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Phillips Truss Sheet Metal Screws Zinc

Phillips Truss Sheet Metal Screws Zinc


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Phillips Truss Sheet Metal Screws Zinc

Sheet metal screws or tapping screws are designed to bind sheet metal to wood and sometimes fiberglass. Manufactured with a sharper, more pronounced thread that allows the screw to better tap or penetrate metal surfaces.

Phillips Truss Head Sheet Metal Screws Zinc
Nominal
Size
Head Diameter Height of Head Dimensions of Recess Phillips
Driver
Size
Diameter Depth Width
Max. Min. Max. Min. Max. Min. Max. Min.
2 .194 .180 .053 .044 .104 .091 .050 .018 1
4 .257 .241 .069 .059 .112 .099 .069 .018 1
5 .289 .272 .078 .066 .128 .115 .076 .019 1
6 .321 .303 .086 .074 .158 .145 .084 .027 2
7 .352 .333 .094 .081 .165 .152 .078 .028 2
8 .384 .364 .102 .088 .173 .160 .099 .029 2
10 .448 .425 .118 .103 .188 .175 .115 .030 2
12 .511 .487 .134 .118 .248 .235 .128 .032 3
14 .557 .530 .146 .129 .263 .250 .130 .033 3
1/4 .573 .546 .150 .133 .263 .250 .143 .033 3
Type AB Threads for Self Tapping/Sheet Metal Screws
Diameter Threads
Per Inch
Major Diameter Minor Diameter Minimum Practical
Screw Length
Max. Min. Max. Min. 90o Heads Countersunk
Heads
2 .0860 32 .088 .082 .064 .060 3/16 7/32
3 .0990 28 .101 .095 .075 .071 3/16 1/4
4 .1120 24 .114 .108 .086 .082 7/32 9/32
5 .1250 20 .130 .123 .094 .090 1/4 5/16
6 .1380 20 .139 .132 .104 .099 9/32 11/32
7 .1510 19 .154 .147 .115 .109 5/16 3/8
8 .1640 18 .166 .159 .122 .116 5/16 3/8
10 .1900 16 .189 .182 .141 .135 3/8 7/16
12 .2160 14 .215 .208 .164 .157 7/16 21/32
1/4 .2500 14 .246 .237 .192 .185 1/2 19/32