Pack of 2 Spiral Drill Bits Metal HSS 4 mm x 200 mm, Extra Long Twist Drill Bits for Hardened Metal, Woodworking, Plastic, Aluminium Alloy (SDS Drill)

• High Speed Steel Material Made of high speed steel (HSS), these drill bits are compact and ensure a long service life, and allow for more convenient and deep drilling into various materials. 4 mm. The drill has a straight shaft that is more convenient to use. Machined flutes with deep cut spiral that allows for quick material removal.
• Easy to use: twist drill bit with double groove clamping construction design. It can avoid shifting the drill while working while removing dirt and particles faster and easier. The design of the cutting head provides a central point, high maneuverability, faster and with less effort. The round shank is suitable for most types of hand and impact drills.
• Professional and DIY use: these drill bits are suitable for drilling into various materials, especially suitable for processing soft materials such as iron plates, copper and aluminium, wood, rubber, plastic, bamboo, etc. (Note: not for carbide)
• Metal twist drill bit hss 4 mm x 200 mm: these long metal drill bits are 200 mm x 4 mm long, which allows for more comfortable and deep drilling in different materials. The straight shank design makes these drill bits suitable for a variety of electric drills and drills.
• Note: not for carbide. Please use cool and gentle, the life of the twist drill can be significantly extended by proper use.

Long metal drill bits are made of high-speed steel HSS for high hardness and durability Most drilling work and soft materials for wood, aluminium, plastic and other materials drilling. Twisted design can improve cutting accuracy by centering the tip. This can avoid shifting of the drill while working while removing dirt and particles faster and easier. Note: 1. Please add some water to cool during the drilling process to avoid chipping! 2. When using a hand-held drill, pay attention to the speed setting. The recommended working speed is 100-1000 RPM. The larger the drilling diameter, the slower the drilling speed should be selected. 3. Please take protective measures during use to avoid accidents! Specifications spiral drill metal hss 4 mm x 200 mm Material: HSS (high-speed steel). Shaft type: round shaft. Color: Silver (as picture show) Package contents: 2 pieces twist drill metal hss 4 mm x 200 mm.