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ESR-3223 I Most Widely Accepted.Trusted • <br /> TABLE 3—ALLOWABLE TENSILE PULL-OVER LOADS(pounds-force)'''m's <br /> NOMINAL NOMINAL DESIGN THICKNESS OF STEEL SHEET <br /> SCREW EFFECTIVE PULL- IN CONTACT WITH SCREW HEAD(inch) <br /> DIAMETER <br /> DESIGNATION (in.) OVER DIAMETER 0.048 0.060 0.075 0.105 its <br /> '#10-16 HWH 0.190 0.400 557 641 714 - - <br /> #12-14 HWH 0.216 0.415 619 793 893 1092 - <br /> #12-14 UPFH 0.216 0.418 489 620 712 - - <br /> 1/4-14 HWH 0.250 0.510 661 952 1069 1515 - <br /> 1/4-20 HWH 0.250 0.510 667 910 1070 1568 - <br /> For SI:1 inch=25.4 mm,1 lbf=4.4 N,1 ksi=6.89 MPa. <br /> 'For tension connections,the lower of the allowable pull-out,pull-over,and fastener tension strength found in Tables 2,3,and 4,respectively, <br /> must be used for design. <br /> 2Nominal strengths are based on laboratory tests. <br /> 3Steel must comply with AISI S100(AISI-NAS for 2006 IBC)and have a minimum tensile strength of 58 ksi. <br /> 4To calculate LRFD values,multiply values in the table by the ASD safety factor of 3.0 and multiply again with the LRFD resistance factor of 0.5. <br /> 5The"-"symbol denotes pull-over not tested. <br /> TABLE 4—FASTENER STRENGTH(pounds-force)1'2'3•4 <br /> SCREW NOMINAL FASTENER STRENGTH(TESTED) ALLOWABLE FASTENER STRENGTH,(1=3 <br /> DESIGNATION Te Shear,Pa Tensile Pail Shear,P./0 <br /> #10-16 HWH 2598 1607 C 866• 536 <br /> #12-14 HWH 2O91 1076 697 <br /> #12-14 UPFH 3118 1935 1039 645 <br /> 1/4 14 HWH 4400 2727 1467 909 <br /> 1/4-20 HWH 4490 2725 1497 908 <br /> For SI:1 inch=25.4 mm,1 Ibf=4.4 N. <br /> 'For tension connections,the lower of the allowable pull-out,pull-over,and fastener tension strength found in Tables 2,3,and 4,respectively, <br /> must be used for design. <br /> 2For shear connections,the lower of the allowable fastener shear strength and the allowable shear(bearing)capacity found in Tables 4 and 5, <br /> respectively,must be used for design. <br /> 3Nominal strengths are based on laboratory tests; <br /> 4To calculate LRFD values,multiply nominal values in the table by the LRFD resistance factor of 0.5. <br /> TABLE 5—ALLOWABLE SHEAR(BEARING)CAPACITY(pounds force)'a3,45 <br /> SCREW NOMINAL THICKNESS OF TOP SHEET-THICKNESS OF BOTTOM SHEET(Inch-inch)6 <br /> DIAMETER <br /> DESIGNATION <br /> (in.) 0.048-0.048 0.048-0.075 0.060..0.060 0.075-0.075 1/8-3/16 0.105-1/4 3/16-1/4 <br /> #10-16 HWH 0.190 331 583 475 - - - - <br /> #12-14 HWH 0.216 372 646 520 646 - - - <br /> #12-14 UPFH 0.216 375 662 542 636 - - - <br /> 1/4-14 HWH 0.250 376 622 536 785 841 - - <br /> '/4-20 HWH 0.250 356 687 520 760 858 860 - <br /> For SI:1 inch=25.4 mm,1 Ibf=4.4 N,1 ksi=6.89 MPa. <br /> 'For shear connections,the lower of the allowable fastener shear strength and the allowable shear(bearing)capacity found in Tables 4 and 5, <br /> respectively,must be used for design. <br /> 2Nominal strengths are based on laboratory tests. <br /> 3Steel must comply with AISI S100(AISI-NAS for the 2006 IBC)and have a minimum tensile strength of 58 ksi. <br /> 4To calculate LRFD values,multiply values in the table by the ASD safety factor of 3.0 and multiply again with the LRFD resistance factor of 0.5. <br /> 5The =symbol denotes shear capacity not tested. <br /> 6The top sheet is in contact with the fastener head,while the bottom sheet is not. <br /> °���►il l!I��i7i��'��1�'����1l��fi i i� t 1 i,f;, --,--)z <br /> �� i <br /> �. J I " .� <br /> 1" <br /> I Load ! <br /> —'Bearing Area j twe <br /> FIGURE 1—TEKS SELECT HEX WASHER HEAD(HWH) FIGURE 2—TEKS SELECT UNDERCUT PHILLIPS FLAT <br /> FASTENER HEAD(UPFH)FASTENER <br /> 8of16 <br />