TRAPBOORSET HSS 2608588069 (3ST)BOSCH

Product description

• 3-piece step drill bit set HSS-AlTiN 4-12; 4-20; 6-30 mm
• Smooth drilling of various diameters with one drill bit
• Stairway drill bit HSS-AlTiN can make 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-AITiN 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 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 drill has a 3-surface shank.
• The step drill is made of HSS (High-Speed Steel) and coated with AlTiN (aluminium titanium nitride).
• This ensures maximum service life when coolant is used.
• Using laser, the hole diameters in both spiral grooves are clearly visible and durably marked.
• 3-plane shank for drills.