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78 DOWEL-TYPE FASTENERS <br /> Table 12.213 Cut Thread or Rolled Thread Wood Screw Reference Withdrawal Design Values, W1 <br /> Tabulated withdrawal design values, W, are in pounds per inch of thread penetration into side grain of wood <br /> member see 12.2.2.1). <br /> Specific Wood Screw Number <br /> Gravity, 6 7 8 9 10 12 14 16 18 20 24 <br /> G2 <br /> 0.73 209 229 249 268 288 327 367 406 446 485 564 <br /> 0.71 198 216 235 254 272 310 347 384 421 459 533 <br /> 0.68 181 199 216 233 250 284 318 352 387 421 489 <br /> 0.67 176 193 209 226 243 276 309 342 375 409 475 <br /> 0.58 132 144 157 169 182 207 232 256 281 306 356 <br /> 0.55 119 130 141 152 163 186 208 231 253 275 320 <br /> 0.51 102 112 121 131 141 160 179 198 217 237 275 <br /> 0.50 98 107 117 126 135 154 172 191 209 228 264 <br /> 0.49 94 103 112 121 130 147 165 183 201 219 254 <br /> 0.47 87 95 103 111 119 136 152 168 185 201 234 <br /> 0.46 83 91 99 107 114 130 146 161 177 193 224 <br /> 0.44 76 83 90 97 105 119 133 148 162 176 205 <br /> 0.43 73 79 86 93 100 114 127 141 155 168 196 <br /> 0.42 69 76 82 89 95 108 121 134 147 161 187 <br /> 0.41 66 72 78 85 91 103 116 128 141 153 178 <br /> 0.40 63 69 75 81 86 98 110 122 134 146 169 <br /> 0.39 60 65 71 77 82 93 105 116 127 138 161 <br /> 0.38 57 62 67 73 78 89 99 110 121 131 153 <br /> 0.37 54 59 64 69 74 84 94 104 114 125 145 <br /> 0.36 51 56 60 65 70 80 89 99 108 118 137 <br /> 0.35 48 53 57 62 66 75 84 93 102 ill 130 <br /> 0.31 38 41 45 48 52 59 66 73 80 87 102 <br /> 1. Tabulated withdrawal design values,W,for wood screw connections shall be multiplied by all applicable adjustment factors(see Table 11.3.1). <br /> 2. Specific gravity,G,shall be determined in accordance with Table 12.3.3A. <br /> (b) For Roof Sheathing Ring Shank nails (Appen- 12.2.3.4 Nails and spikes shall not be loaded in <br /> dix Table L6) or Post-Frame Ring Shank nails (Appen- Withdrawal from end-grain of laminations in cross- <br /> dix Table L5) that are uncoated carbon steel, reference laminated timber(Ceg0.0). <br /> withdrawal design values determined from Table 12.2E <br /> or Equation 12.2-5 shall be permitted to be multiplied 12.2.4 Drift Bolts and Drift Pins <br /> by 1.25. Reference withdrawal design values, W, for con- <br /> (c) For calculation of the fastener reference with- nections using drift bolt and drift pin connections shall <br /> drawal design value in pounds, the unit reference with- be determined in accordance with 11.1.1.3. <br /> drawal design value in lbs/in. of ring shank penetration <br /> from 12.2.3.2a or 12.2.3.2b shall be multiplied by the 12.2.S Fastener Head Pull-Through <br /> length of ring shank penetration, pt, into the wood <br /> member. 12.2.5.1 For fasteners with round heads, the refer- <br /> (d) For other deformed shank nails, reference with- ence pull-through design value, WH, in pounds for <br /> drawal design values shall be permitted to be calculated wood side members shall be determined from Table <br /> in accordance with 12.2.3.1. 12.2F or Equation 12.2-6, within the range of fastener <br /> 12.2.3.3 Nails and spikes shall not be loaded in head diameters, DH, and net side member thicknesses, <br /> withdrawal from end grain of wood(Ceg 0.0). tns, given in Table 12.2F. Reference pull-through design <br /> values, WH, shall be multiplied by all applicable ad- <br /> justment factors (see Table 11.3.1) to obtain adjusted <br /> pull-through design values,W'H. <br /> Copyright©American Wood Council. Downloaded/printed pursuant to License Agreement.No reproduction or transfer authorized. <br /> AMERICAN WOOD COUNCIL <br /> 17 of 17 <br />