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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 />fbs. <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 />#8 <br />#10 <br />#12 <br />#14 <br />1/4' <br />5/16" <br />3/8' <br /> <br />Shear (fbs.) <br />334 <br />418 <br />576 <br />734 <br />761 <br />1.253 <br />1.588 <br /> <br />(- <br /> <br /> <br />Screw Diameter <br /> <br />#8 <br />#10 <br />#12 <br />#14 <br /> <br />1/2" 4 ply <br />Sh (Ib) Pull Out <br />ear s. Ibs. <br />93 48 <br />100 55 <br />118 71 <br />132 70 <br /> <br /> <br />Screw Diameter <br /> <br />1/4" <br />5/16" <br />3/8" <br /> <br />Shear (Ibs.) <br />170 <br />210 <br />240 <br /> <br />Screw Diameter <br /> <br />1/4" <br />5/16" <br />3/8" <br /> <br />Shear <br />319 <br />818 <br />1,443 <br /> <br />Tension (Ibs.) <br />825 <br />1.184 <br />1.776 <br /> <br />Shear <br />352 <br />898 <br />1.503 <br /> <br />Aluminum Rivets with Aluminum Mandrel"" <br />Screw Diameter Tension (Ibs. Shear <br /> <br />1/8" <br />5/32" <br />3/16" <br /> <br />176 <br />263 <br />375 <br /> <br />129 <br />187 <br />262 <br /> <br />Aluminum Rivets with Aluminum Mandrel <br />Screw Diameter Tension (Ibs. Shear <br /> <br />1/8' <br />5/32' <br />3/16" <br /> <br />325 <br />490 <br />720 <br /> <br />210 <br />340 <br />445 <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 U S 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 />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 />