HILTI KB-TZ2 Wedge Anchor
Installation Instructions
| 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 | [ft-lb] |
| 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 | ⅜ | ½ | ⅝ | 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.
