HSS Spiral Step Drill Bit 5-Piece Set

FEATURES

INDUSTRIAL-GRADE HSS - Crafted from premium high-speed steel with a nitride coating, these bits offer exceptional hardness and wear resistance, ensuring they can tackle tough materials like stainless steel and provide a long service life.

PRECISION FOUR-FLUTE DESIGN - The advanced four-spiral-flute engineering provides superior stability and faster chip removal compared to standard bits. This reduces heat and wobbling, resulting in cleaner, more accurate holes with less effort.

VERSATILE 5-PIECE SET - This comprehensive set includes five different bits covering a wide range of hole sizes from 1/8" to 1-3/8". It equips you to handle various drilling tasks without needing multiple individual bits.

WIDE APPLICATION - Perfect for drilling clean holes in a variety of materials, including stainless steel, aluminum, wood, and plastic. It's an essential tool for DIY projects, automotive repairs, and professional electrical installations.

CLEAR LASER MARKINGS - Each step is clearly marked with laser-etched size indicators that won't wear off. This allows for quick and accurate hole size selection, eliminating guesswork and improving your drilling precision and efficiency.

SPEC

Material: High-Speed Steel (HSS)

Shank Type: 1/4" & 3/8" Hex Shank

Bit Sizes: 3/16"-1/2" (6 Steps), 1/8"-1/2" (13 Steps), 1/4"-3/4" (9 Steps), 3/16"-7/8" (12 Steps), 3/16"-1-3/8" (19 Steps)

Package Includes: 

1 * HSS Spiral Step Drill Bit

Or 3/5 * HSS Spiral Step Drill Bits + 1 * Storage Case

NOTES

Always wear appropriate safety glasses when drilling.

Use cutting fluid or oil when drilling hard metals to extend bit life and prevent overheating.

Ensure the bit is securely fastened in the drill chuck before operation.