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Edmondson Supply will be closed May 24th 2024. Final guaranteed shipping time is 12pm EST Thursday, May 23rd. Regular shipping will resume Tuesday, May 28th.
Edmondson Supply Will Be Closed May 24th 2024. Final guaranteed shipping time is 12pm EST Thursday, May 23rd. Regular shipping will resume Tuesday, May 28th.

Greenlee GSB12 1-3/8" Step Bit (#12)

Save 4%
Original price $89.25
Current price $85.79
SKU GSB12
Currently 3 in stock.

Greenlee GSB12 1-3/8" Step Bit (#12)

  • 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 provides power tool accessory 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 36414
  • Also available for sale in a carton, qty. 25 (Cat #: GSB12-B UPC #: 783310082064)

Product Specifications:

Type Multi-hole Step Bit
Application Cuts mild steel, aluminum, brass, copper, wood, fiberglass, plastics and laminates
Number of Drill Stages 4
Minimum Drill Diameter 3/16" (4.8 mm)
Maximum Drill Diameter 1/8" (3.2 mm)
Maximum Sheet Metal Thickness 10 gauge (3.5 mm)


GSB Series Step Bits Datasheet