19 HSS spiral twist drill bits, accessories for drilling machines, with red storage box for drilling M35 holes

Features:1.The double-angled back of the blade can open holes quickly, increasing drilling speed and work efficiency.
2.The hardening treatment makes the bit sharp and wear-resistant, saving labor and extending its lifespan.
3.Adopting a deep U-shaped spiral groove design, this drill bit set can increase the amount of waste removed during high-speed drilling.
4.This drill bit set is widely used in iron, aluminum alloy, copper, plastic, wood, walls, stainless steel, and cast iron.
5.Made of HSS high-speed steel, this twist drill bit set is very strong and durable after long-term use.
Specifications:Item Type: Twist Drill Bit Set
Product Material: HSS High-Speed ​​Steel
Specifications: 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8. /8.5/9/9.5/10 MM
Product Use: Iron/Aluminum Alloy/Copper/Plastic/Wood/Wall/Stainless Steel/Cast Iron
Applicable Models: Electric Drill, Bench Drill, Cordless Drill

Package List:19 x Twist Drill Bits
1 x Storage Box
Note:1. Note regarding corded drills: 12V corded drills are not recommended due to insufficient torque; 36V and 48V corded drills are recommended. 2. Note for handheld electric drills: The larger the hole diameter, the lower the speed of the electric drill.The recommended speed is less than 1000 rpm.