HMT 505020-SET2 VersaDrive Step Drill Bit Set: 12, 22, 30, 40mm

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HMTOur Code: 8615 HMT's Code: 505020-SET2 Shelf: HMT03 Group: 156

Price (per set):
£266.65 £317.45

Incl. Tax: £319.98

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Features

  • Market leading 5mm step thickness
  • Spiral flute design for fast, smooth drilling
  • Size markings etched at each step for easy identification
  • 118° split point angle for easy hole start and pilot accuracy
  • Industrial grade Titanium Nitride (GoldMax) coating reduces heat buildup and burn-out
  • Dual hardening process provides impact rating and up to 15× faster speed than traditional methods
  • Heavy-duty non-slip hex shank for secure operation
  • Compatible with standard 1/2" drill chucks and VersaDrive Rapid Lock adapters
  • Optimized for use with impact wrenches and impact drivers
  • Produces quality results on stainless steels and Inox (rotary application recommended)
  • Excellent life and performance with rotary pistol drills or drill presses
  • Suitable for stainless and harder materials when used at low RPM
  • Use appropriate lubrication and correct RPM to achieve long tool life

Specifications

Last Modified 28/06/2025, 08:25:05
EAN Code 5060674925608
Data Sheet https://cdn.shopify.com/s/files/1/0340/0965/files/Step_Drill_Data_Sheet_11474f33-3b3b-4729-906a-fa9261f23c23.pdf?v=1674127417
Step Sizes 12, 22, 30, 40 mm
Maximum Step Thickness 5 mm
Flute Design Spiral flute with self-starting tip
Split Point Angle 118°
Coating Industrial grade Titanium Nitride (GoldMax)
Shank Type Dual hardened non-slip hex shank
Shank Compatibility Standard 1/2" drill chucks and VersaDrive Rapid Lock adapters
Impact Rating Dual hardening process for impact use, up to 15× faster speed
Compatible Tools Impact wrenches, impact drivers, rotary drills, drill presses, magnetic drills (with adapter)
Material Suitability Structural steel (<1000 MPa), stainless steel (Inox), aluminium, cast iron, plastics
Recommended Torque Range 280–750 Nm (depending on diameter)
Recommended RPM Range 3100–1200 to 260–230 RPM (depending on diameter)
Size Markings Laser etched at each step
Kit Contents 4 pc set in small insert foam case

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