1/4 to 1-3/8 Inch HSS Step Drill Bit for Metal, Plastic, Wood, Heavy Duty Unibit with Multi Hole Sizes

1/4 to 1-3/8 Inch HSS Step Drill Bit for Metal, Plastic, Wood, Aluminum, Heavy Duty Unibit with Multi Hole Sizes, 3/8 Tri-Flatted Shank, M2 High Speed Steel

1/4 to 1-3/8 Inch HSS Step Drill Bit for Metal, Plastic, Wood, Heavy Duty Unibit with Multi Hole Sizes

TiAlN coating provides exceptional oxidation resistance and extreme hardness. That's why this coating works well in very demanding cutting tool applications, especially when tools are being pushed to the max. 3/8 inch- Generally 3 flats designed to allow a strong chuck grip on the shank. Reduces the possibility of the drill slipping in the chuck during tough drill applications. 1/4 inch- The hex shank has the advantage of a more positive grip in the chuck. Also, if the hex shank set has all the same size hex shafts, it makes changing bit sizes much easier. Also makes going from drill to screwdriver tip/holder much easier. Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).

Key Features

• ✅ ?QUALITY?- Made with heavy duty High Speed Steel for powerful punching and drilling of clean holes.
• ✅ ?DURABLE?- Coated in HSS and TiAIN nitride for maximum durability.
• ✅ ?SAFETY AND STABILITY?- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
• ✅ ?CONVENIENT?- Split point tip at 118 degrees for increased wear resistance. The dual edge design provides a smoother cut and allows material particles to easily escape for a cleaner drilling operation.
• ✅ ?SIZES?- 3/8"Dr. 1/4", 11/32", 27/64", 1/2", 19/32", 11/16", 25/32", 7/8", 31/32", 1-3/64", 1-1/8", 1-7/32", 1-1/4", 1-5/16", 1-3/8"

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