Balls - Tooling - One Piece - Construction - Stainless Steel

2 Products in this selection
  • 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.
  • 440C Stainless Steel heat treated to 55-58 RC
  • Precise shoulder base to ball centre line dimension within +/- 0.00508mm.
Additional resources:
Balls Master Catalogue PDF
A more concise listing may be found on the Smallparts store at Balls - Tooling - One Piece - Construction - Stainless Steel. Smallparts promote the most popular MBA products.
Diameter (A) Shank Diameter (B) Base to Centre (C) Shoulder to Centre (D) Shoulder Diameter (E) Base Type Indicative
Image
Diameter (A)
12.700
mm
+/- 0.0051
(0.5 in.)
Shank Diameter (B)
6.350
mm
+/- 0.0051
(0.25 in.)
Base to Centre (C)
7.938
mm

(0.313 in.)
Shoulder to Centre (D)
7.938
mm
Shoulder Diameter (E)
12.446
mm
+/- 0.0051
Base Type
Solid
Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Material: Stainless Steel   
Part Number: BLTO-01270-S440-C1 Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$100.23 AUD
$100.23 AUD
Each
Diameter (A) Shank Diameter (B) Base to Centre (C) Shoulder to Centre (D) Indicative
Image
Diameter (A)
12.700
mm
+/- 0.0051
(0.5 in.)
Shank Diameter (B)
6.350
mm
+/- 0.0051
(0.25 in.)
Base to Centre (C)
7.938
mm

(0.313 in.)
Shoulder to Centre (D)
7.938
mm
Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Material: Stainless Steel    Shoulder Diameter (E): 12.446 mm +/- 0.0051    Base Type: Solid   
Part Number: BLTO-01270-S440-C1 Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$100.23 AUD
$100.23 AUD
Each
View the product page first if you are unsure.
Diameter (A)
12.700
mm
+/- 0.0051
(0.5 in.)
Shank Diameter (B)
6.350
mm
+/- 0.0051
(0.25 in.)
Base to Centre (C)
7.938
mm

(0.313 in.)
Shoulder to Centre (D)
7.938
mm
Shoulder Diameter (E)
12.446
mm
+/- 0.0051
Base Type
Tapped 6-32 UNC
Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Material: Stainless Steel   
Part Number: BLTO-01270-S440-C1-T Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$112.68 AUD
$112.68 AUD
Each
Diameter (A)
12.700
mm
+/- 0.0051
(0.5 in.)
Shank Diameter (B)
6.350
mm
+/- 0.0051
(0.25 in.)
Base to Centre (C)
7.938
mm

(0.313 in.)
Shoulder to Centre (D)
7.938
mm
Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Material: Stainless Steel    Shoulder Diameter (E): 12.446 mm +/- 0.0051    Base Type: Tapped 6-32 UNC   
Part Number: BLTO-01270-S440-C1-T Tooling Balls - 12.7x6.35x7.938 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$112.68 AUD
$112.68 AUD
Each
View the product page first if you are unsure.