Bosch punta a gradini HSS 4-12 mm, 9 gradini, gambo a 3 facce, lunghezza 66,5 mm 2608587425

Step drill bit in high-speed steel for enlarging holes in sheet metal, non-ferrous metals, plastics and wood. The self-centering tip and 9 steps from 4 to 12 mm allow clean, burr-free holes without a pilot drill.

Advantages

The 3-flat shank prevents slipping in the drill chuck, and the right-hand cutting direction ensures fast progress. The bright finish reduces friction and heat build-up.

Suitable for

• Sheet metal up to 4 mm thick
• Non-ferrous metals such as aluminium and copper
• Plastics and wood

Key specifications

• Drill bit type: Step drill bit
• Material: High-speed steel (HSS)
• Drilling diameter range: 4–12 mm
• Number of steps: 9
• Step increments: 1 mm
• Total length: 66.5 mm
• Shank type: 3-flat shank
• Shank diameter: 6.5 mm
• Cutting direction: Right-hand
• Self-centering tip: Yes
• Deburring capability: Yes
• Finish: Bright (uncoated)
• Packaging quantity: 1 piece

Recommendations

Use a cutting fluid when drilling metal to extend tool life. Suitable for corded and cordless drills with a 3-jaw chuck.