- HIGH PERFORMANCE: Optimized for portable drill users, works well on curved and metal surfaces
- PRECISION CONTROL: Faster starts with TURBOMAX feature-point tip that eliminates walking
- CORROSION RESISTANCE: Black and gold oxide coating prevents corrosion for longer bit life
![Irwin® Turbomax 3/8", Reduced Shank HSS Drill Bits, 15/32", #IR-73630ZR (3/Pkg) Irwin® Turbomax 3/8", Reduced Shank HSS Drill Bits, 15/32", #IR-73630ZR (3/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/256447/449942/73625Z__84832.1669761109.jpg?c=2)