BOSCH 2608597519 step drill HSS 4-20, 8 x 70.5 mm

With the Bosch 2608597519 hss step drill bit, you cleanly bore multiple hole sizes without constantly swapping tools. Featuring 9 steps from 4 to 20 mm, it lets you work smoothly across thin sheet metal, stainless steel, non-ferrous metals, and plastics. The split-point tip delivers immediate, accurate centering on your workpiece, completely eliminating the need for pre-drilling or centre punching. Meanwhile, the 8 mm 3-flat shank prevents slippage in your drill chuck to ensure maximum torque transfer. It is the practical choice for effortlessly drilling, enlarging, and deburring holes in electrical enclosures, bodywork, and ducting.

Product description

• Step drill bit HSS 4-20, 8 x 70.5 mm
• Smooth drilling of various diameters with one drill bit
• HSS step drill bit can drill smooth holes of various diameters with one drill bit
• Pre-punching is unnecessary as the split tip enables easy drilling

Advantages

• Drilling various diameters - The HSS step drill bit can make smooth, burr-free holes of various diameters with a single drill bit.
• The drill bit is ideal for deburring, drilling round holes and enlarging existing holes.
• Pre-punching is unnecessary as the split tip allows easy drilling.
• The CNC ground spiral groove offers optimised chip removal and reduced vibration for uniform drilling.
• Axial and radial back grinding ensure excellent cutting performance and absolute smoothness.
• This step drill is suitable for use on thin materials, such as non-ferrous metals, sheet plastic, sheet steel, plastic and stainless steel.
• The step drill is made of HSS (High-Speed Steel) and will last a long time if coolant is used.
• Using laser, the hole diameters in both spiral grooves are clearly visible and durably marked.
• In addition, the 3-surface shank prevents slipping in the chuck and ensures high torque transfer.
• 3-surface shank for drills.