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Phillips Truss Sheet Metal Screws 18-8 Stainless Steel

Phillips Truss Sheet Metal Screws 18-8 Stainless Steel


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Phillips Truss Sheet Metal Screws 18-8 Stainless Steel

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 Sheet Metal Screws 18-8 Stainless Steel
Phillips Truss Head Sheet Metal Screws 18-8 Stainless Steel
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