lightweight aluminum body with alloy steel internal components
The spurred cutting head reduces splintering and ensures a smooth clean hole
Reduces radon gas penetration by reducing vapor transfer
Resistant to extreme cold
Straight flutes are ground to provide rapid chip removal for efficient threading also for hand threading work in a variety of materials
Irwin POWER-GRIP 50524 Masonry Drill Bit, 3/8 in Dia, Straight Shank paint--05-29-26 lightweight aluminum body with alloyCarbide tipped for long life with spear pointed tip that reduces breakouts when drilling from one side. Provides smooth, accurate drilling in applications such as ceramic tile, mirrors, glass, marble tile, vitrolite, china drilling fastener holes in bathroom tile or for wall mirror.