WELD SCREWS
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Weld Screw Sizes

Projections On Top of the Head

Type T3
Nominal Size Threads
per Inch		 D H P W
Head Diameter Head Height Proj. Height Proj. Width
Max. Min. Max. Min. Max. Min. Max. Min.
6
8		 32
32		 .260
.324		 .245
.306		 .046
.052		 .036
.042		 .022
.027		 .018
.023		 .055
.075		 .045
.065
10
10		 24
32		 .388
.388		 .368
.368		 .068
.068		 .058
.058		 .032
.032		 .028
.028		 .085
.085		 .075
.075
1/4 20 516 .492 .083 .073 .042 .038 .105 .095

 

Projections Under the Head

Type U3
Nominal Size Threads per Inch D H P W
Head Diameter Head Height Proj. Height Proj. Width
Max. Min. Max. Min. Max. Min. Max. Min..
6
8		 32
32		 .323
.385		 .303
.365		 .052
.068		 .042
.058		 .022
.027		 .018
.023		 .055
.075		 .045
.065
10
10		 24
32		 .448
.448		 .428
.428		 .068
.068		 .058
.058		 .032
.032		 .028
.028		 .085
.085		 .075
.075
1/4 30 .575 .550 .083 .073 .042 .038 .105 .095

(Other Styles Available upon request)