Collection: Balls - Tooling - Two Piece

Balls -> Tooling -> Two Piece

There are 3 products in the sub-categories of Balls - Tooling - Two Piece. Browse the Balls - Tooling - Two Piece products table. To narrow down the selection, please choose a sub-category from the links below.

Category Details

This category includes various types of tooling balls.
  • 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.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Balls - Tooling - Two Piece category on the MBA Minibearings main store.
Diameter (A) Shank Diameter (B) Base to Centre (C) Shoulder to Centre (D) Shoulder Diameter (E) Base Type Indicative
Image
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece - Press Fit
Part Number: BLTO-00635-CS-S2P (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
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)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece - Press Fit
Part Number: BLTO-00635-CS-S2P (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece - Slip Fit
Part Number: BLTO-00635-CS-S2 (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece - Slip Fit
Part Number: BLTO-00635-CS-S2 (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
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)
15.875
mm

(Equiv. 0.625 in.)
Shoulder to Centre (D)
7.938
mm
Base Type
6-32 UNC x 6.35
Tooling Balls - 12.7x6.35x15.875 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece - Construction
Part Number: BLTO-01270-CS-C2-A (Each)
Tooling Balls - 12.7x6.35x15.875 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $145.68 AUD
Regular price Sale price $145.68 AUD
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)
15.875
mm

(Equiv. 0.625 in.)
Shoulder to Centre (D)
7.938
mm
Tooling Balls - 12.7x6.35x15.875 mm - Carbon Steel
Material: Carbon Steel    Base Type: 6-32 UNC x 6.35   
Category: Balls - Tooling - Two Piece - Construction
Part Number: BLTO-01270-CS-C2-A (Each)
Tooling Balls - 12.7x6.35x15.875 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $145.68 AUD
Regular price Sale price $145.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.