Features:
It is made of high quality M35 HSS with 5% cobalt added for increased hardness and heat resistance. Rockwell hardness is up to 67. It can cut faster and has a long life, up to 12 times compared to the average HSS drill. High hardness and high toughness. Vacuum quenching, complete grinding process, with high temperature resistance and wear resistance.
Precise size, long service life, durable. The cutting edge is processed by 135 degree double back angle process, and the positioning is accurate. Which can penetrate quickly with less pressure. The straight shank can be fixed firmly and accurately centered, which is suitable for the standard chuck and the conventional round chuck. Efficient drilling without walking. Removes chips and particles more easily and quickly.
The lowest cost per well drilled. Solid cobalt steel bit body can be resharpened.
Split point. Drill directly to size needed without pre-drilling
Scope of application: hard wood, plastic, iron, aluminum, stainless steel, abrasive steel, various metals.
Specification:
Material: HSS-Co M35 Cobalt
Size (mm): 1.5-6.5mm (1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, 6.5mm)
Colour: Gold
Product Name: M35 Cobalt Twist Drill Bit Set Shank Type: Straight Shank
Measurement: metric system
Package List:
13-Piece HSS Cobalt M35 Twist Drill Bit Set
1 metal box.