Gonnely M35 Cobalt Drill Bit Set, 13Pcs Twisted Drill Bits Set, 135 Degree Cutting, HSS-Co Cobalt Straight Handle Jobber with Metal Box for Stainless Steel Copper (1.5-6.5 mm)

• High Hardness: Our drill bits are made of M35 cobalt with 5% cobalt added, providing higher hardness. With a Rockwell hardness of up to 67, they can cut faster and last up to 12 times longer than average HSS bits
• 135° Rapid Cutting: The self-centering guiding separation point allows for quick penetration with less pressure. The straight handle ensures firm fixation and accurate centering, making it suitable for standard bit chuck and conventional round chuck
• Easy to Use: Our hss drill bits set offer efficient drilling without walking, making chip and particle removal easier and faster. They also provide the lowest cost per hole drilled. The solid cobalt steel body can be resharpened for extended use
• Professional & Versatile: The M35 Cobalt HSS material is particularly suitable for cutting through hardened materials. These drill bits for metal are successful in cutting hard metals like steel, stainless steel, cast iron, high-temperature alloy, titanium alloy, as well as hard plastics and woods. They can also be used for softer materials
• Package Include: This 13pcs M35 cobalt steel jobber twist drill bit set includes sizes ranging from 1.5 mm to 6.5 mm. Our HSS Twist Drill Bits are designed to be used at 1500 RPM or greater for maximum efficiency

Features: It is made of 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. 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): 1.5-6.5 mm (1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, 6.5 mm) 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.