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System of Measurement
Inch
Thread Size
Thread Size
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Thread Size
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4-36
1/8"-20.8
1/8"-41.7
9/64"-20.8
9/64"-41.7
5/32"-21.3
3/16"-42.7
7/32"-20.8
1/4"-8
1/4"-12
1/4"-16
1/4"-18
1/4"-40
5/16"-28
11/32"-24
3/8"-5
3/8"-8
3/8"-10
3/8"-12
3/8"-20
3/8"-40
0.391"-32
7/16"-12
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
0.586"-32
5/8"-5
5/8"-6
5/8"-8
5/8"-10
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
0.750"-14
3/4"-18
3/4"-20
0.781"-32
0.803"-14
0.830"-14
0.855"-14
7/8"-6
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"-10
1.035"-14
1.040"-14
1 1/16"-12
1 1/16"-14
1.108"-14
1.120"-14
1 1/8"-5
1.125"-14
1.173"-18
1 3/16"-12
1 1/4"-4
1 1/4"-5
1.312"-18
1 5/16"-12
1 3/8"-4
1.376"-18
1 1/2"-2
1 1/2"-4
1 1/2"-5
1 1/2"-10
1.563"-18
1 3/4"-16
1.767"-18
1.967"-18
2"-2
2"-4
2"-5
2.157"-18
2 1/4"-2
2 1/4"-4
2 1/4"-12
2.360"-18
2 1/2"-3
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
3.340"-12
3 1/2"-4
3.527"-12
3.730"-12
3.918"-12
4.122"-12
4.325"-12
4.716"-12
5.106"-12
M4.2
M6.3
M9
M11
M15
M17
M25
M26
M28
M32
M34
M35
M38
M40
M50
M52
M55
M56
M60
M62
M63
M64
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
W 21.8
Nut Type
Nut Type
HexLocknut
Fastener Strength Grade/Class
Fastener Strength
Grade/Class
click to learn more about
click to learn more about Grade 2
click to learn more about Grade 5
Grade 2Grade 5
click to learn more about Grade 8
click to learn more about Grade C
Grade 8Grade C
Hex Nut Profile
Hex Nut Profile
StandardThin
Extra-Wide
Thin
Width
Width
default
3"
3 1/8"
3 9/64"
Thread Direction
Thread Direction
click to learn more about
click to learn more about Right Hand
click to learn more about Left Hand
Right HandLeft Hand
Thread Spacing
Thread Spacing
Fine
Extra Fine
Thread Type
Thread Type
UN12
UNF
Thread Fit
Thread Fit
Class 2B
Locking Type
Locking Type
Nylon InsertCotter Pin
Steel Insert
Drive Style
Drive Style
External Hex
DFARS (Defense Acquisition Regulations Supplement)
DFARS (Defense Acquisition
Regulations Supplement)
Specifications Met
Specifications Met
click to learn more about
Insert Maximum Temperature
Insert Maximum Temperature
220° F
250° F
For Cotter Pin Diameter
For Cotter Pin Diameter
3/8"
Minimum Slot Depth
Minimum Slot Depth
0.485"
Minimum Slot Width
Minimum Slot Width
0.43"
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