Transcription of Tool Size Chart - Northwest Fastener
1 Wrench Size Diameter Hex Key Size 11320 FM 529 RD BLDG F HOUSTON, TEXAS 77041 TEL (713) 896-1166 FAX (713) 896-7879 Tool Size Chart Inch Fasteners Metric Fasteners Wrench Sizes (in.) Hex Key Sizes (in.) Wrench & Hex Key Sizes (mm) Diameter Hex Heavy Hex Diameter Socket Diameter Hex Socket 1/4 7/16 #1 1/16 M3 5/16 1/2 #2 5/64 M4 3/8 9/16 #3 5/64 M5 7/16 5/8 #4 3/32 M6 1/2 3/4 7/8 #5 3/32 M8 9/16 13/16 #6 7/64 M10 5/8 15/16 1 1/16 #8 9/64 M12 3/4 1 1/8 1 1/4 #10 5/32 M14 7/8 1 5/16 1 7/16 1/4 3/16 M16 1 1 1/2 1 5/8 5/16 1/4 M18 1 1/8 1 11/16 1 13/16 3/8 5/16 M20 1 1/4 1 7/8 2 7/16 3/8 M22 1 3/8 2 1/16 2 3/16 1/2 3/8 M24 1 1/2 2 1/4 2 3/8 5/8 1/2 M27 1 3/4 2 5/8 2 3/4 3/4 5/8 M30 2 3 3 1/8 7/8 3/4 M33 2 1/4 3 3/8 3 1/2 1 3/4 M36 2 1/2 3 3/4 3 7/8 1 1/8 7/8 M42 2 3/4 4 1/8 4 1/4 1 1/4 7/8 M48 3 4 1/2 4 5/8 1 3/8 1 1 1/2 1
