Collection: Balls - Tooling - One Piece - Construction - Steel

Balls -> Tooling -> One Piece -> Construction -> Steel

There are 4 products in the sub-categories of Balls - Tooling - One Piece - Construction - Steel. Browse the Balls - Tooling - One Piece - Construction - Steel products table.

Category Details

A selection of Steel Construction One Piece Tooling Balls. 1144 steel heat treated to 53-57 RC

High quality tooling balls provide a precise reference point for critical machining operations.
Tooling balls, also known as tooling spheres or precision spheres, are precision components used in fixture design, tooling setup, and alignment applications.
Tooling balls are made of hardened steel or other materials with high wear resistance and precision-ground surfaces.
Precise shoulder base to ball centre line dimension within +/- 0.00508mm.
Ball and shank are concentric within 5 microns (0.0002 in.) TIR.

Miniature Bearings Australia - MBA Minibearings

Additional resources:

Balls Master Catalogue PDF

A more concise listing may be found in the Balls - Tooling - One Piece - Construction - Steel category on the Small Parts & Bearings online store.

Diameter (A)	Shank Diameter (B)	Base to Centre (C)	Shoulder to Centre (D)	Shoulder Diameter (E)	Base Type
Diameter (A) 12.000 mm _{+/- 0.0051} (Equiv. 0.472 in.)	Shank Diameter (B) 6.000 mm _{+/- 0.0051} (Equiv. 0.236 in.)	Base to Centre (C) 22.000 mm (Equiv. 0.866 in.)	Shoulder to Centre (D) 12.000 mm	Shoulder Diameter (E) 12.500 mm +/- 0.0051	Base Type Solid
Material: Carbon Steel
Part Number: BLTO-01200-CS-C1 Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $98.95 AUD Regular price Sale price $98.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Diameter (A)	Shank Diameter (B)	Base to Centre (C)	Shoulder to Centre (D)	Indicative Image
Diameter (A) 12.000 mm _{+/- 0.0051} (Equiv. 0.472 in.)	Shank Diameter (B) 6.000 mm _{+/- 0.0051} (Equiv. 0.236 in.)	Base to Centre (C) 22.000 mm (Equiv. 0.866 in.)	Shoulder to Centre (D) 12.000 mm
Material: Carbon Steel Shoulder Diameter (E): 12.500 mm +/- 0.0051 Base Type: Solid
Part Number: BLTO-01200-CS-C1 Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $98.95 AUD Regular price Sale price $98.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
BLTO-01200-CS-C1 --- Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball BLTO-01200-CS-C1 --- Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball Regular price $98.95 AUD Regular price Sale price $98.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Diameter (A) 12.000 mm _{+/- 0.0051} (Equiv. 0.472 in.)	Shank Diameter (B) 6.000 mm _{+/- 0.0051} (Equiv. 0.236 in.)	Base to Centre (C) 22.000 mm (Equiv. 0.866 in.)	Shoulder to Centre (D) 12.000 mm	Shoulder Diameter (E) 12.500 mm +/- 0.0051	Base Type Tapped 6-32UNC
Material: Carbon Steel
Part Number: BLTO-01200-CS-C1-T Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $98.59 AUD Regular price ~~$118.31 AUD~~ Sale price $98.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Diameter (A) 12.000 mm _{+/- 0.0051} (Equiv. 0.472 in.)	Shank Diameter (B) 6.000 mm _{+/- 0.0051} (Equiv. 0.236 in.)	Base to Centre (C) 22.000 mm (Equiv. 0.866 in.)	Shoulder to Centre (D) 12.000 mm
Material: Carbon Steel Shoulder Diameter (E): 12.500 mm +/- 0.0051 Base Type: Tapped 6-32UNC
Part Number: BLTO-01200-CS-C1-T Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $98.59 AUD Regular price ~~$118.31 AUD~~ Sale price $98.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
BLTO-01200-CS-C1-T --- Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball Sale BLTO-01200-CS-C1-T --- Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball Regular price $98.59 AUD Regular price ~~$118.31 AUD~~ Sale price $98.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Diameter (A) 12.700 mm _{+/- 0.0051} (Equiv. 0.5 in.)	Shank Diameter (B) 6.350 mm _{+/- 0.0051} (Equiv. 0.25 in.)	Base to Centre (C) 7.938 mm (Equiv. 0.313 in.)	Shoulder to Centre (D) 7.938 mm	Shoulder Diameter (E) 12.446 mm +/- 0.0051	Base Type Solid
Material: Carbon Steel
Part Number: BLTO-01270-CS-C1 Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $63.68 AUD Regular price ~~$76.42 AUD~~ Sale price $63.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Diameter (A) 12.700 mm _{+/- 0.0051} (Equiv. 0.5 in.)	Shank Diameter (B) 6.350 mm _{+/- 0.0051} (Equiv. 0.25 in.)	Base to Centre (C) 7.938 mm (Equiv. 0.313 in.)	Shoulder to Centre (D) 7.938 mm
Material: Carbon Steel Shoulder Diameter (E): 12.446 mm +/- 0.0051 Base Type: Solid
Part Number: BLTO-01270-CS-C1 Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $63.68 AUD Regular price ~~$76.42 AUD~~ Sale price $63.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
BLTO-01270-CS-C1 --- Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Sale BLTO-01270-CS-C1 --- Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Regular price $63.68 AUD Regular price ~~$76.42 AUD~~ Sale price $63.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Diameter (A) 12.700 mm _{+/- 0.0051} (Equiv. 0.5 in.)	Shank Diameter (B) 6.350 mm _{+/- 0.0051} (Equiv. 0.25 in.)	Base to Centre (C) 7.938 mm (Equiv. 0.313 in.)	Shoulder to Centre (D) 7.938 mm	Shoulder Diameter (E) 12.446 mm +/- 0.0051	Base Type Tapped 6-32UNC
Material: Carbon Steel
Part Number: BLTO-01270-CS-C1-T Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $74.50 AUD Regular price ~~$89.40 AUD~~ Sale price $74.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Diameter (A) 12.700 mm _{+/- 0.0051} (Equiv. 0.5 in.)	Shank Diameter (B) 6.350 mm _{+/- 0.0051} (Equiv. 0.25 in.)	Base to Centre (C) 7.938 mm (Equiv. 0.313 in.)	Shoulder to Centre (D) 7.938 mm
Material: Carbon Steel Shoulder Diameter (E): 12.446 mm +/- 0.0051 Base Type: Tapped 6-32UNC
Part Number: BLTO-01270-CS-C1-T Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Out of Stock \| Backorder Now \| Orders can be expected around Thu, Oct 23, 2025 Regular price $74.50 AUD Regular price ~~$89.40 AUD~~ Sale price $74.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
BLTO-01270-CS-C1-T --- Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Sale BLTO-01270-CS-C1-T --- Tooling Balls - 12.7x6.35x7.938 mm One Piece - Carbon Steel Ball Regular price $74.50 AUD Regular price ~~$89.40 AUD~~ Sale price $74.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale