Bit #5, 1/4 in - 1-3/8 in x 1/8 in

Milwaukee® JAM-FREE performance step drill bits feature a dual-flute design that provides up to 2X faster drilling, up to 4X longer life, and up to 50% more holes per battery charge than competitors. Ideal for drilling small and large diameter holes in steel and plastic, these bits are optimized for cordless drills in high speed. The Rapid Strike™ tip allows for a fast and accurate start that generates less heat, resulting in longer tip life. The black oxide coating also enhances durability, hole quality, and bit life. For user convenience and accuracy, each bit has laser-etched markings that you can see while drilling. The 3-flat Secure-Grip™ shank ensures a solid connection with the drill chuck. The #5 step drill bit has 10 hole sizes in 1/8 in. increments ranging from 1/4 in. to 1-3/8 in. High-speed JAM-FREE performance with most 18-volt professional cordless drills with lithium-ion battery technology.

• JAM-FREE Performance: Dual-flute design provides increased speed and control.
• Up to 2X Faster: Optimized for cordless drills in high speed.
• Rapid Strike™ Tip: Allows for fast and accurate starts and generates less heat.
• Up to 4X Longer Bit Life: Optimized geometry with black oxide coating to cut faster and produce less heat.
• Up to 50% More Holes per Battery Charge for more productivity.
• Laser etched reference marks easily stop on any hole size.
• 3-Flat Secure-Grip shanks reduce bit slipping in the chuck.
• Made in the USA.

• Height 35.1 mm 
• Width 149.4 mm 
• Length 149.4 mm 
• Weight 186 g 

• Product Type Step Drill Bit
• Drill Bit Type Step
• Bit Type Step
• Single / Double Ended Single
• Recommended Safety Equipment Safety Glasses
• Point Rapid Strike Tip
• Impact Rated No
• Set / Individual Individual
• Cutter Geometry Dual Straight Flute
• Overall Bit Length 6 po
• Shank Style 3-Flat
• Shank Diameter 3/8 po
• Drill Bit Size 3/16 po, 1/4 po, 5/16 po, 3/8 po, 7/16 po, 1/2 po, 9/16 po, 5/8 po, 11/16 po, 3/4 po, 13/16 po, 7/8 po
• Size Range 3/16 po to 7/8 po
• Style 3 Flats Shank
• Drilling Depth (in) 3
• Bit Length 3
• Number of Flutes 2
• Number of Holes 10
• Steps 10
• Step Thickness 1/8 po
• Bit Diameter 1 3/8 po
• Flute Length (in) 0.5
• Shank Diameter Inches 0.375