6pcs BOX 3~8mmTwist Drill Bit HSS Auger Drill Bit
Features:

• 135° standard industrial grade double rear edge angle
• Spiral large U-shaped groove design, good chip removal performance
• High-speed steel material, overall high-temperature quenching, sharp and wear-resistant
• Suitable for HRC hardness less than 40, such as aluminum, iron, copper, stainless steel, die steel, wood, plastic, etc

Specifications:

• Material: M35 HSS, cobalt 5%
• Color: Gold
• Size: 3mm,4mm,5mm,6mm,7mm,8mm

Package List:

• 1* 6pcs Twist Drill Bit BOX