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Gold TiAlN-coated cobalt HSS step drill bit, 1/4″ hex shank, twelve stepped sizes, four spiral flutes

VEVOR

VEVOR Step Drill Bit 3/16–7/8″ 1/4″ Hex TiAlN 4-Flute

SKU CH-Y5B9-FPHRY

Drills twelve step sizes from 3/16 to 7/8 inch in metal, wood and plastic with a cobalt HSS tip and TiAlN coating

  • Twelve precise sizes from 3/16 to 7/8 inch cover many hole diameters
  • Cobalt high-speed steel with TiAlN coating resists wear and keeps edges sharp longer
  • 118° tip and four-flute spiral clear chips fast and reduce heat buildup
  • 1/4″ hex shank fits standard drills for quick, secure bit changes
  • Drills clean, burr-free holes in stainless steel, sheet metal, wood, plastic and fiberglass

Multi-Size Step Drill Bit

The VEVOR step drill bit offers twelve precise sizes from 3/16 to 7/8 inch in a single tool. It is made from M35 cobalt high-speed steel with a TiAlN coating for wear resistance. The 1/4 inch hex shank fits standard drill chucks for quick changes. This bit suits professionals and DIYers needing multiple hole diameters in thin materials.

Sheet Metal and Thin Stock Users

This bit is designed for materials up to 1/8 inch thick such as stainless steel, sheet metal, wood, plastic and fiberglass. The 118 degree tip and four-flute spiral design promote fast chip clearing and clean holes. Buyers who need to drill thicker plate or require larger diameters beyond 7/8 inch should look at a different tool.

Quick-Change Hex Shank Installation

The 1/4 inch hex shank locks into most drill chucks and impact drivers without extra adapters. Stepped drilling works best at lower speeds with steady pressure to prevent the bit from walking. Common issues include premature dulling if used on thick steel or excessive heat buildup without cutting lubricant.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 90% of the 2,412 comparable items (median $81.99).

Specifications

No published specifications for this item yet.

Questions about this item

What drill chuck size is needed to hold the 1/4" hex shank?

A standard 1/4 inch hex quick-change chuck or a three-jaw chuck that accepts 1/4 inch shanks will secure the bit for use.

Can this bit enlarge existing holes smaller than 3/16 inch in sheet metal?

The tip starts at 3/16 inch, so a pilot hole at least that large is required before the stepped profile can engage the material.

How can I confirm the 118° tip and four-flute design are cutting cleanly after setup?

Check for fast chip ejection, minimal heat buildup, and burr-free holes in metal, wood, plastic, or fiberglass up to 1/8 inch thick.

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