Inch sized fasteners and more
Table for BSW Whitworth standard thread BS 84
⌀
Threads per Inch
pilot holeØ mm
Millimeter
Inch Decimal
1/16
60
1,15
1,5875
0,0625
3/32
48
1,80
2,3813
0,0938
1/8
40
2,55
3,1750
0,1250
5/32
32
3,10
3,9688
0,1563
3/16
24
3,65
4,7625
0,1875
7/32
24
4,40
5,5563
0,2188
1/4
20
5,10
6,3500
0,2500
9/32
20
–
7,1438
0,2813
5/16
18
6,50
7,9375
0,3125
3/8
16
7,90
9,5250
0,3750
7/16
14
9,30
11,1125
0,4375
1/2
12
10,50
12,7000
0,5000
9/16
12
12,10
14,2875
0,5625
5/8
11
13,50
15,8750
0,6250
11/16
11
15,00
17,4625
0,6875
3/4
10
16,50
19,0500
0,7500
13/16
10
18,00
20,6375
0,8125
7/8
9
19,25
22,2250
0,8750
15/16
9
21,00
23,8125
0,9375
1
8
22,00
25,4000
1,0000
1.1/8
7
24,75
28,5750
1,1250
1.1/4
7
27,75
31,7500
1,2500
1.3/8
6
30,50
34,9250
1,3750
1.1/2
6
33,50
38,1000
1,5000
1.5/8
5
35,50
41,2750
1,6250
1.3/4
5
39,00
44,4500
1,7500
1.7/8
4.1/2
41,50
47,6250
1,8750
2
4.1/2
44,50
50,8000
2,0000
Contact
Fürniss GmbH
Gewerbering 2a
76351 Linkenheim-Hochstetten
GERMANY
Products
Important Links