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AMERICAN WOOD COUNCIL <br />182 APPENDIX <br /> <br />Table L3 Standard Wood Screws1,6 <br /> <br /> <br />D = diameter, in. <br /> <br /> DH = head diameter5, in. <br />Dr = root diameter, in. <br />L = screw length, in. <br />T = thread length, in. <br /> Wood Screw Number <br /> 6 7 8 9 10 12 14 16 18 20 24 <br />D 0.138 0.151 0.164 0.177 0.19 0.216 0.242 0.268 0.294 0.32 0.372 <br />Dr4 0.113 0.122 0.131 0.142 0.152 0.171 0.196 0.209 0.232 0.255 0.298 <br />DH5 0.262 0.287 0.312 0.337 0.363 0.414 0.480 0.515 0.602 0.616 0.724 <br />1. Tolerances specified in ANSI/ASME B18.6.1. <br />2. Thread length on cut thread wood screws is approximately 2/3 of the wood screw length, L. <br />3. Single lead thread shown. Thread length is at least four times the screw diameter or 2/3 of the wood screw length, whichev er is greater. Wood screws which <br />are too short to accommodate the minimum thread length, have threads extending as close to the underside of the head as practicable. <br />4. Taken as the average of the specified maximum and minimum limits for body diameter of rolled thread wood screws. <br />5. Taken as the average of the specified maximum and minimum limits for head diameter. <br />6. It is permitted to assume the length of the tapered tip is 2D. <br /> <br />Table L4 Standard Common, Box, and Sinker Steel Wire Nails1,2 <br /> <br /> <br /> <br />D = diameter, in. <br />L = length, in. <br />H = head diameter, in. <br /> Common or Box Sinker <br /> Pennyweight <br />Type 6d 7d 8d 10d 12d 16d 20d 30d 40d 50d 60d <br /> <br />Common <br />L 2 2-1/4 2-1/2 3 3-1/4 3-1/2 4 4-1/2 5 5-1/2 6 <br />D 0.113 0.113 0.131 0.148 0.148 0.162 0.192 0.207 0.225 0.244 0.263 <br />H 0.266 0.266 0.281 0.312 0.312 0.344 0.406 0.438 0.469 0.5 0.531 <br /> <br />Box <br />L 2 2-1/4 2-1/2 3 3-1/4 3-1/2 4 4-1/2 5 <br />D 0.099 0.099 0.113 0.128 0.128 0.135 0.148 0.148 0.162 <br />H 0.266 0.266 0.297 0.312 0.312 0.344 0.375 0.375 0.406 <br /> <br />Sinker <br />L 1-7/8 2-1/8 2-3/8 2-7/8 3-1/8 3-1/4 3-3/4 4-1/4 4-3/4 5-3/4 <br />D 0.092 0.099 0.113 0.12 0.135 0.148 0.177 0.192 0.207 0.244 <br />H 0.234 0.250 0.266 0.281 0.312 0.344 0.375 0.406 0.438 0.5 <br /> 1. Tolerances are specified in ASTM F1667. Typical shape of common, box, and sinker steel wire nails shown. See ASTM F 1667 for other nail types. <br /> 2. It is permitted to assume the length of the tapered tip is 2D. <br /> <br />Cut Thread2 <br /> <br />Rolled Thread3 <br />Copyright © American Wood Council. Downloaded/printed pursuant to License Agreement. No reproduction or transfer authorized. <br />Page 37 <br />2/3 Length = 2/3 x 3" = 2" <br />4D = 4 x 0.242" = 0.97" <br /> <br />L Embed = 2" <br />2130 N Grand Ave <br />10/1/2024