6-65mm Large Step Drill Bit HSS Spiral Groove Hole Cutter, Coated High Speed Steel Cone Drill for Metal, Wood, PVC, 13 Step Sizes

Features:*HSS with coating, High hardness, rustproof, solid and .*Increases cutting speed with self-centering and prevents walking.*Suitable to cut holes in a variety of material like iron plate, aluminum plate, insulation boards, PVC sheet, ect.*3 flute spiral design provides longer life and better chip removal.Specifications:*Product name:step drill bit*Material: High speed steel with Coated*Color: gold*Size: As picture show*Type: 6-65mm (13 Steps:6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm)Package content:1*Step Drill Bit

• [PREMIUM HSS MATERIAL] Crafted from high-speed steel with a coating, this step drill bit ensures exceptional hardness and rust resistance for long-lasting performance.
• [SELF-CENTERING DESIGN] The innovative self-centering feature increases cutting speed and prevents walking, making it for precise drilling in various materials.
• [MULTI-MATERIAL CAPABILITY] Suitable for cutting holes in a wide range of materials including iron plates, aluminum sheets, insulation boards, and PVC, enhancing its versatility for different projects.
• [3 FLUTE SPIRAL DESIGN] The unique 3 flute spiral design not only extends the lifespan of the drill bit but also promotes efficient chip removal during operation.
• [SIZING REMINDER] Available in sizes ranging from 6mm to 65mm with 13 steps; please refer to your own size chart before ordering.