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Edmondson Supply will be closed Wednesday, December 24th through Sunday, December 28th to celebrate Christmas. Final guaranteed shipping time for expedited services is 12pm EST Tuesday, December 23rd. Regular shipping will resume Monday, December 29th.
Edmondson Supply will be closed Wednesday, December 24th through Sunday, December 28th to celebrate Christmas. Final guaranteed shipping time for expedited services is 12pm EST Tuesday, December 23rd. Regular shipping will resume Monday, December 29th.

Greenlee GSB01 1/2" Step Bit (#1)

$31.22
SKU GSB01
Currently 3 in stock.

Greenlee GSB01 1/2" Step Bit (#1)

  • 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 34401
  • Also available for sale in a carton, qty. 25 (Cat #: GSB01-B UPC #: 783310082057)

Product Specifications:

Type Multi-hole Step Bit
Application Cuts mild steel, aluminum, brass, copper, wood, fiberglass, plastics and laminates
Number of Drill Stages 13
Minimum Drill Diameter 1/8" (3.2 mm)
Maximum Drill Diameter 1/2" (12.7 mm)
Maximum Sheet Metal Thickness 10 gauge (3.5 mm)


GSB Series Step Bits Datasheet