Explore Emerson
Select a Country
  • {{country.Text}}
Select a Language

30.5 mm Step Bit

Cat #: GSBM305
UPC #: 783310082019

30.5 mm Step Bit

Cat #: GSBM305
UPC #: 783310082019
  • Durable split-point tip for fast, accurate material penetration.​
  • Patented split-step design optimizes chip load for fast, smooth cutting, and more holes per charge.​
  • Progressive cutting edges provide balanced aggression to maximize torque efficiency and minimize stalling.​
  • Improved double flute design for superior chip evacuation, cutting speeds and tool life.​
  • Three-flat shank for all 1/2” drill chucks.​
  • Laser markings for quick, easy product and size identification.
  • Replaced 36020
Show Less
Read More


Type Multi-hole Step Bit
Application Cuts mild steel, aluminum, brass, copper, wood, fiberglass, plastics and laminates
Number of Drill Stages 14
Minimum Drill Diameter 6 mm
Maximum Drill Diameter 30.5 mm
Maximum Sheet Metal Thickness 10 Gauge (3.5 mm)
*Greenlee® may make improvements and/or changes in the specifications of products at any time, in its sole discretion, without notice or obligation and further reserves the right to change or discontinue models.