Sheet Metal Screw Sizes www.boltdepot.com/tools Length 230 Fastener length is measured from where the material surface is assumed to be, to the end of the fastener. 220 Length #4 Pan head Oval head Truss head Flat head Pan head Oval head Truss head Flat head Pan head Oval head Truss head Flat head Pan head Oval head Truss head Flat head Pan head Oval head Truss head Flat head Pan head Oval head Truss head 160 #8 170 #6 180 190 200 1 Flat head 210 in 120 110 4 130 140 150 3 #10 100 5 70 60 6 80 90 #12 8 20 30 40 50 7 #14 IMPORTANT: Make sure to print this chart to Actual Size (no scaling). 9 boltdepot.com/tools for more details. After printing, measure the ruler in the margin to ensure correct scale. Seewww.boltdepot.com/tools 10 Copyright © 2000-2017 Bolt Depot Inc. mm
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