Small Parts & Bearings - an MBA company

Inserts Expansion Press In Brass Flanged Categories


Thread Inserts


Inserts - Expansion - Press In - Brass - Flanged
Inserts - Expansion - Press In - Brass - Flanged

Also see combined categories:
All Expansion Inserts

Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.

Material : Brass. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability. Not as strong as wind-in inserts.


Inserts - Expansion - Press In - Brass
Inserts - Expansion - Press In - Brass

Also see combined categories:
All Expansion Inserts

Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.

Material : Brass. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability. Not as strong as wind-in inserts.


Inserts - Expansion - Press In - 303 Stainless - Flanged
Inserts - Expansion - Press In - 303 Stainless - Flanged

Also see combined categories:
All Expansion Inserts

Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.

Material : 303 Stainless Steel. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability but where maximum strength is required other inserts shown in this catalogue should be preferred.


Inserts - Expansion - Press In - 303 Stainless Steel
Inserts - Expansion - Press In - 303 Stainless Steel

Also see combined categories:
All Expansion Inserts

Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.

Material : 303 Stainless Steel. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability but where maximum strength is required other inserts shown in this catalogue should be preferred.


Gears - Spur - 24DP - 20 Degree - Plastic with Insert
Gears - Spur -  24DP - 20 Degree - Plastic with Insert

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 1.058mm (1/24 in.). 20o Pressure Angle. Acetal or Nylon w/ Brass or Stainless Steel Inserts. Clamping or Grub Screw hubs. DP stands for Diametrical Pitch and is an imperial measurement system. Clamping and grub screw type.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 24 Diametrical Pitch. Approx 3.33mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - 24DP - 20 Degree - Brass
Gears - Spur -  24DP - 20 Degree - Brass

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 1.058mm (1/24 in.). 20o Pressure Angle. Acetal or Nylon w/ Brass or Stainless Steel Inserts. Clamping or Grub Screw hubs. DP stands for Diametrical Pitch and is an imperial measurement system. Clamping and grub screw type.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 24 Diametrical Pitch. Approx 3.33mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Bearings - For Pressed Metal Housings
Bearings - For Pressed Metal Housings


Insert bearings with spherical OD for use with pressed metal flanged and pillow block housings.

Grub Screw locking. Preferred misallignment of no more than 2o, but can accommodate up to 6o. Also available with eccentric locking collars on request.

Related Information:


Inserts - Self Tapping - For Wood - Slotted Drive - Short
Inserts - Self Tapping - For Wood - Slotted Drive - Short

Also see combined categories:
All Self Tapping Inserts
All Self Tapping Inserts for Wood

Threaded inserts are screwed into preformed or predrilled holes and cut own threads into the wall of permanent installations.

Brass. Install with a screwdriver. Superior holding power in hard and soft woods, particle board and other wood products. Long pilot assists with straight driving into a drilled hole.


Bearings - Press-Fit - Acetal - SDP
Bearings - Press-Fit - Acetal - SDP

Also see combined categories:
All Press In Bearings

Press fit installation. Do not press bearing against insert. Bearing : PTFE Filled Acetal Self Lubricating / -40 to 150 oC. Carbon steel outer. Self aligning to +/- 5o. Use any shaft material with 0.4 um or finer finish.

Related Information:


Nuts - Hexagonal - Nylon Insert - Brass
Nuts - Hexagonal - Nylon Insert - Brass

Also see combined categories:
All Lock Nuts

Nylon Insert for Locking. Not NylocTM brand.

Note! Thickness (H) and A/F (A) dimensions are usually considered not critical and may vary. If the A and H dimensions are critical for your application please consult us prior to ordering.


Housings - Bearing - Flanged - 2 Bolt Hole - Pressed Metal
Housings - Bearing - Flanged - 2 Bolt Hole - Pressed Metal


Bearings sold separately. Use with steel bearing inserts for pressed metal housings. Larger sizes available on request.

Related Information:


Housings - Bearing - Flanged - 3 Bolt Hole - Pressed Metal
Housings - Bearing - Flanged - 3 Bolt Hole - Pressed Metal


Bearings sold separately. Use with steel bearing inserts for pressed metal housings. Larger sizes available on request.

Related Information:


Universal Joints - Telescoping - Plastic - Brass Spider and Insert
Universal Joints - Telescoping - Plastic - Brass Spider and Insert

Also see combined categories:
All Universal Joints
All Telescoping Universals

Acetal plastic telescoping universal joints with nickle plated brass spiders and bore inserts



Universal Joints - Double Joint - Plastic - Brass Bore Inserts
Universal Joints - Double Joint - Plastic - Brass Bore Inserts

Also see combined categories:
All Universal Joints
All Double Joint Universals

Plain acetal with brass centre, brass bore inserts and grub screw holes



Universal Joints - Single Joint - Plastic - Brass Bore Inserts
Universal Joints - Single Joint - Plastic - Brass Bore Inserts

Also see combined categories:
All Universal Joints
All Single Joint Universals

Plain acetal with brass centre, brass bore inserts and grub screw holes



Gears - Spur - 24DP - 20 Degree - Plastic with No Hub
Gears - Spur -  24DP - 20 Degree - Plastic with No Hub

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 1.058mm (1/24 in.). 20o Pressure Angle. Brass or Stainless Steel Inserts. Clamping or Grub Screw hubs. DP stands for Diametrical Pitch and is an imperial measurement system. Clamping and grub screw type.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 24 Diametrical Pitch. Approx 3.33mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - 24DP - 20 Degree - Plastic - Plain
Gears - Spur -  24DP - 20 Degree - Plastic - Plain

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 1.058mm (1/24 in.). 20o Pressure Angle. Acetal or Nylon w/ Brass or Stainless Steel Inserts. Clamping or Grub Screw hubs. DP stands for Diametrical Pitch and is an imperial measurement system. Clamping and grub screw type.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 24 Diametrical Pitch. Approx 3.33mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Knobs - Wing - Female - Phenolic
Knobs - Wing - Female - Phenolic

Also see combined categories:
All Wing Knobs

Brass threaded insert



Housings - Bearing - Pillow Block - Pressed Metal
Housings - Bearing - Pillow Block - Pressed Metal


Bearings sold separately. Use with steel bearing inserts for pressed metal housings. Larger sizes available on request.

Related Information:


Knobs - Ball - Threaded - Recessed Top
Knobs - Ball - Threaded - Recessed Top

Also see combined categories:
All Female Threaded Ball Knobs

Brass threaded insert. Phenolic.


Knobs - Mushroom Oval - Threaded - Phenolic
Knobs - Mushroom Oval - Threaded - Phenolic

Also see combined categories:
All Mushroom Knobs
All Knobs

Brass threaded insert.


Pulleys - U Groove - Plastic
Pulleys - U Groove - Plastic

Also see combined categories:
All U Groove Bearings and Pulleys

Acetal Body with Brass Insert. Use with O-Rings or Rounthane Belts.

Related Information:


Knobs - Ball - Threaded - Plastic with Knurl
Knobs - Ball - Threaded - Plastic with Knurl

Also see combined categories:
All Female Threaded Ball Knobs

Brass threaded insert. Knurled circumference to assist with grip.


Knobs - Oval Tapered - Press On - Phenolic
Knobs - Oval Tapered - Press On - Phenolic

Also see combined categories:
All Knobs

Press on knobs hold on securely without threads or set screws

Shaft diameter should be +0.000 / - 0.076 mm for best performance. Knob is held in place by a ribbed insert that squeezes onto the shaft. Eliminates machining costs. Knobs will not come off with normal use but can be removed by knocking with a hammer on the underside.


Inserts - Self Tapping - For Plastics - Stainless 303
Inserts - Self Tapping - For Plastics - Stainless 303

Also see combined categories:
All Self Tapping Inserts

Threaded inserts are screwed into preformed or predrilled holes and cut own threads into the wall of permanent installations.

Provides a strong wear and vibration resistant thread. Use of installation tool recommended. Low volumes can be installed by winding in with a bolt through the threaded centre. Large volumes can be installed with hand installation tools (Sold Seperately). Hole sizes are reference only. Can variey on batchs. Optimum hole size is to be determinded through experimentation. A 60o countersink is required for flush mounting. Use with plastics, light metal alloys or hard wood. Made from 303 stainless steel. Quantity orders can also be supplied in Brass or 316 Stainless.

Related Information:


Pulleys - Timing - 2.000mm Pitch - GT2 - 6mm Wide - Plastic - Insert
Pulleys - Timing -  2.000mm Pitch - GT2 - 6mm Wide - Plastic - Insert

Also see combined categories:
All 2mm Pitch Timing Pulleys Through Bore

Timing Pulleys to suit 2mm Pitch GT Timing Belts 6mm Wide. Brass insert.


Related Information:


Pulleys - Timing - 3.000mm Pitch - GT2 - 9mm Wide - Plastic - Insert
Pulleys - Timing -  3.000mm Pitch - GT2 -  9mm Wide - Plastic - Insert

Also see combined categories:
All 3mm Pitch Timing Pulleys Through Bore

Timing Pulleys to suit 2mm Pitch GT Timing Belts 6mm Wide. Brass insert.


Related Information:


Knobs - Ball - Threaded - Thermoplastic
Knobs - Ball - Threaded - Thermoplastic

Also see combined categories:
All Female Threaded Ball Knobs

With moulded plastic threads, or metalic threaded inserts - brass or steel.


Universal Joints - Single Joint - Plastic - Brass Spider
Universal Joints - Single Joint - Plastic - Brass Spider

Also see combined categories:
All Universal Joints
All Single Joint Universals

Plain acetal with brass centre, no bore inserts or grub screw holes



Knobs - Pointer - Skirted
Knobs - Pointer - Skirted

Also see combined categories:
All Pointer Knobs

Grub screw fixing. Suits 6.35mm (1/4 inch) shaft. Brass insert.



Pulleys - Timing - 3.000mm Pitch - HTD - 9mm Wide - Plastic - Insert
Pulleys - Timing -  3.000mm Pitch - HTD - 9mm Wide - Plastic - Insert

Also see combined categories:
All 3mm Pitch Timing Pulleys Through Bore

Timing Pulleys to suit HTD 3.000mm Pitch Timing Belts. Suits belts 9.0 to 9.6mm wide. Brass insert.


Related Information:


Pulleys - Timing - 5.080mm Pitch - XL - 9.5mm Wide - Plastic - Insert
Pulleys - Timing -  5.080mm Pitch - XL -  9.5mm Wide - Plastic - Insert

Also see combined categories:
All XL 5.08mm Pitch Timing Pulleys Through Bore

Timing Pulleys to suit XL Series 5.080mm Pitch Timing Belts. Suits belts 9.0 to 9.6mm wide. Brass insert.


Related Information:


Pulleys - Timing - 2.032mm Pitch - MXL - 6.4mm Wide - Plastic - Insert
Pulleys - Timing -  2.032mm Pitch - MXL - 6.4mm Wide - Plastic - Insert

Also see combined categories:
All MXL 2.032mm Pitch Timing Pulleys Through Bore

Timing Pulleys to suit MXL 2.032mm Pitch Timing Belts. Suits belts 6.0 to 6.4mm wide. Moulded single or double flange. With brass insert.

2.032mm metric is equivalent to 0.080 pitch imperial.

Related Information:


Knobs - Pointer - Aluminium and Plastic
Knobs - Pointer - Aluminium and Plastic

Also see combined categories:
All Pointer Knobs

Grub screw fixing. Suits 6.35mm (1/4 inch) shaft. Brass Insert. White Pointer.



Knobs - Ball - Threaded - Plastic with Groove
Knobs - Ball - Threaded - Plastic with Groove

Also see combined categories:
All Female Threaded Ball Knobs

Black plastic ball knobs with a groove around the circumference. Brass threaded insert.


Inserts - Rivet Nuts - Klik - Threadsert
Inserts - Rivet Nuts - Klik - Threadsert

Also see combined categories:
All Klik Rivet Nuts

Individual Inserts for use with the Klik Thread Setter Tool

These threaded inserts can be used in blind or through hole applications. Can be used in almost any material over 2.38mm thick. As the insert is installed the threaded section is completely swaged into the sleeve portion of the hole, permitting them to be used with grade 8 screws. The installation hole size is determined by the density of the parent material. Can be pressed or otherwise compressed manually with a hammer for quick installation jobs in sheet material. Tools are available for assembly in blind holes or production assembly. Email us for a price on tools.


Knobs - Ball - Threaded - Lateral Grooved
Knobs - Ball - Threaded - Lateral Grooved

Also see combined categories:
All Female Threaded Ball Knobs

Moulded platic control ball handles for machine tools, jigs, fixtures etc.

Stylish grooves to assist with grip. Brass threaded insert.


Cross Blocks - Heavy Duty - Two Knobs
Cross Blocks - Heavy Duty - Two Knobs

Also see combined categories:
All Cross Blocks
All Swivel Joints and Cross Blocks

Used for connecting two round rods at 90o.

Adjustments can be made by loosening the hand knob. Plastic knobs function independently for precise adjustment. Knobs have brass insert for easy turning and to prevent galling. Stainlesss steel eye bolt firmly clamps around adjusting rod for superior holding strength. Eyelet does not mar rod when tightened, resulting in smooth rod surface that easily slides through the cross block. No set screws required. Plastic or Stainless bodies accept 12.70 or 15.88mm rods.


Oil Seals - Fluoroelastomer Rubber
Oil Seals - Fluoroelastomer Rubber

Also see combined categories:
All Oil Seals

DIN 3760 - High Temperature and chemical resistance.

Operating Temp. Range: -20oC to +240oC. The rubber elastomer outer covering tolerates thermal expansion as well as roughness in the housing bore. Suitable for synthetic and hydraulic fluids, strong acids, steam, many chemicals and many alkalis.


Gears - Spur - 64DP - Plastic with Insert
Gears - Spur -  64DP - Plastic with Insert

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.397mm (1/64 in.). 20o Pressure Angle. Acetal. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 64 Diametrical Pitch. Approx 1.25mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - 72DP - Plastic with Insert
Gears - Spur -  72DP - Plastic with Insert

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.353mm (1/72 in.). 20o Pressure Angle. Acetal. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 72 Diametrical Pitch. Approx 1.11mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Cross Blocks - Heavy Duty - One Knob One Nut
Cross Blocks - Heavy Duty - One Knob One Nut

Also see combined categories:
All Cross Blocks
All Swivel Joints and Cross Blocks

Used for connecting two round rods at 90o.

Adjustments can be made by loosening the hand knob. Plastic knobs function independently for precise adjustment. Knobs have brass insert for easy turning and to prevent galling. Stainlesss steel eye bolt firmly clamps around adjusting rod for superior holding strength. Eyelet does not mar rod when tightened, resulting in smooth rod surface that easily slides through the cross block. No set screws required. Plastic or Stainless bodies accept 12.70 or 15.88mm rods.


Mounts - Vibration - Isolation - Compression - Stainless Steel
Mounts - Vibration - Isolation - Compression - Stainless Steel


Compression shear mounts for harsh environments.

Excellent protection against shock vibration and noise4 in compression and shear applications. Developed especially for applications in harsh environments in food and pharmaceutical industries. High dampening characteristics. Stainless top plate is domed to guard against oil contamination. Low profile. Compact design. Elastomer insert is made from highly chemical resistant nitrile with good deflection properties. Concentric rings in the base of the insert firmly anchor machine to the floor.


Gears - Spur - 32DP - 20 Degree - Plastic with Insert
Gears - Spur -  32DP - 20 Degree - Plastic with Insert

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.794mm (1/32 in.). 20o Pressure Angle. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 32 Diametrical Pitch. Approx 2.49mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - 48DP - 20 Degree - Plastic with Insert
Gears - Spur -  48DP - 20 Degree - Plastic with Insert

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.529mm (1/48 in.). 20o Pressure Angle. Acetal and Nylon. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 48 Diametrical Pitch. Approx 1.66mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Couplings - Spider Type C - Complete
Couplings - Spider Type C - Complete

Also see combined categories:
All Insert and Jaw Type Couplings

Miniature aluminium curved jaw flexible couplings. 2 to 160 Nm. Match only hubs and spiders from listings SPIDER TYPE C. Inserts are held between the jaws of two hubs.

Discs (either red as standard with blue or white optional) are available to purchase separately. Flexible couplings transmit torque and rotational angle while absorbing misalignment. When the misalignment exceeds allowable values, vibration may result or the life of the coupling may become shortened. Zero backlash in low torque application, made capable by having the hubs pressed in a spacer. Can be used as a flexible coupling in a high torque application. Polyurethane spider.

Related Information:


Inserts - Self Tapping - For Wood - Hex Drive - Flanged
Inserts - Self Tapping - For Wood - Hex Drive - Flanged

Also see combined categories:
All Self Tapping Inserts
All Self Tapping Inserts for Wood

Threaded inserts are screwed into preformed or predrilled holes and cut own threads into the wall of permanent installations.

Die Cast Zinc Alloy. Knife thread cuts easily into a predrilled hole. Inexpensive inserts for use in ready to assemble furniture, drawer pulls etc. Installs with a hex wrench.


Inserts - Thread Repair - Keylocking
Inserts - Thread Repair - Keylocking

Also see combined categories:
All Keylocking Inserts and Kits

Steel or 303 Stainless Steel as indicated in the tables. Also known as keenserts.

Steel or 303 Stainless Steel as indicated in the tables. Maximum strength and reliability. Positive mechanical lock against rotation:. The insert kees are driven down into the tapped threads of the parent material during installation to securely lock the insert against rotation. Inserts with internal thread lock are designed to securely lock a bolt when it is entered into the insert only a few turns.

Related Information:


Inserts - Tapered Fit - Finserts - For Wood and Plastics
Inserts - Tapered Fit - Finserts - For Wood and Plastics


Finserts provide strong metal threads in wood, composition board and thermoplastics such as nylon, polystyrene, cellulose acetate and cycolac. By distributing stress over a greater surface area, firm permanent fastening is ensured.

The fins give higher holding strength in softer materials. Available with one, two or three fins for varying material thickness. Finserts prevent splintering, splitting and thread pullout.


Locknuts - Stainless Insert
Locknuts - Stainless Insert


Simplify the assembly and reduce costs involved in securing ball bearings. One piece item where the locking function is performed by a spring peened into the top of the nut.

Nut Body: Low Carbon Steel. Locking Insert: Stainless Steel Hardness HB 201-269. The spring bears on the flank of the shaft thread with force (P) generating reaction force (Pí) in the screw threads with a resulting high friction torque (prevailing torque). Unique slim body design. Secure locking without keyway and tab washer. One piece construction reduces stock and allows simpler, quicker assembly. Simple infinite adjustment. Re-usable up to 100 times. Resists vibration and shock. Equally effective for rotation in either direction even with rapid reversals.

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Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 124371 products in 2774 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.

Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 124371 products in 2774 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.