Engineered Components - Anchor Bolt and Screw Company
Engineered Components - Anchor Bolt and Screw Company
Engineered Components - Anchor Bolt and Screw Company
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<strong>Engineered</strong><br />
<strong>Components</strong> COMPANY<br />
847-841-7000 • Fax 847-841-7007<br />
TYPE A, AB AND B THREAD FORMING SCREWS IN SHEET METALS<br />
HOLE SIZES 1 FOR<br />
THREAD FORMING<br />
SCREWS<br />
<strong>Screw</strong><br />
Size<br />
Total<br />
Metal<br />
Thickness<br />
(decimal)<br />
Type A2 For<br />
Steel, Stainless Steel, Monel,<br />
Brass & Aluminum Alloy<br />
Type AB <strong>and</strong> B For<br />
Steel, Stainless Steel,<br />
Monel & Brass<br />
Type AB <strong>and</strong> B For<br />
Aluminum Alloys<br />
Pierced or<br />
Extruded<br />
Hole<br />
Drilled or<br />
Clean Punched Hole<br />
Pierced or<br />
Extruded<br />
Hole<br />
Drilled or<br />
Clean Punched Hole<br />
Pierced or<br />
Extruded<br />
Hole<br />
Drilled or<br />
Clean Punched Hole<br />
Hole Hole Drill Hole Hole Drill Hole Hole Drill<br />
Diameter Diameter3 Size No. Diameter Diameter3 Size No. Diameter Diameter3 Size No.<br />
10 0.018 – 0.136 29 0.157 – – – – –<br />
0.024 0.157 0.136 29 0.157 0.144 27 0.157 – –<br />
0.030 0.157 0.136 29 0.157 0.144 27 0.157 – –<br />
0.036 0.157 0.136 29 0.157 0.147 26 0.157 0.144 27<br />
0.048 0.157 0.149 25 0.157 0.152 24 0.157 0.144 27<br />
0.060 – 0.152 24 – 0.144 27<br />
0.075 – 0.157 22 – 0.147 26<br />
0.105 – 0.161 20 – 0.147 26<br />
0.125 – 0.170 18 – 0.154 23<br />
0.135 – 0.170 18 – 0.154 23<br />
0.164 – 0.173 17 – 0.159 21<br />
0.200 to 0.375 – – – – – – – 0.166 19<br />
12 0.024 – 0.161 20 0.185 0.166 19 – – –<br />
0.030 0.185 0.161 20 0.185 0.166 19 – – –<br />
0.036 0.185 0.161 20 0.185 0.166 19 – – –<br />
0.048 0.185 0.161 20 0.185 0.170 18 – 0.161 20<br />
0.060 – 0.177 16 – 0.166 19<br />
0.075 – 0.182 14 – 0.173 17<br />
0.105 – 0.185 13 – 0.180 15<br />
0.125 – 0.196 9 – 0.182 14<br />
0.135 – 0.196 9 – 0.182 14<br />
0.164 – 0.201 7 – 0.189 12<br />
0.200 to 0.375 – – – 0.196 9<br />
14 0.024 – 0.185 13 – – – – – –<br />
1/4 0.030 0.209 0.189 12 0.209 0.194 10 – – –<br />
0.036 0.209 0.191 11 0.209 0.194 10 – – –<br />
0.048 0.209 0.196 9 0.209 0.194 10 – – –<br />
0.060 – 0.199 8 – 0.199 8<br />
0.075 – 0.204 6 – 0.201 7<br />
0.105 – 0.209 4 – 0.204 6<br />
0.125 – 0.228 1 – 0.209 4<br />
0.135 – 0.228 1 – 0.209 4<br />
0.164 – 0.234 15/64 – 0.213 3<br />
0.187 – 0.234 15/64 – 0.213 3<br />
0.194 – 0.234 15/64 – 0.221 2<br />
0.200 to 0.375 – – – – – – – 0.228 1<br />
1. Because conditions differ widely, it may be necessary to vary the hole size slightly to suit a particular application. 2. Type AB screws, because they offer wider versatility of application, are<br />
recommended over type A screws. 3. Decimals shown are st<strong>and</strong>ard drill sizes, rounded to nearest 0.001 inch. 4. Hole sizes shown in bold face type apply to Type B only.<br />
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