Castlebrook HSS step drill bit 3 piece set – 4-12mm, 4-20mm, 4-30mm M2 high speed steel in carry case

HSS Step Drill Bit 3 Piece Set | 4-12, 4-20, 4-30 | M2 High Speed Steel | Castlebrook

£43.50
Sale price  £43.50 Regular price 
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Castlebrook HSS step drill bit 3 piece set – 4-12mm, 4-20mm, 4-30mm M2 high speed steel in carry case

HSS Step Drill Bit 3 Piece Set | 4-12, 4-20, 4-30 | M2 High Speed Steel | Castlebrook

£43.50
Sale price  £43.50 Regular price 

All prices exclude VAT

Our Premium Step Drill Range: The Castlebrook HSS Straight Flute Step Drill 3 Piece Set gives you three precision-ground M2 High Speed Steel step drills in one case — covering 4-12mm, 4-20mm, and 4-30mm — so you can drill, enlarge, and deburr holes in thin sheet metal without changing tools.

Whether you're working on electrical enclosures, ducting, automotive panels, or fabrication projects, these step drills cut cleanly through sheet metal up to 2mm thick with minimal effort. Use with a lubricant to maximise the already impressive tool life.

What's in the Set

  • 4-12mm Step Drill – Steps from 4mm to 12mm
  • 4-20mm Step Drill – Steps from 4mm to 20mm
  • 4-30mm Step Drill – Steps from 4mm to 30mm

Key Features

  • M2 High Speed Steel – Premium grade for durability and heat resistance
  • Straight flute design – Clean, accurate holes in thin sheet metal
  • Manufactured to DIN 1412 C – Industry-standard specification
  • Drills, enlarges and deburrs – Three operations in one tool
  • Suitable for sheet metal up to 2mm thick
  • Lubricant recommended – Extends tool life significantly
  • Supplied in a protective carry case

Suitable For

  • Thin sheet metal (up to 2mm)
  • Electrical enclosures and panels
  • Automotive bodywork and fabrication
  • Ducting and HVAC
  • General engineering and metalwork

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