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Edmondson Supply will be closed Tuesday, December 24th & Wednesday, December 25th to celebrate Christmas. Final guaranteed shipping time is 12pm EST Monday, December 23rd. Regular shipping will resume Thursday, December 26th.
Edmondson Supply will be closed Tuesday, December 24th & Wednesday, December 25th to celebrate Christmas. Final guaranteed shipping time is 12pm EST Monday, December 23rd. Regular shipping will resume Thursday, December 26th.

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

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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