Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch With TiAlN Coated Step Drill Heads M35 Cobalt Steel HSS Jobber Bits No Pre Drilling 3 Flat Shank With Indexed Storage Case Built For Precise Drilling In Hardened Steel in opened case displaying all sizes.
Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch With TiAlN Coated Step Drill Heads for hardened steel
Drill size chart for Crostar step drill bit set with 16 sizes ranging from 1/16 to 1/2 inch, showing flute and overall sizes.
Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch with TiAlN Coated Step Drill Heads in use
Chart and drill bit illustrating lifespan of M35 TiAlN step drill heads, used in Cobalt Stepped Point Drill Bit Set 21 Pieces.
Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch With TiAlN Coated Step Drill Heads drilling metal surface
Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch With TiAlN Coated Step Drill Heads in use on metal
Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch With TiAlN Coated Step Drill Heads M35 Cobalt Steel HSS
Close-up of 135° step head of Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch With TiAlN Coated Step Drill Heads M35 Cobalt Steel HSS Jobber Bits No Pre Drilling 3 Flat Shank With Indexed Storage Case Built For Precise Drilling In Hardened Steel.

Cobalt Stepped Point Drill Bit Set 21 Pieces One Sixteenth To One Half Inch With TiAlN Coated Step Drill Heads M35 Cobalt Steel HSS Jobber Bits No Pre Drilling 3 Flat Shank With Indexed Storage Case Built For Precise Drilling In Hardened Steel

99.99 180.0080.01の節約
SKU: VXB0G1LQJ86Y
UPC: 00193019823064





TiAlN Cobalt Step Drill Bit Set for Hardened Steel, 21-Piece
✔️ 21-piece M35 cobalt steel bits with TiAlN coating for hardened metal

This 21-piece drill bit set is built from M35 cobalt steel with a 5% cobalt core, designed to tackle hardened metals up to 60 HRC. It features 135° step drill heads for fast starts and cleaner holes, plus a TiAlN coating for heat resistance and extended life. The tri-flat 3-flat shank ensures a secure, wobble-free grip in the chuck, while the included shockproof storage case keeps sizes laser-etched for quick access.

✅ 21-piece set for hard metals using M35 cobalt steel
✅ 135° step drill heads enable fast starts and clean holes
✅ TiAlN coating delivers up to 1400°F heat resistance and longer life
✅ 3-flat tri-flat shank ensures secure, wobble-free chuck grip
✅ No pre-drilling required on most stainless steels and alloys
✅ Shockproof case with laser-etched size labels for quick access

💡 What is a TiAlN coated cobalt step drill bit best used for? - Best for drilling hard metals like stainless steel and high-temp alloys - Provides longer life due to TiAlN wear resistance - Starts accurately on curved surfaces thanks to 135° point

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