M35 Cobalt HRC89 TiAlN Countersink Drill Bit 1/4 Inch Hex Shank 90 Degree Deburr
Features: The same cobalt containing high-speed steel material, with a TiAIN coating on its can extend its service life three times.
TiAIN coating is resistant to ultra-high temperatures and can be used for a long-time without coolant, making it suitable for dry high-speed cutting.
Industrial grade TiALN coating, where Al2O3 forms on the forming a hard protective layer during drilling. (Suitable for high-speed drilling)
The hardness of the HSS-CO high-speed steel TiAIN coating after heat is as as 89 degrees.
Carbon steel, 304 stainless steel, etc. Industrial grade TiAIN coating (over 4241 and 6542 high-speed steel materials, longer lifespan!.
Higher accuracy, achieving drilling burrs；Internal chip removal: eliminate metal chip splashing phenomenon.

Specifications: Material: HSS-Co/M35
Coating: TiAlN Coating
Hardness: HRC89
Size: 1-4/2-5mm/5-10mm/10-15mm
Handle size: 1/4 "Hexagonal Handle
Chamfer: 90 °
Usage: High-speed steel cobalt/M35 TiAIN coating
Inner Hole Types：1-4mm/ 5-10mm/ 2-5mm/ 10-15mm/ 15-20mm

Package Includes: 1PC Deburring Chamfering Tool

note: Due to the different monitor- and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
Please allow 1-2cm measuring deviation- due to manual measurement.