DBV Rainscreen Facade Product Technical Guide
SCREW LOAD TABLES
Table 1 - Hilti self-drilling stainless steel screw pull-out strength 1 ( lbf ) for 45 KSI substrate steel
Description
Nominal Diameter ( in )
Minimum Thickness of Supporting Steel Member ( mil / inch ) 43 mil 54 mil 68 mil 97 mil 118 mil 0.25 inch
Allowable Strength ( ASD )
S-MD 12-14 x 2 HWH # 3 SS304 0.216 " S-MD 12-14 x 2-1 / 2 HWH # 3 SS304 0.216 "
110 140 190 325 385 460 2
S-MD 12-14 x 4 HWH # 5 SS304 0.216 "
Design Strength ( LRFD )
S-MD 12-14 x 2 HWH # 3 SS304 0.216 " S-MD 12-14 x 2-1 / 2 HWH # 3 SS304 0.216 "
175 225 305 520 615 740 2
S-MD 12-14 x 4 HWH # 5 SS304 0.216 "
1 . The safety factor , Ω , and resistance factor , ϕ , used to determine the ASD and LRFD strengths are based on test results , in accordance with AISI S100 . 2 . Pull-out strength only applicable to S-MD 12-14 x 4 HWH # 5 SS304 .
Table 2 - Hilti self-drilling stainless steel screw pull-out strength 1 ( lbf ) for 65 KSI substrate steel
Description
Nominal Diameter ( in )
Minimum Thickness of Supporting Steel Member ( mil / inch ) 43 mil 54 mil 68 mil 97 mil 118 mil 0.25 inch
Allowable Strength ( ASD )
S-MD 12-14 x 2 HWH # 3 SS304 0.216 " S-MD 12-14 x 2-1 / 2 HWH # 3 SS304 0.216 "
135 150 210 330 390 670 2
S-MD 12-14 x 4 HWH # 5 SS304 0.216 "
Design Strength ( LRFD )
S-MD 12-14 x 2 HWH # 3 SS304 0.216 " S-MD 12-14 x 2-1 / 2 HWH # 3 SS304 0.216 "
215 240 335 530 625 1070 2
S-MD 12-14 x 4 HWH # 5 SS304 0.216 "
1 . The safety factor , Ω , and resistance factor , ϕ , used to determine the ASD and LRFD strengths are based on test results , in accordance with AISI S100 . 2 . Pull-out strength only applicable to S-MD 12-14 x 4 HWH # 5 SS304 .
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