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<br />SECTION 9 <br /> <br />FASTENERS <br /> <br />Allowable Loads On Screws And Bolts <br />(As Recommended By Manufacturers) <br /> <br />Self.Tapping and Machine Screws Allowable Loads Tensile <br />Strength 55,000 psi; Shear 24,000 psi <br />Metal to Metal <br />Double Shear' <br />Ibs. <br />668 <br />836 <br />1,152 <br />1,468 <br />1,522 <br />2,506 <br />3,710 <br /> <br />Table 9.3 <br /> <br />Screw Diameter <br /> <br />Shear (Ibs.) <br />334 <br />418 <br />576 <br />34 <br />61 <br />1,253 <br />1,588 <br /> <br /> <br /> <br />Metal to PI ood <br />5/8" 4 ply <br />Sh (Ib) Pull Out <br />ear s. Ibs. <br />113 59 <br />120 69 <br />131 78 <br />14 88 <br /> <br /> <br />1/2" 4 ply <br /> <br />Screw Diameter Shear (Ibs.) PI~~.Out <br /> <br />93 48 <br />100 55 <br />118 71 <br />132 70 <br /> <br />3/4" 4 ply <br />Pull Out <br />Ibs. <br />71 <br />78 <br />94 <br />105 <br /> <br />Shear (Ibs.) <br />134 <br />141 <br />143 <br />157 <br /> <br />Screw Diameter <br /> <br />Shear (Ibs.) <br />170 <br />210 <br />240 <br /> <br />Wood Lag Screw Loads <br />Usin Southern Pine S.G., 0.55 or E uivalent 1.1/2" Thicknless \ <br />Double Shear <br />Ibs. <br />235 <br />3 5 <br />480 <br /> <br /> <br />Concrete Screws And Bolts In Concrete, Brick or C.M.U. <br />(Embedment Must Be a Minimum of 1.1/2" Thickne!ls With 1-1/4" From Ed e <br />oncrete oncrete <br /> <br />Screw Diameter Tension (Ibs. Shear Tension (Ibs.) Shear <br />14' 757 319 825 352 <br />51 1.057 818 1,184 898 <br />3/8 1,443 1.443 1.776 1,503 <br /> <br />Aluminum Rivets with Aluminum Mandrel~ <br />Screw Diameter Tension (Ibs. Shear <br /> <br />129 <br />187 <br />262 <br /> <br />176 <br />263 <br />375 <br /> <br />Aluminum Rivets with Aluminum Mandrel <br />Screw Diameter Tension (Ibs. Shear <br /> <br />210 <br />340 <br />44 <br /> <br />325 <br />490 <br />720 <br /> <br />Screw goes through two sides of members. <br />.. All barrel lengths; Celus Industrial Quality, Use manufacturers grip range to match total wall thickness of connection. <br />Use chart. To Select screw US, rivet substitution of anchor specifications in drawings <br /> <br />Lawrence E. Bennett, P.E. <br />CIVIL ENGINEER - DEVELOPMENT CONSUL TANT <br />PO, BOX 4368. SOUTH DAYTONA, FL 32121 <br />TELEPHONE (904) 767-4774 <br />FAX (904) 767.6556 <br /> <br />SEAL <br /> <br />PAGE <br /> <br />204 <br /> <br />@ COPYRIGHT 1999 <br /> <br />NOT TO BE REPRODUCED IN WHOLE OR IN PART WITHOUT THE WRITTEN PERMISSION OF LAWRENCE E. BENNETT. PE <br />