Multi-Size Versatility: This step drill bit includes twelve precise sizes from 3/16 to 7/8 inch (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8 inch) for versatile applications
Long-Lasting Sharpness: The step bit is made of cobalt high-speed steel with an AlTiN coating to withstand wear and stay sharp. It is ideal for stainless steel, metal sheets, and other tough materials
Optimized Cutting Angle: Our step drill bit for metal features a 118° tip and four-flute design, ensuring fast chip clearing, less heat buildup, and clean, burr-free holes in wood, plastic, and fiberglass
Universal Quick-Change Shank: Hex shank design fits almost all standard drills for quick, secure bit changes. This metal step drill bit is compatible with a wide range of power tools for DIYers and pros alike
Wide Application: For materials up to 1/8" (3 mm) thick, this step drill bit for stainless steel works seamlessly on stainless steel, sheet metal, wood, plastic, and fiberglass. It is essential for both home renovation and industrial applications
If Only They were a little bit cheaper it'd be five stars
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Jim
Reviewed on Feb 17,2026
Great bits, cut through Stainless Brake disk with no issues
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Lonnie
Reviewed on Jan 02,2026
This is by far the toughest, most durable and best step drill bit I have ever tried. I'm sold. Nothing but these from now on. ... AWESOME!
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Timber
Reviewed on Oct 11,2025
I needed to enlarge a 0.75 hole to 0.875, but the catch was that it was cutting thru 0.75 thick mild steel on a backhoe. I really thought this bit would just snap.. but it powered thru the task with ease. Two holes completed and just as sharp as new. Thank you, Vevor!
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MACK
Reviewed on Aug 27,2025
I was able to make a one inch hole into this sheet metal panel to run electrical conduit. What a breeze with this drill bit.
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See all 5 reviews
About this item
Product specification
Item Model Number
3/16–7/8
Material
M35 Cobalt High-Speed Steel
Max Diameter
7/8 inch / 22.2 mm
Set Includes
1 Piece
Surface Finish
TiAlN Coated
Blade Type
Spiral
Flute Style
4-Flute Spiral
Shank Type
1/4" Hex
Tip Angle
118°
Net Weight
0.15 lbs / 0.068 kg
Product Dimensions (L x W x H)
3.35 x 0.87 x 0.87 in / 85 x 22.2 x 22.2 mm
Description
7/8 inch High-Speed Steel Step Drill Bit
This step drill bit provides 12 different hole diameters for maximum flexibility across your drilling projects. One purchase meets your needs—no constant tool changes required.
Our step bit is coated with TiAlN for high hardness and smooth cutting, and crafted from cobalt high-speed steel with heat treatment for superior strength and toughness. Designed for both professional metalworking and DIY projects, it delivers a long service life.
Four spiral flutes speed up chip evacuation for smoother, uninterrupted drilling, especially on hard materials. Our step drill bit for metal helps achieve cleaner, more precise holes.
The metal step drill bit for metal features a 118° design to provide accurate positioning and smoother starts. The sharp tip minimizes bit walking, ensuring each hole is drilled exactly where you want it.
This step drill bit for stainless steel is ready for wood, metal, plastic, and more—making it an all-in-one solution for your varied drilling needs.
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