|
Flange 12-point Screws in all grades are made to order at B&G's Hatfield, PA plant.
 Materials List
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Nominal Size, Inches
|
E
|
C
|
F
|
G
|
H
|
J
|
K
|
LT
|
|
Body Dia
Min (Max Equal to Nom Size)
|
Flange
|
Width Across Flats
|
Width Across Corners
|
Head Height
|
Wrench-ing
Height
|
Flange Thick-ness
|
Thread Length
|
|
Max
|
Min
|
Max
|
Min
|
Min
|
Max
|
Min
|
Min
|
Basic
|
|
.250
|
.2435
|
.375
|
.365
|
.252
|
.244
|
.278
|
.260
|
.15
|
.058
|
1.00
|
|
.3125
|
.3053
|
.469
|
.457
|
.315
|
.306
|
.348
|
.312
|
.18
|
.074
|
1.125
|
|
.375
|
.3678
|
.562
|
.550
|
.377
|
.368
|
.420
|
.375
|
.21
|
.095
|
1.25
|
|
.4375
|
.4294
|
.656
|
.642
|
.438
|
.429
|
.489
|
.438
|
.26
|
.109
|
1.375
|
|
.500
|
.4919
|
.750
|
.735
|
.502
|
.493
|
.562
|
.500
|
.29
|
.129
|
1.50
|
|
.5625
|
.5538
|
.844
|
.828
|
.564
|
.555
|
.633
|
.563
|
.33
|
.145
|
1.625
|
|
.625
|
.6163
|
.938
|
.921
|
.627
|
.618
|
.705
|
.625
|
.36
|
.166
|
1.75
|
|
.750
|
.7406
|
1.125
|
1.107
|
.752
|
.743
|
.847
|
.750
|
.44
|
.200
|
2.00
|
|
.875
|
.8647
|
1.312
|
1.293
|
.877
|
.866
|
.987
|
.875
|
.51
|
.234
|
2.25
|
|
1.00
|
.9886
|
1.50
|
1.479
|
1.003
|
.991
|
1.13
|
1.00
|
.60
|
.268
|
2.50
|
|
1.125
|
1.1086
|
1.688
|
1.665
|
1.128
|
1.115
|
1.271
|
1.125
|
.66
|
.310
|
2.75
|
|
1.25
|
1.2336
|
1.875
|
1.852
|
1.253
|
1.24
|
1.414
|
1.25
|
.73
|
.350
|
3.00
|
|
1.375
|
1.3568
|
2.062
|
2.038
|
1.378
|
1.365
|
1.556
|
1.375
|
.80
|
.392
|
3.25
|
|
1.50
|
1..4818
|
2.25
|
2.224
|
1.503
|
1.489
|
1.697
|
1.50
|
.87
|
.433
|
3.50
|
|
