Anchor Fastening Technical Guide , Edition 22
Table 18 — Steel resistance for Hilti KB1 carbon steel anchors 1 , 2
Anchor diameter in .
3 / 8
1 / 2
5 / 8
3 / 4
3 / 4x12
Tensile 3
N sar lb ( kN )
Shear 4
V sar lb ( kN )
Seismic Shear 5
V sar , eq lb ( kN )
4,315 1,620 1,620 ( 19.2 ) ( 7.2 ) ( 7.2 ) 7,385 3,330 3,330 ( 32.8 ) ( 14.8 ) ( 14.8 ) 11,670 5,675 5,675 ( 51.9 ) ( 25.2 ) ( 25.2 ) 16,520 6,865 5,835 ( 73.5 ) ( 30.5 ) ( 26.0 ) 14,455 5,950 5,055 ( 64.3 ) ( 26.5 ) ( 22.5 )
1 See Section 3.1.8 to convert factored resistance value to ASD value . 2 Hilti KB1 anchors are to be considered ductile steel elements , with the exception of the 3 / 4x12 KB1 which is a brittle steel element . 3 Tensile N sar
= Ase , N ф s f uta
R as noted in CSA A23.3 Annex D . 4 Shear determined by static shear tests with V sar
< 0.6 Ase , V ф s f uta
R as noted in CSA A23.3 Annex D . 5 Seismic shear values determined by seismic shear tests with V sar , eq
≤ 0.60 A se , V ф s f uta
R as noted in CSA A23.3 Annex D .
See Section 3.1.8 for additional information on seismic applications .
3.3.9
Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.3.9 KB1 EXPANSION ANCHOR Hilti , Inc . 1-800-879-8000 | en español 1-800-879-5000 | www . hilti . com | Hilti ( Canada ) Corporation | www . hilti . ca | 1-800-363-4458
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