Inspection Balls
inch - short shank
20530 Location Gauges - Tapped Hole
imperial, material: Steel
Alternative products you may wish to consider
Type
UNF
d1
tol. 3A
6-40
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
1/4"
l3
0.38
Weight
g
4.5
£ 260.50 per unit (click for quantity discounts)
Type
UNF
d1
tol. 3A
10-32
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
1/4"
l3
0.38
Weight
g
4.5
£ 242.50 per unit (click for quantity discounts)
Type
UNF
d1
tol. 3A
1/4"-28
d2
3/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
9.1
£ 242.50 per unit (click for quantity discounts)
Type
UNF
d1
tol. 3A
5/16"-24
d2
1/2"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
13.6
£ 242.50 per unit (click for quantity discounts)
Type
UNF
d1
tol. 3A
3/8"-24
d2
1/2"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
13.6
£ 242.50 per unit (click for quantity discounts)
Type
UNF
d1
tol. 3A
7/16"-20
d2
7/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
18.1
£ 242.50 per unit (click for quantity discounts)
Type
UNF
d1
tol. 3A
1/2"-20
d2
7/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
27.2
£ 242.50 per unit (click for quantity discounts)
Type
UNF
d1
tol. 3A
5/8"-18
d2
7/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
27.2
£ 242.50 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
2-56
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
5/16"
l3
0.38
Weight
g
4.5
£ 303.12 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
4-40
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
5/16"
l3
0.38
Weight
g
4.5
£ 260.50 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
5-40
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
5/16"
l3
0.38
Weight
g
4.5
£ 260.50 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
6-32
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
5/16"
l3
0.38
Weight
g
4.5
£ 260.50 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
8-32
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
5/16"
l3
0.38
Weight
g
4.5
£ 260.50 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
10-24
d2
5/16"
d3
+0.0002|-0.0000
0.25
l1
7/8"
l2
5/16"
l3
0.38
Weight
g
4.5
£ 221.21 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
1/4"-20
d2
3/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
13.6
£ 221.21 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
5/16"-18
d2
1/2"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
13.6
£ 221.21 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
3/8"-16
d2
1/2"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
13.6
£ 221.21 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
7/16"-14
d2
7/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
13.0
£ 221.21 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
1/2"-13
d2
7/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
27.2
£ 221.21 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
5/8"-11
d2
7/8"
d3
+0.0002|-0.0000
0.25
l1
1"
l2
3/8"
l3
0.38
Weight
g
27.2
£ 221.21 per unit (click for quantity discounts)
Type
UNC
d1
tol. 3A
3/4"-10
d2
1"
d3
+0.0002|-0.0000
0.25
l1
1-1/8"
l2
1/2"
l3
0.38
Weight
g
54.4
£ 303.75 per unit (click for quantity discounts)
Type
d1
tol. 3A
d2
d3
+0.0002|-0.0000
l1
l2
l3
Weight
g
| Price & Availability | Article | Type | d1 tol. 3A | d2 | d3 +0.0002|-0.0000 | l1 | l2 | l3 | Weight g | ||||||||||||||||||
| 20530.W0014I | UNF | 6-40 | 5/16" | 0.25 | 7/8" | 1/4" | 0.38 | 4.5 | |||||||||||||||||||
£ 260.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 6-40 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 1/4" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0019I | UNF | 10-32 | 5/16" | 0.25 | 7/8" | 1/4" | 0.38 | 4.5 | |||||||||||||||||||
£ 242.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 10-32 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 1/4" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0025I | UNF | 1/4"-28 | 3/8" | 0.25 | 1" | 3/8" | 0.38 | 9.1 | |||||||||||||||||||
£ 242.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 1/4"-28 d2 3/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 9.1 | |||||||||||||||||||||||||||
| 20530.W0031I | UNF | 5/16"-24 | 1/2" | 0.25 | 1" | 3/8" | 0.38 | 13.6 | |||||||||||||||||||
£ 242.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 5/16"-24 d2 1/2" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 13.6 | |||||||||||||||||||||||||||
| 20530.W0037I | UNF | 3/8"-24 | 1/2" | 0.25 | 1" | 3/8" | 0.38 | 13.6 | |||||||||||||||||||
£ 242.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 3/8"-24 d2 1/2" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 13.6 | |||||||||||||||||||||||||||
| 20530.W0043I | UNF | 7/16"-20 | 7/8" | 0.25 | 1" | 3/8" | 0.38 | 18.1 | |||||||||||||||||||
£ 242.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 7/16"-20 d2 7/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 18.1 | |||||||||||||||||||||||||||
| 20530.W0050I | UNF | 1/2"-20 | 7/8" | 0.25 | 1" | 3/8" | 0.38 | 27.2 | |||||||||||||||||||
£ 242.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 1/2"-20 d2 7/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 27.2 | |||||||||||||||||||||||||||
| 20530.W0063I | UNF | 5/8"-18 | 7/8" | 0.25 | 1" | 3/8" | 0.38 | 27.2 | |||||||||||||||||||
£ 242.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNF d1
tol. 3A 5/8"-18 d2 7/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 27.2 | |||||||||||||||||||||||||||
| 20530.W0108I | UNC | 2-56 | 5/16" | 0.25 | 7/8" | 5/16" | 0.38 | 4.5 | |||||||||||||||||||
£ 303.12 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 2-56 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 5/16" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0111I | UNC | 4-40 | 5/16" | 0.25 | 7/8" | 5/16" | 0.38 | 4.5 | |||||||||||||||||||
£ 260.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 4-40 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 5/16" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0112I | UNC | 5-40 | 5/16" | 0.25 | 7/8" | 5/16" | 0.38 | 4.5 | |||||||||||||||||||
£ 260.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 5-40 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 5/16" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0114I | UNC | 6-32 | 5/16" | 0.25 | 7/8" | 5/16" | 0.38 | 4.5 | |||||||||||||||||||
£ 260.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 6-32 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 5/16" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0116I | UNC | 8-32 | 5/16" | 0.25 | 7/8" | 5/16" | 0.38 | 4.5 | |||||||||||||||||||
£ 260.50 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 8-32 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 5/16" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0119I | UNC | 10-24 | 5/16" | 0.25 | 7/8" | 5/16" | 0.38 | 4.5 | |||||||||||||||||||
£ 221.21 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 10-24 d2 5/16" d3
+0.0002|-0.0000 0.25 l1 7/8" l2 5/16" l3 0.38 Weight
g 4.5 | |||||||||||||||||||||||||||
| 20530.W0125I | UNC | 1/4"-20 | 3/8" | 0.25 | 1" | 3/8" | 0.38 | 13.6 | |||||||||||||||||||
£ 221.21 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 1/4"-20 d2 3/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 13.6 | |||||||||||||||||||||||||||
| 20530.W0131I | UNC | 5/16"-18 | 1/2" | 0.25 | 1" | 3/8" | 0.38 | 13.6 | |||||||||||||||||||
£ 221.21 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 5/16"-18 d2 1/2" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 13.6 | |||||||||||||||||||||||||||
| 20530.W0137I | UNC | 3/8"-16 | 1/2" | 0.25 | 1" | 3/8" | 0.38 | 13.6 | |||||||||||||||||||
£ 221.21 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 3/8"-16 d2 1/2" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 13.6 | |||||||||||||||||||||||||||
| 20530.W0143I | UNC | 7/16"-14 | 7/8" | 0.25 | 1" | 3/8" | 0.38 | 13.0 | |||||||||||||||||||
£ 221.21 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 7/16"-14 d2 7/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 13.0 | |||||||||||||||||||||||||||
| 20530.W0150I | UNC | 1/2"-13 | 7/8" | 0.25 | 1" | 3/8" | 0.38 | 27.2 | |||||||||||||||||||
£ 221.21 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 1/2"-13 d2 7/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 27.2 | |||||||||||||||||||||||||||
| 20530.W0163I | UNC | 5/8"-11 | 7/8" | 0.25 | 1" | 3/8" | 0.38 | 27.2 | |||||||||||||||||||
£ 221.21 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 5/8"-11 d2 7/8" d3
+0.0002|-0.0000 0.25 l1 1" l2 3/8" l3 0.38 Weight
g 27.2 | |||||||||||||||||||||||||||
| 20530.W0175I | UNC | 3/4"-10 | 1" | 0.25 | 1-1/8" | 1/2" | 0.38 | 54.4 | |||||||||||||||||||
£ 303.75 per unit (click for quantity discounts) Ready to despatch 0 Need more? Manufactured within 14 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type UNC d1
tol. 3A 3/4"-10 d2 1" d3
+0.0002|-0.0000 0.25 l1 1-1/8" l2 1/2" l3 0.38 Weight
g 54.4 | |||||||||||||||||||||||||||
Technical & Application
Material
Body: 52100 steel.
Collar: 12L14 steel, blackened.
Technical Notes
Shaft size l3 is the same diameter on all gauges to simplify calculation of the hole spread - all diameters are concentric within .0002 T.I.R.
Thread: class 3A.
Important Notes
Two piece construction. Use to accurately measure the distance between two tapped holes in a workpiece.
All dimensions in inches.
