Balls - Inspection

11 Products in this selection
  • Premium short shank inspection balls are used as reference points for inspection applications in conjunction with coordinate measuring machines to accurately measure the workpiece.
  • Made from case hardened 8620 steel
  • Concentricity of ball to shank is 0.00254mm (0.0001 in.) TIR
Additional resources:
Balls Master Catalogue PDF
A more concise listing may be found on the Smallparts store at Balls - Inspection. Smallparts promote the most popular MBA products.
Diameter (A) Shank Diameter (B) Base to Centre (C) Shoulder to Centre (D) Thread Shoulder Diameter Indicative
Image
Diameter (A)
6.350
mm
+ 0.0 / - 0.0051
(0.25 in.)
Shank Diameter (B)
3.167
mm
+ 0.0 / - 0.0051
(0.125 in.)
Base to Centre (C)
14.732
mm
+/- 0.0051
(0.58 in.)
Shoulder to Centre (D)
5.080
mm
Thread
Solid
Shoulder Diameter
6.350
mm
1069951 | BIN-00635-HS-SOL (25 Pcs) --- Inspection Balls - 6.35x3.167x14.732 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-00635-HS-SOL (25 Pcs) Inspection Balls - 6.35x3.167x14.732 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,530.77 AUD
$7,530.77 AUD
Per 25
Diameter (A) Shank Diameter (B) Base to Centre (C) Shoulder to Centre (D) Indicative
Image
Diameter (A)
6.350
mm
+ 0.0 / - 0.0051
(0.25 in.)
Shank Diameter (B)
3.167
mm
+ 0.0 / - 0.0051
(0.125 in.)
Base to Centre (C)
14.732
mm
+/- 0.0051
(0.58 in.)
Shoulder to Centre (D)
5.080
mm
1069951 | BIN-00635-HS-SOL (25 Pcs) --- Inspection Balls - 6.35x3.167x14.732 mm - Carbon Steel
Material: Carbon Steel    Thread: Solid    Shoulder Diameter: 6.350 mm   
Part Number: BIN-00635-HS-SOL (25 Pcs) Inspection Balls - 6.35x3.167x14.732 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,530.77 AUD
$7,530.77 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Shank Diameter (B)
4.755
mm
+ 0.0 / - 0.0051
(0.187 in.)
Base to Centre (C)
18.796
mm
+/- 0.0051
(0.74 in.)
Shoulder to Centre (D)
7.620
mm
Thread
Solid
Shoulder Diameter
9.525
mm
1084810 | BIN-00953-HS-SOL (25 Pcs) --- Inspection Balls - 9.525x4.755x18.796 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-00953-HS-SOL (25 Pcs) Inspection Balls - 9.525x4.755x18.796 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$4,975.77 AUD
$4,975.77 AUD
Per 25
Diameter (A)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Shank Diameter (B)
4.755
mm
+ 0.0 / - 0.0051
(0.187 in.)
Base to Centre (C)
18.796
mm
+/- 0.0051
(0.74 in.)
Shoulder to Centre (D)
7.620
mm
1084810 | BIN-00953-HS-SOL (25 Pcs) --- Inspection Balls - 9.525x4.755x18.796 mm - Carbon Steel
Material: Carbon Steel    Thread: Solid    Shoulder Diameter: 9.525 mm   
Part Number: BIN-00953-HS-SOL (25 Pcs) Inspection Balls - 9.525x4.755x18.796 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$4,975.77 AUD
$4,975.77 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Shank Diameter (B)
7.938
mm
+ 0.0 / - 0.0051
(0.313 in.)
Base to Centre (C)
18.796
mm
+/- 0.0051
(0.74 in.)
Shoulder to Centre (D)
7.620
mm
Thread
8-32 UNC (4.166mm)
Shoulder Diameter
12.700
mm
1084889 | BIN-00953-HS --- Inspection Balls - 9.525x7.938x18.796 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-00953-HS Inspection Balls - 9.525x7.938x18.796 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$340.59 AUD
$340.59 AUD
Each
Diameter (A)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Shank Diameter (B)
7.938
mm
+ 0.0 / - 0.0051
(0.313 in.)
Base to Centre (C)
18.796
mm
+/- 0.0051
(0.74 in.)
Shoulder to Centre (D)
7.620
mm
1084889 | BIN-00953-HS --- Inspection Balls - 9.525x7.938x18.796 mm - Carbon Steel
Material: Carbon Steel    Thread: 8-32 UNC (4.166mm)    Shoulder Diameter: 12.700 mm   
Part Number: BIN-00953-HS Inspection Balls - 9.525x7.938x18.796 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$340.59 AUD
$340.59 AUD
Each
View the product page first if you are unsure.
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
6.342
mm
+ 0.0 / - 0.0051
(0.25 in.)
Base to Centre (C)
16.002
mm
+/- 0.0051
(0.63 in.)
Shoulder to Centre (D)
7.938
mm
Thread
6-32 UNC (3.500mm)
Shoulder Diameter
12.700
mm
1100243 | BIN-01270-HS-A (25 Pcs) --- Inspection Balls - 12.7x6.342x16.002 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-01270-HS-A (25 Pcs) Inspection Balls - 12.7x6.342x16.002 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,769.77 AUD
$7,769.77 AUD
Per 25
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
6.342
mm
+ 0.0 / - 0.0051
(0.25 in.)
Base to Centre (C)
16.002
mm
+/- 0.0051
(0.63 in.)
Shoulder to Centre (D)
7.938
mm
1100243 | BIN-01270-HS-A (25 Pcs) --- Inspection Balls - 12.7x6.342x16.002 mm - Carbon Steel
Material: Carbon Steel    Thread: 6-32 UNC (3.500mm)    Shoulder Diameter: 12.700 mm   
Part Number: BIN-01270-HS-A (25 Pcs) Inspection Balls - 12.7x6.342x16.002 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,769.77 AUD
$7,769.77 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
6.342
mm
+ 0.0 / - 0.0051
(0.25 in.)
Base to Centre (C)
22.352
mm
+/- 0.0051
(0.88 in.)
Shoulder to Centre (D)
12.700
mm
Thread
6-32 UNC (3.500mm)
Shoulder Diameter
12.700
mm
1100244 | BIN-01270-HS-B (25 Pcs) --- Inspection Balls - 12.7x6.342x22.352 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-01270-HS-B (25 Pcs) Inspection Balls - 12.7x6.342x22.352 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,626.95 AUD
$7,626.95 AUD
Per 25
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
6.342
mm
+ 0.0 / - 0.0051
(0.25 in.)
Base to Centre (C)
22.352
mm
+/- 0.0051
(0.88 in.)
Shoulder to Centre (D)
12.700
mm
1100244 | BIN-01270-HS-B (25 Pcs) --- Inspection Balls - 12.7x6.342x22.352 mm - Carbon Steel
Material: Carbon Steel    Thread: 6-32 UNC (3.500mm)    Shoulder Diameter: 12.700 mm   
Part Number: BIN-01270-HS-B (25 Pcs) Inspection Balls - 12.7x6.342x22.352 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,626.95 AUD
$7,626.95 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
6.342
mm
+ 0.0 / - 0.0051
(0.25 in.)
Base to Centre (C)
23.622
mm
+/- 0.0051
(0.93 in.)
Shoulder to Centre (D)
10.160
mm
Thread
6-32 UNC (3.500mm)
Shoulder Diameter
12.700
mm
1100245 | BIN-01270-HS-C (25 Pcs) --- Inspection Balls - 12.7x6.342x23.622 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-01270-HS-C (25 Pcs) Inspection Balls - 12.7x6.342x23.622 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$5,474.68 AUD
$5,474.68 AUD
Per 25
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
6.342
mm
+ 0.0 / - 0.0051
(0.25 in.)
Base to Centre (C)
23.622
mm
+/- 0.0051
(0.93 in.)
Shoulder to Centre (D)
10.160
mm
1100245 | BIN-01270-HS-C (25 Pcs) --- Inspection Balls - 12.7x6.342x23.622 mm - Carbon Steel
Material: Carbon Steel    Thread: 6-32 UNC (3.500mm)    Shoulder Diameter: 12.700 mm   
Part Number: BIN-01270-HS-C (25 Pcs) Inspection Balls - 12.7x6.342x23.622 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$5,474.68 AUD
$5,474.68 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Base to Centre (C)
33.274
mm
+/- 0.0051
(1.31 in.)
Shoulder to Centre (D)
9.525
mm
Thread
10-24 UNC (4.762mm)
Shoulder Diameter
15.875
mm
1100462 | BIN-01270-HS-D (25 Pcs) --- Inspection Balls - 12.7x9.525x33.274 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-01270-HS-D (25 Pcs) Inspection Balls - 12.7x9.525x33.274 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,646.05 AUD
$7,646.05 AUD
Per 25
Diameter (A)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Shank Diameter (B)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Base to Centre (C)
33.274
mm
+/- 0.0051
(1.31 in.)
Shoulder to Centre (D)
9.525
mm
1100462 | BIN-01270-HS-D (25 Pcs) --- Inspection Balls - 12.7x9.525x33.274 mm - Carbon Steel
Material: Carbon Steel    Thread: 10-24 UNC (4.762mm)    Shoulder Diameter: 15.875 mm   
Part Number: BIN-01270-HS-D (25 Pcs) Inspection Balls - 12.7x9.525x33.274 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$7,646.05 AUD
$7,646.05 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
15.875
mm
+ 0.0 / - 0.0051
(0.625 in.)
Shank Diameter (B)
7.930
mm
+ 0.0 / - 0.0051
(0.312 in.)
Base to Centre (C)
27.432
mm
+/- 0.0051
(1.08 in.)
Shoulder to Centre (D)
11.430
mm
Thread
8-32 UNC (4.166mm)
Shoulder Diameter
15.875
mm
1109410 | BIN-01588-HS-A (25 Pcs) --- Inspection Balls - 15.875x7.93x27.432 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-01588-HS-A (25 Pcs) Inspection Balls - 15.875x7.93x27.432 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$8,041.77 AUD
$8,041.77 AUD
Per 25
Diameter (A)
15.875
mm
+ 0.0 / - 0.0051
(0.625 in.)
Shank Diameter (B)
7.930
mm
+ 0.0 / - 0.0051
(0.312 in.)
Base to Centre (C)
27.432
mm
+/- 0.0051
(1.08 in.)
Shoulder to Centre (D)
11.430
mm
1109410 | BIN-01588-HS-A (25 Pcs) --- Inspection Balls - 15.875x7.93x27.432 mm - Carbon Steel
Material: Carbon Steel    Thread: 8-32 UNC (4.166mm)    Shoulder Diameter: 15.875 mm   
Part Number: BIN-01588-HS-A (25 Pcs) Inspection Balls - 15.875x7.93x27.432 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$8,041.77 AUD
$8,041.77 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
15.875
mm
+ 0.0 / - 0.0051
(0.625 in.)
Shank Diameter (B)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Base to Centre (C)
36.068
mm
+/- 0.0051
(1.42 in.)
Shoulder to Centre (D)
11.430
mm
Thread
10-24 UNC (4.762mm)
Shoulder Diameter
15.875
mm
1109470 | BIN-01588-HS-B (25 Pcs) --- Inspection Balls - 15.875x9.525x36.068 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-01588-HS-B (25 Pcs) Inspection Balls - 15.875x9.525x36.068 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$5,731.32 AUD
$5,731.32 AUD
Per 25
Diameter (A)
15.875
mm
+ 0.0 / - 0.0051
(0.625 in.)
Shank Diameter (B)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Base to Centre (C)
36.068
mm
+/- 0.0051
(1.42 in.)
Shoulder to Centre (D)
11.430
mm
1109470 | BIN-01588-HS-B (25 Pcs) --- Inspection Balls - 15.875x9.525x36.068 mm - Carbon Steel
Material: Carbon Steel    Thread: 10-24 UNC (4.762mm)    Shoulder Diameter: 15.875 mm   
Part Number: BIN-01588-HS-B (25 Pcs) Inspection Balls - 15.875x9.525x36.068 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$5,731.32 AUD
$5,731.32 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
19.050
mm
+ 0.0 / - 0.0051
(0.75 in.)
Shank Diameter (B)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Base to Centre (C)
38.862
mm
+/- 0.0051
(1.53 in.)
Shoulder to Centre (D)
14.288
mm
Thread
10-24 UNC (4.762mm)
Shoulder Diameter
19.050
mm
1118862 | BIN-01905-HS (25 Pcs) --- Inspection Balls - 19.05x9.525x38.862 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-01905-HS (25 Pcs) Inspection Balls - 19.05x9.525x38.862 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$9,002.95 AUD
$9,002.95 AUD
Per 25
Diameter (A)
19.050
mm
+ 0.0 / - 0.0051
(0.75 in.)
Shank Diameter (B)
9.525
mm
+ 0.0 / - 0.0051
(0.375 in.)
Base to Centre (C)
38.862
mm
+/- 0.0051
(1.53 in.)
Shoulder to Centre (D)
14.288
mm
1118862 | BIN-01905-HS (25 Pcs) --- Inspection Balls - 19.05x9.525x38.862 mm - Carbon Steel
Material: Carbon Steel    Thread: 10-24 UNC (4.762mm)    Shoulder Diameter: 19.050 mm   
Part Number: BIN-01905-HS (25 Pcs) Inspection Balls - 19.05x9.525x38.862 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$9,002.95 AUD
$9,002.95 AUD
Per 25
View the product page first if you are unsure.
Diameter (A)
25.400
mm
+ 0.0 / - 0.0051
(1 in.)
Shank Diameter (B)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Base to Centre (C)
41.656
mm
+/- 0.0051
(1.64 in.)
Shoulder to Centre (D)
17.780
mm
Thread
10-24 UNC (4.762mm)
Shoulder Diameter
25.400
mm
1133303 | BIN-02540-HS --- Inspection Balls - 25.4x12.7x41.656 mm - Carbon Steel
Material: Carbon Steel   
Part Number: BIN-02540-HS Inspection Balls - 25.4x12.7x41.656 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$373.05 AUD
$373.05 AUD
Each
Diameter (A)
25.400
mm
+ 0.0 / - 0.0051
(1 in.)
Shank Diameter (B)
12.700
mm
+ 0.0 / - 0.0051
(0.5 in.)
Base to Centre (C)
41.656
mm
+/- 0.0051
(1.64 in.)
Shoulder to Centre (D)
17.780
mm
1133303 | BIN-02540-HS --- Inspection Balls - 25.4x12.7x41.656 mm - Carbon Steel
Material: Carbon Steel    Thread: 10-24 UNC (4.762mm)    Shoulder Diameter: 25.400 mm   
Part Number: BIN-02540-HS Inspection Balls - 25.4x12.7x41.656 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
$373.05 AUD
$373.05 AUD
Each
View the product page first if you are unsure.