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 />
RECOMMENDED HOLE SIZES<br />
FOR THREAD CUTTING SCREWS<br />
THICKNESS MATERIAL<br />
SCREW SIZE<br />
DRILL SIZES<br />
2-56<br />
NO. DIA.<br />
4-40<br />
NO. DIA.<br />
5-40<br />
NO. DIA.<br />
6-32<br />
NO. DIA.<br />
8-32<br />
NO. DIA.<br />
UP TO .047 STEEL 50 .070 43 .089 37 .104 35 .110 29 .136<br />
STAINLESS STEEL* 50 .070 43 .089 37 .104 35 .110 29 .136<br />
ALUMINUM-SHEET 50 .070 43 .089 37 .101 7/64 .1094 29 .136<br />
.063 STEEL 50 .070 43 .089 37 .104 34 .111 29 .136<br />
STAINLESS STEEL* 49 .073 42 .093 36 .106 32 .116 28 .140<br />
ALUMINUM-SHEET 50 .070 43 .089 38 .101 7/64 .1094 29 .136<br />
.094 STEEL 49 .073 42 .093 36 .106 32 .116 28 .140<br />
STAINLESS STEEL* 49 .073 41 .096 7/64 .1094 32 .116 27 .144<br />
ALUMINUM-SHEET 50 .070 43 .089 37 .104 33 .113 29 .136<br />
.109 STEEL 49 .073 42 .093 36 .106 32 .116 27 .144<br />
STAINLESS STEEL* 48 .076 41 .096 7/64 .1094 31 .120 27 .144<br />
ALUMINUM-SHEET 49 .073 42 .093 37 .104 33 .113 28 .140<br />
.125 STEEL 48 .076 41 .096 7/64 .1094 31 .120 27 .144<br />
STAINLESS STEEL* 48 .076 40 .098 34 .111 31 .120 26 .147<br />
ALUMINUM-SHEET 49 .073 42 .093 36 .106 32 .116 28 .140<br />
CAST ALUMINUM &<br />
ZINC DIE CAST<br />
48 .076 40 .098 35 .110 31 .120 26 .147<br />
CAST IRON 47 .078 38 .101 32 .116 1/8 .125 24 .152<br />
.188 STEEL 38 .101 32 .116 1/8 .125 24 .152<br />
STAINLESS STEEL* 37 .104 32 .116 30 .128 23 .154<br />
ALUMINUM-SHEET 40 .098 35 .110 31 .120 26 .147<br />
CAST ALUMINUM &<br />
ZINC DIE CAST<br />
40 .098 34 .111 31 .120 26 .147<br />
CAST IRON 37 .104 32 .116 30 .128 23 .154<br />
.250 STEEL 37 .104 32 .116 30 .128 23 .154<br />
STAINLESS STEEL* 37 .104 31 .120 30 .128 5/32 .1562<br />
ALUMINUM-SHEET 38 .101 33 .113 1/8 .125 25 .149<br />
CAST ALUMINUM &<br />
ZINC DIE CAST<br />
39 .099 33 .113 1/8 .125 25 .149<br />
CAST IRON 36 .106 31 .120 30 .128 22 .157<br />
.313 STEEL 30 .128 23 .154<br />
STAINLESS STEEL* 30 .128 5/32 .1562<br />
ALUMINUM-SHEET 30 .128 23 .154<br />
CAST ALUMINUM &<br />
ZINC DIE CAST<br />
1/8 .125 25 .149<br />
CAST IRON 30 .128 22 .157<br />
These charts are Industry Guidelines. These specifications may not be suitable for your special application. *Values listed are for #410 corrosion<br />
resistant screws in high tensile stainless steel.<br />
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