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Frequently Asked Questions
The BOYOUYS M35 Step Drill Bit Set is designed to drill through stainless steel, aluminum, wood, and plastic.
This set includes 34 sizes: 13 sizes from 1/8" to 1/2", 9 sizes from 1/4" to 3/4", and 12 sizes from 3/16" to 7/8".
M35 cobalt steel offers higher wear resistance, better pressure resistance, and improved durability compared to regular steel, making it ideal for tough materials.
Yes, this set features a 1/4" hex shank, making it compatible with impact drivers and standard drill chucks.
The set includes a 100% satisfaction guarantee, with a promise to refund or replace if the hexagonal handle breaks.
Recommended Uses
- Perfect for DIY enthusiasts looking to create precise holes in metal sheets for custom fabrications.
- Ideal for professional tradespeople needing reliable drill bits for installation work in stainless steel and aluminum fixtures.
- Great for woodworking projects where multiple hole sizes are required for doweling and joinery.
- Useful for hobbyists working on plastic models or crafts that require clean and accurate drilling.
- Recommended for home improvement tasks such as installing hardware or fixtures into wood or composite materials.
BOYOUYS
M35 Four Spiral Flute Step Drill Bit Set 1/8"-7/8"(3 pcs), 1/4" Hex Shank Unibit Step Drill bit, Impact Resistant M35 Cobalt Step Drill Bit, for Stainless Steel, Wood, Aluminum, Plastic
$47.63$56.04Save $8.41
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Key Features
- -【M35 Cobalt Superhard High Speed Steel】: ISI M35/1.3243/SKH55/M35 steel is a kind of high speed steel containing cobalt, which has the characteristics of high wear resistance, high pressure resistance and sintering resistance.
- -【100 extra-long warranty period】：If you have any questions about the product, please contact us and we will answer you within 12 hours. If the hexagonal handle breaks, refund or replace for 100% .
- -【Unibit step drill bit compatibility 】：Unibit step drill bit can quickly and smoothly drill holes of different diameters, such as stainless steel, aluminum, wood, plastic board (the board must be thinner than the height of the step drill)
- -【M35 four spiral groove】: Step drill bit for metal four cutting blade design. Faster, smoother cutting and easier separation of sawdust.
- -【34 Sizes :Including】:Step bit 1/8"-1/2" 13 Sizes，1/4"-3/4" 9 Sizes，3/16" - 7/8" 12 Sizes，step bits For your everyday DIY needs.
- -【TiAlN】:TiAlN coating is a new coating material in recent two years.ndustrial-grade construction ensures durability and longevity It has high hardness, high oxidation temperature, good thermal hardness, strong adhesion, low friction coefficient and low thermal conductivity coefficient.
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$47.63$56.04
