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HSS SMART STEP combination tap bit
The short HSS combination screw tap with unique SMART STEP technology for highly precise drilling, thread cutting and countersinking/deburring in a single operation.
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Variants
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3 in 1: Drilling, thread cutting and countersinking/deburring in just one operation
No tool change required, saves time and costs
The first combination screw tap with step drill tip geometry
- Up to 100 % faster than conventional HSS combination screw taps
- Optimal centring when working on curved surfaces
- Highly precise circular holes are the perfect preparation for high-quality subsequent thread cutting
- Drilling with less strain
Through hole thread true to gauge according to ISO 2 (6H)
1/4 hex shank
Prevents turning in the drill chuck, ensures optimal power transmission and protects the drill chuck from damage
Sustainable product packaging made from 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® in Bronze
Available exclusively from Wurth
- Generally only suitable for through hole threads with a material thickness of max. 1xD
- Countersinks according to DIN74-1 for countersunk head screws (according to DIN 7991) are not possible
- For use in cordless drill drivers, handheld drills, drill presses and on pillar drills.
- Perfect for through holes in aluminium, brass and plastics up to 1xD (e.g. M6 = 6 mm material thickness).
- Also ideal for machining sheet metal made from unalloyed and alloyed steels up to 600 N/mm², and from malleable iron
- Significantly reduce the rotation speed for thread cutting and countersinking/deburring after drilling. The recommended cutting parameters for the various materials and tool diameters can be found in the cutting parameter overview.
- Use sufficient coolant and lubricant.
- Ensure to work perpendicular to the material. Avoid tilting: Risk of tool breakage!
- All threads of the combination screw tap must be through and out of the hole before reversing it. Otherwise the tool or the cutting edges might break.
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