Sintered Diamond Core Bit 3/8"

TroxellUSA Premium Pro-Grade Diamond Core Bits SKU# 21-600-38 Size: 3/8" Side diamond dots help prevent binding & slab cracking. Leaves flange clean & promotes fast coring. Standard 5/8" thread or use 21-600A Adaptor to use with drills. 1-3/8" works for most plumbing fixtures. It is recommended to use water to extend the life of all diamond products. You can use a spray bottle with water. Other sizes available. Features: Premium Grade Diamond Core bit Sintered diamonds Standard 5/8" thread Use 21-600A adapter for drills (sold separately)