Millenium® B828/B5500 HR Standard Welded Adapter

The B828/B5500 Standard bit has the longest life and lowest cost per hole when drilling a wide range of medium to hard materials with or without steel reinforcing. Also for soft concrete and masonry block. Maximum performance bits designed for longest life and fastest cutting. Crown segments and standard segments are used on bits less than 2" diameter. Bits 2" diameter and above are segmented and welded.

0.39-20 "