Stepped Drill Bit

This high-speed steel step drill bit is designed for drilling multiple-sized holes in various materials. The stepped design allows drilling holes with diameters from 4mm to 22mm using a single bit.

STEP DRILL BIT - Image 1

Technical Specifications

Product Overview

Versatile Multi-Size Drilling

This high-speed steel stepped drill bit is engineered for precision and efficiency across a variety of professional applications, including electrical, plumbing, and HVAC work. Its innovative stepped design allows for the drilling of multiple hole diameters ranging from 4mm to 22mm with a single tool, streamlining workflows and reducing the need for constant bit changes. Constructed from durable high-speed steel, this bit ensures long-lasting performance and reliable results in diverse materials.

Technical Specifications

Drilling Range

  • 4
  • 6
  • 8
  • 10
  • 12
  • 14
  • 16
  • 18
  • 20
  • 22

Maximum Material Hardness

25 HRC
Hardness Rating

Compatible Materials
Carbon steel plateThin iron plateStainless steelInsulation plateWood plate
Tool Material
High-Speed Steel

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