Unibit #3M  6mm - 18mm Step Drill  Metric Self-Starting in 2 mm Ibcrement and 7 hole sizes

Peterson Ind # 11103 # 3M

Made in USA  


Mfg by Old "American Tool Company" Before Irwin Bought it. Made in USA 
In Metric Size  cover:
6MM, 8MM,10MM, 12MM ,14MM, 16MM, & 18MM' no more in market for made in USA

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Single-flute cutting edge for greater control through steps
3 flatted shank prevents slipping in drill chuck
Also available with titanium nitride coating for longer life
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking

Number of Holes 7 steps
Maximum Material Thickness 5mm

  • 6X longer life vs. the competition
  • M35 grade Cobalt High Speed Steel
  • Radial concave flute
  • Speedpoint™ tip
  • Hole sizes: 6mm - 18mm, number of holes: 7 steps; 2mm increments

Laser marked sizes.

3M 7 HOLE SIZES (6MM-18MM) 2MM INCREMENTS
Full Specifications
Weight0.200000
BrandVise Grip Peterson Ind
What It DoesCOMBO
Diameter6 mm - 18 mm
Drill Bit TypeStep
Point Designspeed point
Shank DesignThree-Flatted
Material UpperHigh Speed Steel
Package TypeCarded
Performance RatingGeneral
Shank Size6 mm - 18 mm 3/8" Shank
Country of OriginUSA
ItemDrill Bit

                   Photo
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