HILTI KB-TZ2 Wedge Anchor Instructions

June 3, 2024
HILTI

HILTI KB-TZ2 Wedge Anchor

Installation Instructions


KB-TZ2 Wedge Anchor Installation illustration

Symbol Setting Information Units
HDB Hollow Drill Bit
DRS Dust Removal Systems
AT-System Adaptive Torque System**
Diamond Core Bit
d0 Drill Bit Diameter [inch]
hef Effective Embedment Depth [inch]
hnom Nominal Embedment Depth [inch]
h0 Minimum Hole Depth in Base Material [inch]
Tinst, concrete Installation Torque Concrete carbon steel
SS304, SS316 [ft-lb]
Tinst, grout filled CMU Installation Torque Grout-Filled CMU carbon steel

[ft-lb]
SS304, SS316| [ft-lb]
dh| Fixture Hole Diameter| [inch]
WS| Wrench Size| [inch]
Anchor Diameter [inch]

¼| | ½| | ¾| 1
–| –| ✔| ✔| ✔| ✔
✔| ✔| ✔| ✔| ✔| ✔
–| ✔| ✔| ✔| –| –
–| ✔| ✔| ✔| ✔| ✔
¼| ⅜| ½| ⅝| ¾| 1
1½| 1½| 2| 2½| 2| 2½| 3¼| 2¾| 3¼| 4| 3¼| 3¾| 4¾| 4| 5¾
1¾| 1⅞| 2½| 3| 2½| 3| 3¾|  | 3¾| 4½| 4| 4½| 5½| 4⅝| 6⅜
2| 2| 2¾| 3¼| 2¾| 3¼| 4¼| 3¾| 4¼| 4¾| 4¼| 4¾| 5¾| 5| 6¾
4| 30| 50| 40| 110| 185
6| 30| 40| 60| 125| 185
4| 15| 25| 30| 50| –
6| 15| 25| 35| 50| –
5⁄16| 7⁄16| 9⁄16| 11⁄16| 13⁄16| 1⅛
7⁄16| 9⁄16| 3⁄4| 15⁄16| 1⅛| 1½

only carbide-tipped masonry drill bits complying with ANSI B212.15.1994

  • For steps 1a or 1b, make sure to drill deep enough to achieve h0, taking into account the depth of debris remaining in the hole.
    ** AT-System not applicable for grout-filled CMU and wood fastening pplications.
    For UL Listing, the ⅝” anchor is rated up to 10 NPS at a minimum of 3-¼” nominal embedment. UL Listing does not cover the ¼” anchor size.

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