Irwin® Unibit® Step Drill Bit, 4-22 mm, HSS, 10 Steps

Description

Irwin® Unibit® Step Drill Bit, Metric, 4 mm Diameter Minimum Hole, 22 mm Diameter Maximum Hole, 2-7/8 in Overall Length, 10 Steps, 2 mm Step Depth, 10 Hole, 1 Flutes, 10 mm/12 mm/14 mm/16 mm/18 mm/20 mm/22 mm/4 mm/6 mm/8 mm, 3/8 in Shank, 3-Flat Shank, Self-Starting SpeedPoint® Point, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel

Features:

• Single flute cutting edge for greater control through steps
• 3 flatted shank prevents slipping in drill chuck
• New speed point tip penetrates faster than previous Unibit® and prevents walking
• Also available with titanium nitride coating for longer life
• Geometry of single flute cutting edge drills true, round holes and provides maximum step control
• Laser etched sizes inside flute for easy and permanent hole size identification

Applications:

For drilling holes into thin materials

Applicable Materials	Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel
Cutting Edge Material	HSS
Finish	Bright
Hole Sizes Cut	10 mm/12 mm/14 mm/16 mm/18 mm/20 mm/22 mm/4 mm/6 mm/8 mm
Material	HSS
Maximum Hole Diameter	22 mm
Minimum Hole Diameter	4 mm
Number of Flutes	1
Number of Hole Sizes	10
Number of Steps	10
Overall Length	2-7/8 in
Point Type	Self-Starting SpeedPoint®
Shank Size	3/8 in
Shank Type	3-Flat
Step Depth	2 mm
Manufacturer	Irwin® Unibit®