Anchor Fastening Technical Guide , Edition 22
MATERIAL SPECIFICATIONS
Carbon steel with electroplated zinc-nickel plating
• Carbon steel anchor components plated in accordance with ASTM F1941 to a minimum thickness of 5 μm .
• Nuts conform to the requirements of ASTM A563 , Grade A , Hex .
• Washers meet the requirements of ASTM F844 .
• Expansion sleeves ( wedges ) are manufactured from carbon or stainless steel .
• Nuts and bolts are finished with a proprietary coating . Only Hilti KB-TZ2 nuts can be used with KB-TZ2 bolts .
• Carbon steel bolts are manufactured from carbon steel .
Stainless steel
• All nuts and washers for type 304 anchors are made from type 304 stainless .
• All nuts and washers for type 316 anchors are made from type 316 stainless .
• Nuts meet the dimensional requirements of ASTM F594 .
• Washers meet the dimensional requirements of ANSI B18.22.1 , Type A , plain .
• Expansion sleeve ( wedges ) are made from stainless steel .
• Nuts and bolts are finished with a proprietary coating . Only Hilti KB-TZ2 nuts can be used with KB-TZ2 bolts .
• Stainless steel 304 bolts are manufactured from AISI Type 304 stainless steel .
• Stainless steel 316 bolts are manufactured from AISI Type 316 stainless steel .
INSTALLATION PARAMETERS
Table 1 — Hilti KB-TZ2 setting information for installation in concrete and grout-filled concrete masonry units ( CMU ) 1
3.3.5
Nominal anchor diameter ( in ) |
Setting information |
Symbol |
Units |
1 / 4 |
3 / 8 |
1 / 2 |
5 / 8 |
3 / 4 |
1 |
Nominal bit diameter |
d o
|
in . |
1 / 4 |
3 / 8 |
1 / 2 |
5 / 8 |
3 / 4 |
1 |
Effective minimum embedment
Nominal minimum embedment in . 1-1 / 2 1-1 / 2 2 2-1 / 2 1-1 / 2 2 2 2-1 / 2 3-1 / 4 2-3 / 4 3-1 / 4 4 3-1 / 4 3-3 / 4 4-3 / 4 4 5-3 / 4 h ef
( mm ) ( 38 ) ( 38 ) ( 51 ) ( 64 ) ( 38 ) ( 51 ) ( 64 ) ( 83 ) ( 70 ) ( 83 ) ( 102 ) ( 83 ) ( 95 ) ( 121 ) ( 102 ) ( 146 ) in . 1-3 / 4 1-7 / 8 2-1 / 2 3 2 2 ) 2-1 / 2 3 3-3 / 4 3-1 / 4 3-3 / 4 4-1 / 2 4 4-1 / 2 5-1 / 2 4-5 / 8 6-3 / 8 h nom
( mm ) ( 44 ) ( 48 ) ( 64 ) ( 76 ) ( 51 ) ( 64 ) ( 76 ) ( 95 ) ( 83 ) ( 95 ) ( 114 ) ( 102 ) ( 114 ) ( 140 ) ( 117 ) ( 162 ) in . 2 2 2-3 / 4 3-1 / 4 2-1 / 4 2 2-3 / 4 3-1 / 4 4-1 / 4 3-3 / 4 4-1 / 4 4-3 / 4 4-1 / 4 4-3 / 4 5-3 / 4 5 6-3 / 4
Min . hole depth h o
( mm ) ( 51 ) ( 51 ) ( 70 ) ( 83 ) ( 57 ) ( 70 ) ( 83 ) ( 108 ) ( 95 ) ( 108 ) ( 121 ) ( 108 ) ( 121 ) ( 146 ) ( 127 ) ( 171 ) in . 5 / 16 7 / 16 9 / 16 11 / 16 13 / 16 1-1 / 8
Fixture hole diameter d h ( mm ) ( 7.9 ) ( 11.1 ) ( 14.3 ) ( 17.5 ) ( 20.6 ) ( 28.6 )
Concrete
Grout-filled
CMU
Installation torque Carbon steel
Installation torque Stainless steel
Installation torque Carbon steel
Installation torque Stainless steel
T inst , conc
|
ft-lb
( Nm )
|
4
( 5 )
|
30
( 41 )
|
50
( 68 )
|
40
( 54 )
|
110
( 149 )
|
185
( 251 )
|
T inst , conc
|
ft-lb
( Nm )
|
6
( 8 )
|
30
( 41 )
|
40
( 54 )
|
60
( 81 )
|
125
( 169 )
|
185
( 251 )
|
T inst , CMU
|
ft-lb
( Nm )
|
4
( 5 )
|
15
( 20 )
|
25
( 34 )
|
30
( 41 )
|
50
( 68 )
|
N / A
N / A
|
T inst , CMU
|
ft-lb
( Nm )
|
6
( 8 )
|
15
( 20 )
|
25
( 34 )
|
35
( 48 )
|
50
( 68 )
|
N / A
N / A
|
1 Shaded cells are not applicable for installations in grout-filled CMU . 2 Design information for h ef
= 1-1 / 2 is only applicable to carbon steel ( CS ) KB-TZ2 bolts .
Hilti KWIK Bolt TZ2 Fracture Load ( lb ) 1
|
Nominal Anchor Diameter
( in )
|
Carbon Steel |
Stainless Steel |
1 / 4 |
2920 |
2920 |
3 / 8 6490 6180 1 / 2 11240 11870 5 / 8 17535 18835 3 / 4 25335 f uta
≥ 105 , f y ≥ 84 2
1 f uta ≥ 88 , f y
≥ 75 2 f uta ≥ 99.9 , f y
≥ 65 2
1 Bolt fracture loads are determined by testing in a universal tensile machine for quality control at the manufacturing facility . These loads are not intended for design use .
2 All 3 / 4-in . stainless steel , all 1-in . carbon steel and all 1-in . stainless steel material strengths specified by the tensile and yield strengths expressed in ( ksi ). Bolt fracture loads not applicable for these models .
Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.3.5 KWIK BOLT TZ2 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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