HSS step drill bit 6–60 mm, spiral, conical, 12 steps, for screwdriver drilling in steel, brass, wood, plastic, etc.

Step drill bit, sizes: 6–60 mm (12 steps: 6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60 mm). Shank diameter: 13 mm. Material: HSS 4241. Application: This step drill bit is suitable for workpieces with a hardness below 25°, such as carbon steel, sheet metal, insulation boards, PVC sheets, boards, and wood. Workpiece thickness: less than 5 mm. Note: Use water cooling during drilling to extend the drill bit's service life. Recommended speed: 250–400 rpm. Spiral flute: 135. The split tip and double flute ensure self-centering and deburring; the spiral flute assists chip evacuation during drilling. Features: Step drill bit with 6–60 mm pitch, suitable for workpieces with a hardness below 25°, such as carbon steel, sheet metal, insulation boards, PVC sheets, boards, and wood. Suitable for materials such as carbon steel, sheet metal, insulation boards, PVC sheets, boards, and wood. Suitable for sheet thicknesses under 5 mm. Water cooling during drilling extends the drill bit's service life. Recommended speed: 250–400 rpm. Spiral flute: 135. Double-point and double-flute design for self-centering and deburring. The spiral flute ensures better chip evacuation during drilling. Thanks to the stepped profile, holes of various sizes can be drilled with a single drill bit – essentially a complete drill set. HSS tools are suitable for most general applications and offer a combination of hardness and toughness for high wear resistance. Multifunctional: deburring, chamfering, and hole enlarging. Material: HSS 4241 steel. Type: Step drill bit. Shank type: Round shank Ø 13 mm. Quantity: 1 piece. Color: Silver. Item size: Ø 60 mm: 12 steps (6 mm, 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm). Scope of delivery: 1 x HSS step drill bit 6–60 mm