2-1/4" H-THREAD CARBIDE ROCKBIT BRUNNER & LAY

Description:

Full size tungsten carbide inserts, which resist gauge wear and abrasion, makes this most popular item. The design allows for multiple sharpenings and continued reuse until the inserts are consumed.

Features:

    •  Cross-bit configuration
    •  Bit allows air through to keep hole free of debris
    •  Resharpen and reusable

Specifications:

Thread Type H-Thread
Diameter 2-1/4 "