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<br /> FASTENERS SECTION 9 <br /> Table 9,3: Allowable Loads On Screws And Bolts <br /> (As Recommended By Manufacturers) <br />Self-Tapping and Machine Screws Allowable Loads Tensile <br />Strength 55,000 psi; Shear 24,000 psi <br /> Metal to Metal <br />Screw Diameter Shear (Ibs.) Double Shear Pull Out <br />'lIbs.) IIbs.\ <br /> #8 334 668 167 <br /> #10 418 836 209 <br /> #12 576 1,152 288 <br /> #14 734 1 ,468 367 <br /> 1/4" 761 1522 380 <br /> 5/16" 1,253 2,506 626 <br /> 3/8" 1,588 3,710 928 <br /> Metal to PlYwood <br /> 1/2" 4 ply 5/8" 4 ply 3/4" 4 ply <br />Screw Diameter Shear (Ibs.) Pull Out Shear (Ibs.) Pull out Shear (Ibs,) Pull out <br />IIbs.\ IIbs.1 IIbs.! <br /> #8 93 48 113 59 134 71 <br /> #10 100 55 120 69 141 78 <br /> #12 118 71 131 78 143 94 <br /> #14 132 70 145 88 157 105 <br />Wood Lag Screw Loads <br />Using Southern Pine S.G., 0,55 or Equivalent 1-1/2" Thickness <br />Screw Diameter Shear (Ibs.) Double shear Withdrawal <br />IIbs.1 (Ibs.\ <br /> 1/4" 170 235 396 <br /> 5116" 210 355 624 <br /> 3/8" 240 480 712 <br />Concrete Screws And Bolts In Concrete, Brick or C,M,U. <br />(Embedment Must Be a Minimum of 1-1/2" Thickness With 1-1/4" From Edge) <br /> 2,000# Concrete 3,000# Concrete <br />Screw Diameter Tension Shear T~ts,I.~n Shear <br />IIbs,l Ibs. <br /> 1/4" 757 319 825 352 <br /> 5/16" 1,057 818 1,184 898 <br /> 3/8" 1,443 1,443 1,776 1,503 <br />Aluminum Rivets with Aluminum Mandrel- <br />Screw Diameter Tension Shear <br />IIbs.1 <br /> 1/8" 129 176 <br /> 5/32" 187 263 <br /> 3/16" 262 375 <br />Aluminum Rivets with Aluminum Mandrel <br />Screw Diameter Tension Shear <br />IIbs.1 <br /> 1/8" 210 325 <br /> 5/32" 340 490 <br /> 3/16" 445 720 <br />. Screw goes through tv.u sides of members. <br />, .. All barrel lengths; Celus Industrial Quality. Use manufacturers grip range to match total wall thickness <br />of connection. Use charI. l'o Select screw US. rivet substitution of anchor specifications in drawings. <br /> Lawrence E. Bennett, P.E. <br /> alii. ENOIEER - DE1IB.Of'IEHT CONSU.TANT <br /> P.o. BOX 43lI8, BOUTH DAYTONA, Fl 32121 <br /> 1B.B'HOIE (11041 787-4n4 <br /> FAX (1104) 787-_ <br /> SEAL <br />@ COPYRIGHT 1988 PAGE <br />NOT TO IE REPRODUCED II WHOLE OR 1/ PART WITHOUT TIE WRTTEN PEIMlI8ION OF LAWRENCE E. IIENETT, P.E. 143 <br />