Feature
●✅CORTOOL Genuine HSS M35- 6% Cobalt Steel with industrial grade AlTiN Coating, 66-69 HRC, Usually Give the Best Heat, Wear and Chip Resistance and Long Tool Life.
●✅Grinding the Cutting Edge Three Times, with the High HRC and Heat Resistance of the Material, Designed for Cutting through Stainless steel, Iron plate, Aluminum, Ducts, Wood, PVC and Plastic.
●✅This Cobalt Step Drill Bit is Typically Capable of Running Two to Three Times Faster. Despite the Higher Price, the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest, Since It Can Produce So Many More Holes.
●✅18 Steps One bit for all: 3/16" 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4" 13/16" 7/"8 15/16" 1” 1-1/16" 1-1/8" 1-3/16" 1-1/4"
●✅Jam-Free Performance: Spiral dual-flute design and three-sided shank design is optimized for cordless drills in high speed provides greater speed and control while minimizing steel scurf flying around, to lengthen service life, please do not set drilling speed at its maximum to avoid damage to the cutting edge.
Description
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For Professionals & DIY LoversCortool Step Bit HSS Cobalt M35 with Industry-grade TiAlN coating is especially designed for cutting stainless steel, hard metals, steel, ferrous and other non-ferrous metals with extraodinary cutting experience and efficiency. Total 18 Steps Suitable for all your needs to drill multiple holes. Available sizes are: 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16 1” 1.1/16 1.1/8 1.3/16 1.1/4 |
High Durability & Universal UseCortool High Speed Steel Cobalt M35 with Industry-grade TiAlN coating can reduce friction and run cooler, which ensures prolonged wear-resistance and durability. This step drill bit is able to be compatible with majority brands of electric drills or bench drills on the market. Easy to store in toolbox or pocket. |
Precision DrillingCortool step drill bit has 118° Split Point which provides fast cutting with 3-Flat Shank provides fast and precise cutting while prevents walking and shedding; Laser calibration offers accurate positioning assistance. This step drill bits are built with spiral double flutes design clears particles quickly, decreases friction and heat for a faster, cooler and clean drilling performance. |
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| 2PCS STEP BITS SET | 4PCS STEP BITS SET | 2" STEP BIT Cobalt Added | 6PCS STEP BITS SET | 5PCS STEP BITS SET | |
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| Customer Reviews | 206
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| Price | $12.92 | $14.60 | $25.79 | $19.99 | — |
| Material | HSS 4241 | HSS 4241 | HSS 4241 Cobalt Added Coating | HSS 4241 | HSS 4241 |
| Sizes | 23 Sizes | 31 Sizes | 10 Sizes | 50 Sizes | 50 Sizes |
| Applications | Soft Metal/Steel (<60HRC), Copper, Brass, Aluminium, Plastic, & Soft Wood etc. | Soft Metal/Steel (<60HRC), Copper, Brass, Aluminium, Plastic, & Soft Wood etc. | Soft Metal/Steel (<60HRC), Copper, Brass, Aluminium, Plastic, & Soft Wood etc. | Soft Metal/Steel (<60HRC), Copper, Brass, Aluminium, Plastic, & Soft Wood etc. | Soft Metal/Steel (<60HRC), Copper, Brass, Aluminium, Plastic, & Soft Wood etc. |