MATERIAL SPECIFICATIONS
Carbon steel bolt or threaded rod for HSL4 , HSL4-G , HSL4-B and HSL4-SK conform to the steel strength requirements of ISO 898-1 , grade 8 . 8 , f ya
> 93 ksi , f uta
> 116 ksi . Nut , washer , expansion cone , expansion sleeve and spacing sleeve are all made of carbon steel . Collapsible sleeve is made from acetal polyoxymethylene ( POM ) resin and thermoplastic elastomer ( TPE ).
INSTALLATION PARAMETERS
Table 1 — HSL4 Specifications
Details
HSL4 anchor thread diameter M8 M10 M12 M16 M20 M24
Nominal drill bit diameter 1 d bit mm 12 15 18 24 28 32
Minimum concrete thickness h min mm ( in .)
Minimum hole depth h o mm ( in .)
Effective minimum embedment h ef , min mm ( in .)
Fixture hole diameter d h mm ( in .)
Maximum thickness of part fastened HSL4 , HSL4-B
Maximum thickness of part fastened HSL4-G t fix
t fix mm ( in .)
mm ( in .)
Washer diameter d w mm ( in .)
Installation torque HSL4 T inst
Nm ( ft-lb )
Installation torque HSL4-G T inst
Nm ( ft-lb )
Installation torque HSL4-SK T inst
Nm ( ft-lb )
20 ( 3 / 4 )
80 ( 3-1 / 8 )
60 ( 2-3 / 8 )
14 ( 9 / 16 )
20 ( 3 / 4 )
20 ( 3 / 4 )
15 ( 11 )
20 ( 15 )
25 ( 18 )
40 ( 1-1 / 2 )
20 ( 3 / 4 )
20 ( 3 / 4 )
90 ( 3-1 / 2 )
70 ( 2-3 / 4 )
17 ( 11 / 16 )
25 ( 1 )
25 ( 18 )
27 ( 20 )
32 ( 24 )
40 ( 1-1 / 2 )
100 ( 4 )
25 ( 1 )
105 ( 4-1 / 8 )
80 ( 3-1 / 8 )
20 ( 13 / 16 )
30 ( 1-1 / 8 )
60 ( 44 )
60 ( 44 )
65 ( 48 )
See table 5
50 ( 2 )
25 ( 1 )
125 ( 4-7 / 8 )
100 ( 3-7 / 8 )
26 ( 1 )
40 ( 1-9 / 16 )
75 ( 55 )
70 ( 52 )
50 ( 2 )
30 ( 1-1 / 8 )
30 ( 1-1 / 8 )
155 ( 6-1 / 8 )
125 ( 4-7 / 8 )
31 ( 1-1 / 4 )
45 ( 1-3 / 4 )
145 ( 107 )
105 ( 77 )
60 ( 2-1 / 4 )
60 ( 2-1 / 4 )
30 ( 1-1 / 8 )
– –
180 ( 7-1 / 8 )
150 ( 5-7 / 8 )
35 ( 1-3 / 8 )
50 ( 2 )
210 ( 155 )
180 ( 132 )
– – –
Wrench size HSL4 , HSL4-G SW mm 13 17 19 24 30 36 Wrench size HSL4-B SW mm – – 24 30 36 41 Wrench size HSL4-SK SW mm 5 6 8 – – –
Diameter of countersunk hole HSL4-SK
1
Use metric bits only .
5 ( 1 / 5 ) d sk mm 22.5 25.5 32.9 – – –
25 ( 1 )
50 ( 2 )
10 ( 2 / 5 )
25 ( 1 )
50 ( 2 )
60 ( 2-1 / 4 )
– –
Figure 1
274 Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.3.2 HSL4 HEAVY-DUTY EXPANSION ANCHORS 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