Irwin Tools Irwin 11104 Unibit4M 4-Millimeter to 22-Millimeter by 3/8-Inch Shank Step Drill Bit

Irwin Tools Irwin 11104 Unibit4M 4-Millimeter to 22-Millimeter by 3/8-Inch Shank Step Drill Bit Drill Multiple Hole Sizes with One Bit. IRWIN® Unibit® Step Drill Bits make precise clean holes in a variety of thin materials including stainless steel, copper, brass, aluminum, plastic, and laminates. Offered in single and double flute designs, Unibit® Step Drill bits have precise step control and SpeedPoint™ tip for fast starts. Unibit® double-flute designs accelerate your drilling with 2X Faster Drilling* versus a single-flute design. FEATURES SPEEDPOINT™ TIP FOR FAST STARTS DOUBLE FLUTE DESIGN, 2X FASTER DRILLING* USE WITH AN IMPACT OR STANDARD DRILL SPECIFICATIONS DIAMETER : 20 mm - 40 mm NUMBER OF STEPS : 10 Steps MATERIAL : High Speed Steel  SHANK TYPE : Round TOOL FLUTE TYPE : Spiral UPC : ‎038548111049 WEIGHT : .09 lb MEASURMENT SYSTEM : Metric , Imperial