Truss Head Head Dimensions

Self Tapping Truss Head Head Specifications Drawing
  Slotted   Phillips  
Truss Head Dimensions for Self-Tapping Screws
Nom
Size		 A H J T M G N Phillips
Driver
Size
Head
Dia		 Head Height Slot Width Slot Depth Recess Dimension
Diameter Depth Width
Max Min Max Min Max Min Max Min Max Min Max Min
4 .257 .241 .069 .059 .039 .031 .040 .030 .112 .099 .069 .018 1
6 .321 .303 .086 .074 .048 .039 .050 .037 .158 .145 .084 .027 2
8 .384 .364 .102 .088 .054 .045 .058 .045 .173 .160 .099 .029 2
10 .448 .425 .118 .103 .060 .050 .068 .053 .188 .175 .115 .030 2
12 .511 .487 .134 .118 .067 .056 .077 .061 .248 .235 .128 .032 3
1/4 .573 .546 .150 .133 .075 .064 .087 .070 .263 .250 .143 .033 3
5/16 .698 .666 .183 .162 .084 .072 .106 .085 .352 .339 .193 .059 4
3/8 .823 .787 .215 .191 .094 .081 .124 .100 .383 .370 .226 .063 4



Wafer Head Head Dimensions

Self Tapping Wafer Head Head Specifications Drawing
Wafer Head Dimensions for Self-Drilling Screws
Nominal Size A I
Head Diameter Recess Depth
Maximum Minimum Maximum Minimum
10 .516 .441 .134 .094



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