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System of Measurement
System of Measurement
Inch
Thread Size
Thread Size		Show
1"-14
Thread Size
Thread Size		Hide
0000-160
000-120
00-90
00-96
0-80
1-64
1-72
2-56
2-64
3-48
3-56
4-40
4-48
5-40
5-44
6-32
6-40
6-48
6-80
8-32
8-36
8-40
10-24
10-32
12-24
12-28
1/8"-20.8
1/8"-41.7
9/64"-20.8
9/64"-41.7
5/32"-21.3
3/16"-42.7
3/16"-100
7/32"-20.8
1/4"-8
1/4"-12
1/4"-16
1/4"-18
1/4"-20
1/4"-28
1/4"-32
1/4"-40
1/4"-80
1/4"-100
5/16"-18
5/16"-24
5/16"-28
5/16"-32
11/32"-24
3/8"-5
3/8"-8
3/8"-10
3/8"-12
3/8"-16
3/8"-20
3/8"-24
3/8"-32
3/8"-40
0.391"-32
7/16"-12
7/16"-14
7/16"-20
7/16"-24
7/16"-28
15/32"-32
0.469"-32
1/2"-4
1/2"-5
1/2"-6
1/2"-8
1/2"-10
1/2"-13
1/2"-20
1/2"-28
9/16"-12
9/16"-18
0.586"-32
5/8"-5
5/8"-6
5/8"-8
5/8"-10
5/8"-11
5/8"-18
5/8"-24
5/8"-27
0.628"-20
0.664"-32
11/16"-24
11/16"-27
3/4"-4
3/4"-4 1/2
3/4"-5
3/4"-6
3/4"-8
3/4"-10
0.750"-14
3/4"-16
3/4"-18
3/4"-20
0.781"-32
0.803"-14
0.830"-14
0.855"-14
7/8"-6
7/8"-9
7/8"-14
7/8"-20
0.880"-14
0.899"-14
0.908"-14
0.960"-14
0.965"-14
0.969"-32
1"-2
1"-3 1/2
1"-4
1"-5
1"-6
1"-8
1"-10
1"-12
1"-14
1.035"-14
1.040"-14
1 1/16"-12
1 1/16"-14
1.108"-14
1.120"-14
1 1/8"-5
1 1/8"-7
1 1/8"-8
1 1/8"-12
1.125"-14
1.173"-18
1 1/4"-4
1 1/4"-5
1 1/4"-7
1 1/4"-8
1 1/4"-12
1.312"-18
1 5/16"-12
1 3/8"-4
1 3/8"-6
1 3/8"-8
1 3/8"-12
1.376"-18
1 1/2"-2
1 1/2"-4
1 1/2"-5
1 1/2"-6
1 1/2"-8
1 1/2"-10
1 1/2"-12
1.563"-18
1 5/8"-5 1/2
1 5/8"-8
1 5/8"-12
1 3/4"-5
1 3/4"-8
1 3/4"-12
1.767"-18
1 7/8"-5
1 7/8"-8
1 7/8"-12
1.967"-18
2"-2
2"-4
2"-4 1/2
2"-5
2"-8
2"-12
2.157"-18
2 1/4"-2
2 1/4"-4
2 1/4"-4 1/2
2 1/4"-8
2 1/4"-12
2.360"-18
2 1/2"-3
2 1/2"-4
2 1/2"-8
2 1/2"-12
2.548"-18
2 3/4"-4
2 3/4"-12
2.751"-18
2.933"-12
3"-4
3"-12
3.137"-12
3 1/2"-4
3.918"-12
4.716"-12
M0.5
M0.8
M0.9
M1
M1.2
M1.4
M1.6
M1.7
M1.8
M2
M2.2
M2.5
M2.6
M3
M3.5
M4
M4.2
M4.5
M5
M6
M6.3
M7
M8
M9
M10
M11
M12
M14
M15
M16
M17
M18
M20
M22
M24
M25
M26
M27
M28
M30
M32
M33
M34
M35
M36
M38
M39
M40
M42
M45
M48
M50
M52
M55
M56
M60
M62
M63
M65
M68
M70
M72
M75
M80
M85
M90
M95
M100
M105
M110
M115
M120
M125
M130
M135
M140
M145
M150
M155
M160
M165
M170
M180
M190
M200
M220
M240
M260
M280
1/4 
3/8 
1/2 
3/4 
1
1 1/4
1 1/2
2
PG-7
PG-9
PG-11
PG-13.5
PG-16
PG-21
PG-29
PG-36
PG-42
PG-48
Unthreaded
W 21.8
Fastener Strength Grade/Class
Fastener Strength
Grade/Class
Grade 2
Grade 2H
Grade 5
Grade 8
Grade 9
Grade B7
Grade B8
Grade C
Grade G
Thread Direction
Thread Direction
Right HandLeft Hand
Head Type
Head Type
SocketHex
FlatHeadless
Thread Spacing
Thread Spacing
Coarse
Fine
Extra Fine
Hex Nut Profile
Hex Nut Profile
StandardThin
Extra WideHigh
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Thread Type
Thread Type
UNC
UNF
UNS
Drive Style
Drive Style
External
Hex		HexSlotted
Specifications Met
Specifications Met
ASME
ASTM
Mil. Spec.
SAE
Head Width
Head Width
default
1 1/2"
Head Height
Head Height
default
0.54"
39/64"
5/8"
43/64"
1"