CT-046 HSS Drill Bit Set Masonry Wood Metal | Wholesale Supplier

Comprehensive HSS drill bit set manufactured from premium high speed steel with advanced surface coatings for extended tool life. Titanium nitride coating increases hardness and reduces friction for up to 3x longer life compared to standard bits. Black oxide coating provides heat resistance and corrosion protection for general purpose applications. 135-degree split point tip design self-centers on metal surfaces reducing drill walk and improving hole accuracy. Masonry bits feature brazed carbide tips for efficient concrete brick and block drilling. Brad point wood bits with precision ground center point and spurs deliver clean entry and exit holes in timber and plywood. Step drill bits provide multiple hole sizes from single bit for sheet metal work. Organized cases with labeled size slots keep bits protected and easy to locate. Set sizes from 13-piece basic to 99-piece comprehensive accommodate different user needs. Perfect for machine shops construction crews metal fabricators woodworkers automotive technicians and maintenance departments requiring quality drilling capability across multiple materials.