Professional 3-Piece Set: The step drill bit set includes a 13-step bit(1/8-1/2 in) for electronic enclosures, a 9-step bit(1/4-3/4 in) for mechanical assembly, and a 12-step bit (3/16-7/8 in) for mixed ranges, meeting diverse drilling needs
Long-Lasting Sharpness: The step bit set is made of cobalt high-speed steel with an AlTiN coating to withstand wear and stay sharp. It is ideal for stainless steel, metal sheets, and other tough materials
Optimized Cutting Angle: Our step drill bits feature a 118° tip and four-flute design, ensuring fast chip clearing, less heat buildup, and clean, burr-free holes in wood, plastic, and fiberglass
Universal Quick-Change Shank: Hex shank design fits almost all standard drills for quick, secure bit changes. These step drill bits for metal are compatible with a wide range of power tools for DIYers and pros alike
Wide Application: For materials up to 1/8" (3 mm) thick, this metal step drill bit works seamlessly on stainless steel, sheet metal, wood, plastic, and fiberglass. It is essential for both home renovation and industrial applications
Product Specification
Blade Type: Spiral
Tip Angle: 118°
Item Model Number: 1/8-1/2, 1/4-3/4, 3/16-7/8
Material: M35 Cobalt High-Speed Steel
Set Includes: 3 Pieces
Surface Finish: TiAlN Coated
Product Dimensions (L x W x H): 4.65 x 3.94 x 1.38 in / 118 x 100 x 35 mm
