Flat Head (Imperial)
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Thread

Grip Range

L D

Hole Size

B S
#6-32 .020-.080
.080-.130
.420
.470
.265 17/64 .390 .030
#8-32 .020-.080
.080-.130
.420
.470
.265 17/64 .390 .o30
#10-24 .020-.130
.130-.225
.475
.585
.296 19/64 .415 .030
#10-32 .020-.130
.130-.225
.475
.585
.296 19/64 .415 .030
1/4-20 .027-.165
.165-.260
.580
.680
.390 25/64 .500 .030
5/16-18 .027-150
.150-.312
.690
.805
.530 17/32 .685 .035
3/8-16 .027-.150
.150-.312
.690
.805
.530 17/32 .685 .035
1/2-13 .063-.200
.200-.350
1.150
1.300
.685 11/16 .865 .047