Balls - Tooling - Two Piece - Construction - Steel
- from Small Parts and Bearings

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Product features, properties and information

High quality tooling balls provide a precise reference point for critical machining operations.
Ball and shank are concentric within 5 microns (0.0002 in.) TIR.
1144 steel heat treated to 53-57 RC
Precise shoulder base to ball centre line dimension within +/- 0.00508mm.
Weld between ball and shank is designed so the ball will fall off if subject to unusually heavy lateral force, preventing set up and inspection errors that may occur because of a bent shaft.
Construction balls can be pulled into a hole or bushing from below without applying pressure on the ball by using a cap screw in the internally tapped shank.

All dimensions on this website are shown in mm unless otherwise indicated.
Click on the linked part numbers in the table below for more details.

Diagram - Balls - Tooling - Two Piece - Construction - Steel

Stock Items Short Deliveries Entire Range

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Diameter (A): 12.700 mm

Part Number: BLTO-01270-CS-C2-A

Photo is indicative only.

Retail Price: A$45.49
Online Price: A$38.35

About 28 to 42 days after ordered

Part Number
BLTO-01270-CS-C2-A

Balls - Tooling - Two Piece - Construction - Steel
Diameter (A): 12.700 mm (+/- 0.0051) (0.500 in.)
Shank Diameter (B): 6.350 mm (+/- 0.0051) (0.250 in.)
Base to Centre (C): 15.875 mm (0.625 in.)
Shoulder to Centre (D): 7.938 mm (0.313 in.)
Shoulder Diameter (E): 6-32 UNC x 6.35 mm (0.236 in.)
Material: Carbon Steel

Online Price A$38.35 incl. GST Each
(Not applicable to telephone or in shop purchases)

(GST tax will only apply if the order is delivered to an Australian address)

Pricing is in AUD ($). Change pricing using the selector at the top right of any page.

Part Number: BLTO-01270-CS-C2-B

Photo is indicative only.

Retail Price: $45.38
Online Price: $38.25

About 28 to 42 days after ordered

Part Number
BLTO-01270-CS-C2-B

Balls - Tooling - Two Piece - Construction - Steel
Diameter (A): 12.700 mm (+/- 0.0051) (0.500 in.)
Shank Diameter (B): 6.350 mm (+/- 0.0051) (0.250 in.)
Base to Centre (C): 22.225 mm (0.875 in.)
Shoulder to Centre (D): 12.700 mm (0.500 in.)
Shoulder Diameter (E): 6-32 UNC x 6.35 mm (0.236 in.)
Material: Carbon Steel

Online Price $38.25 incl. GST Each
(Not applicable to telephone or in shop purchases)

(GST tax will only apply if the order is delivered to an Australian address)

Pricing is in AUD ($). Change pricing using the selector at the top right of any page.

Part Number: BLTO-01270-CS-C2-C

Photo is indicative only.

Retail Price: $51.76
Online Price: $44.05

About 28 to 42 days after ordered

Part Number
BLTO-01270-CS-C2-C

Balls - Tooling - Two Piece - Construction - Steel
Diameter (A): 12.700 mm (+/- 0.0051) (0.500 in.)
Shank Diameter (B): 6.350 mm (+/- 0.0051) (0.250 in.)
Base to Centre (C): 23.876 mm (0.940 in.)
Shoulder to Centre (D): 12.700 mm (0.500 in.)
Shoulder Diameter (E): 6-32 UNC x 7.93 mm (0.236 in.)
Material: Carbon Steel

Online Price $44.05 incl. GST Each
(Not applicable to telephone or in shop purchases)

(GST tax will only apply if the order is delivered to an Australian address)

Pricing is in AUD ($). Change pricing using the selector at the top right of any page.

Part Number: BLTO-01270-CS-C2-D

Photo is indicative only.

Retail Price: $44.61
Online Price: $37.55

About 28 to 42 days after ordered

Part Number
BLTO-01270-CS-C2-D

Balls - Tooling - Two Piece - Construction - Steel
Diameter (A): 12.700 mm (+/- 0.0051) (0.500 in.)
Shank Diameter (B): 7.938 mm (+/- 0.0051) (0.313 in.)
Base to Centre (C): 23.876 mm (0.940 in.)
Shoulder to Centre (D): 12.700 mm (0.500 in.)
Shoulder Diameter (E): 6-32 UNC x 7.93 mm (0.236 in.)
Material: Carbon Steel