Product Technical Guides : US-EN Anchor Fastening - August 2021 | Page 381

Anchor Fastening Technical Guide , Edition 22
MATERIAL SPECIFICATIONS
Carbon steel with electroplated zinc
• Hilti KB1 anchor bodies manufactured from carbon steel with Fe / Zn plating per ASTM F1941 to a minimum thickness of 5 μm .
• Nuts conform to the requirements of ASTM A563 , Grade A , Hex .
• Washers conform to the requirements of ASTM F844 .
• Expansion sleeves ( wedges ) are manufactured from carbon steel .
INSTALLATION PARAMETERS
Table 1 — Hilti KB1 setting information for installation in concrete and grout-filled concrete masonry units ( CMU )
Nominal anchor diameter ( in )
Setting information
Symbol
Units
3 / 8
1 / 2
5 / 8
3 / 4
Nominal drill bit diameter
d o
in .
3 / 8
1 / 2
5 / 8
3 / 4
Effective minimum embedment
h ef
( mm )
( 38 )
( 51 )
( 51 )
( 83 )
( 70 )
( 102 )
( 83 )
( 121 )
in .
1-1 / 2 1
2
2
3-1 / 4
2-3 / 4
4
3-1 / 4
4-3 / 4
Nominal minimum embedment
h nom
( mm )
( 48 )
( 60 )
( 60 )
( 92 )
( 83 )
( 114 )
( 102 )
( 140 )
in .
1-7 / 8 1
2-3 / 8
2-3 / 8
3-5 / 8
3-1 / 4
4-1 / 2
4
5-1 / 2
Minimum hole depth
h 0
( mm )
( 54 )
( 70 )
( 70 )
( 108 )
( 95 )
( 121 )
( 108 )
( 146 )
in .
2-1 / 8 1
2-3 / 4
2-3 / 4
4-1 / 4
3-3 / 4
4-3 / 4
4-1 / 4
5-3 / 4
Fixture hole diameter
d h
( mm )
( 11.1 )
( 14.3 )
( 17.5 )
( 20.6 )
in .
7 / 16
9 / 16
11 / 16
13 / 16
Installation torque Concrete
T inst , conc
( Nm )
( 27 )
( 54 )
( 81 )
( 149 )
ft-lb
20
40
60
110
Installation torque Grout-filled CMU
T inst , CMU
( Nm )
( 20 )
( 34 )
( 47 )
( 68 )
ft-lb
15
25
35
50
3.3.9
1 Effective embedment , h ef
= 1-1 / 2-in . not applicable for grout-filled CMU base material .
Figure 1 — Hilti KB1 setting information for installation in concrete and grout-filled ( CMU )
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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