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nts <br />..5, <br />be <br />ice <br />-o- <br />on <br />Le- <br />i. <br />Approved <br />Table 12.2A Lag Screw Reference Withdrawal Design Values, Wi <br />R PEROT ISSUANCE <br />Tabulated withdrawal design values M are in pounds per inch of thread penetration into si <br />le grain of wood member. <br />Length of thread penetration in main member shall not include the length of the to er <br />(@relV.2.1.1). <br />Specific <br />Date: <br />Gravity, <br />Lag Screw Diameter, D <br />GZ <br />1/4" <br />5116" <br />3/8" <br />7/16" <br />1/2" <br />5/8" <br />3/4" <br />7/8" <br />1" <br />1-1/8" <br />1-1/4" <br />0.73 <br />397 <br />469 <br />538 <br />604 <br />668 <br />789 <br />905 <br />1016 <br />1123 <br />1226 <br />1327 <br />0.71 <br />381 <br />450 <br />516 <br />579 <br />640 <br />757 <br />868 <br />974 <br />1077 <br />1176 <br />1273 <br />0.68 <br />357 <br />422 <br />484 <br />543 <br />600 <br />709 <br />813 <br />913 <br />1009 <br />1103 <br />1193 <br />0.67 <br />349 <br />413 <br />473 <br />531 <br />587 <br />694 <br />796 <br />893 <br />987 <br />1078 <br />1167 <br />0.58 <br />281 <br />332 <br />381 <br />428 <br />473 <br />559 <br />641 <br />719 <br />795 <br />869 <br />940 <br />0.55 <br />2 0— <br />307 <br />352 <br />395 <br />437 <br />516 <br />592 <br />664 <br />734 <br />802 <br />868 <br />0.51 <br />274 <br />314 <br />353 <br />390 <br />461 <br />528 <br />593 <br />656 <br />716 <br />775 <br />,0.50 <br />;z--4?V5266 <br />305 <br />342 <br />378 <br />447 _ <br />513 <br />576 <br />636 <br />695 <br />�752 <br />0.49 <br />�18 <br />258 <br />296 <br />332 <br />367 <br />434 <br />498 <br />559 <br />617 <br />674 <br />730 <br />0.47 <br />205 <br />242 <br />278 <br />312 <br />345 <br />408 <br />467 <br />525 <br />580 <br />634 <br />686 <br />0.46 <br />199 <br />235 <br />269 <br />302 <br />334 <br />395 <br />453 <br />508 <br />562 <br />613 <br />664 <br />0.44 <br />186 <br />220 <br />252 <br />283 <br />312 <br />369 <br />423 <br />475 <br />525 <br />574 <br />621 <br />0.43 <br />179 <br />212 <br />243 <br />273 <br />302 <br />357 <br />409 <br />459 <br />508 <br />554 <br />600 <br />0.42 <br />173 <br />205 <br />235 <br />264 <br />291 <br />344 <br />395 <br />443 <br />490 <br />535 <br />579 <br />0.41 <br />167 <br />198 <br />226 <br />254 <br />281- <br />332 <br />381 <br />428 <br />473 <br />516 <br />559 p <br />-0.40 <br />161 <br />190 <br />218 <br />245 <br />271 <br />320 <br />367 <br />412 <br />455 <br />497 <br />538 C <br />0.39 <br />155 <br />183 <br />210 <br />236 <br />261 <br />308 <br />353 <br />397 <br />438 <br />479 <br />518 m <br />0.38 <br />149 <br />176 <br />202 <br />227 <br />251 <br />296 <br />340 <br />381 <br />422 <br />461 <br />498 <br />0.37 <br />143. <br />169 <br />194 <br />218 <br />241 <br />285 <br />326 <br />367 <br />405 <br />443 <br />479 <br />0.36 <br />137 <br />163 <br />186 <br />209 <br />231 <br />273 <br />313 <br />352 <br />389 <br />425 <br />460 M <br />0.35 <br />132 <br />156 <br />179 <br />200 <br />222 <br />262 <br />300 <br />337 <br />373 <br />407 <br />441 a <br />cn <br />0.31 <br />110 <br />130 <br />149 1 <br />167 1 <br />185 1 <br />218 <br />250 1 <br />281 1 <br />311 1 <br />339 <br />367 -1 <br />m <br />1. Tabulated withdrawal design values, W, for lag screw connections shall be multiplied by all applicable adjustment factors (see Table 11.3.1). m <br />2. Specific gravity, G, shall be determined in accordance with Table 123.3A. rM <br />N <br />12.2.3.2 For calculation of the fastener reference <br />withdrawal design value in pounds, the unit reference <br />withdrawal design value in lbs/in. of fastener penetra- <br />tion from 12.2.3.1 shall be multiplied by the length of <br />fastener penetration, p,, into the wood member.. <br />12.2.3.3 The reference withdrawal design value, in <br />lbs/in. of penetration, for a single post -frame ring shank <br />nail driven in the side grain of the main member, with <br />the nail axis perpendicular to the wood fibers, shall be <br />determined from Table 12.2D or Equation 12.2-4, with- <br />in the range of specific gravities and nail diameters giv- <br />en in Table 12.2D. Reference withdrawal design values, <br />W, shall be multiplied by all applicable adjustment fac- <br />tors (see Table 11.3.1) to obtain adjusted withdrawal <br />design values, W'. <br />W = 1800 G2 D (12.2-4) <br />12.2.3.4 For calculation of the fastener reference <br />withdrawal design value in pounds, the unit reference <br />withdrawal design value in Ibs/in. of ring shank pene- <br />tration from 12.2.3.3 shall be multiplied by the length <br />of ring shank penetration, p,, into the wood member. <br />12.2.3.5 Nails and spikes shall not be loaded in <br />withdrawal from end grain of wood (C,g 0.0). <br />12.2.3.6 Nails, and spikes shall not be loaded in <br />withdrawal from end -grain of laminations in cross - <br />laminated timber (C,g 0.0). <br />12.2.4 Drift Bolts and Drift Pins <br />Reference withdrawal design values, W, for con- <br />nections using drift bolt and drift pin connections shall <br />be determined in accordance with 11.1.1.3. <br />AMERICAN WOOD COUNCIL <br />