Bordo 8031-S1 3pce Metric Spiral Flute Hex Shank HSS Step Drill Set

Bordo 8031-S1 3pce Metric Spiral Flute Hex Shank HSS Step Drill Set

Ideal for electrical contractors, sheetmetal workers and auto mechanics. Step drills are designed for drilling repetitive holes in steel, stainless steel, copper, brass, aluminium, plastic, plexiglas, laminates and many other thin materials. Specifically engineered for use in impact drivers these step drills are also fully compatible with conventional rotary drills. 1/4" hex shank facilitates fast tool loading in cordless impact drivers and quick change adaptors.

Includes:

• 1 x 4-12 x 1mm Spiral Flute Hex Shank HSS Step Drill
• 1 x 4-20 x 2mm Spiral Flute Hex Shank HSS Step Drill
• 1 x 4-30 x 2mm Spiral Flute Hex Shank HSS Step Drill

Features:

• No Pilot Hole Required
• Easy to Sharpen
• Step Depth Between 4.0-5.0mm
• Stepless Drilling in the thinnest sheets
• Burr-free Drilling without sheet deformation
• Automatic Deburring
• Sprial Flutes enable easier tool penetration

Suitable for:

• Steel
• Stainless Steel
• Copper
• Brass
• Aluminium
• Plastic
• Plexiglass
• Laminates
• Other thin materials

Specifications:

• 4-12 x 1mm Spiral Flute Hex Shank HSS Step Drill
  
  • Diameter Min/Max: 4/12
  • Increment: 1mm
  • Step Depth: 4mm
  • Shank Diameter: 1/4" Hex
  • Overall Length: 65
• 4-20 x 2mm Spiral Flute Hex Shank HSS Step Drill
  • Diameter Min/Max: 4/20
  • Increment: 2mm
  • Step Depth: 5.5mm
  • Shank Diameter: 1/4" Hex
  • Overall Length: 74mm
• 4-30 x 2mm Spiral Flute Hex Shank HSS Step Drill
  • Diameter Min/Max: 4/30mm
  • Increment: 2mm
  • Step Depth: 5mm
  • Shank Diameter: 1/4" Hex
  • Overall Length: 100mm