NPU Knockout sets (1/2 to 2”) / ( 12.7 mm to 50.8 mm) or (2-1/2 to 4”) / (63.5 mm to 101.6 mm)

About this product

This page collects every official document Hilti publishes for the NPU Knockout sets (1/2 to 2”) / ( 12.7 mm to 50.8 mm) or (2-1/2 to 4”) / (63.5 mm to 101.6 mm) — so you can install, troubleshoot, or check warranty terms without hunting through a drawer.