Kiyraglo 5mm Extra Long HSS Twist Drill Bits – 300mm Length, Straight Shank, for Wood Metal Aluminum & Plastic, High Speed Steel Drill Bit Set of 2

• Size: 5mm (0.2") diameter, 200mm (7.87") flute length, 300mm (11.81") total length, 5mm (0.2") shank diameter.
• High-Speed Steel (HSS): HSS construction; surface coating prevents corrosion and extends lifespan.
• Straight Shank Design: Round, straight shank fits most toolholding systems; universal flute geometry and overall length minimize setup adjustments.
• Double Cutting Edge: Sharp cutting edges enable faster, more precise drilling; spiral flutes ensure rapid heat dissipation — reducing overheating, glitches, and scrap.
• Wide Application: Suitable for wood, rubber, plastic, and steel plates; commonly used with electric drills, automobile spring steel, and die steel.

HSS(High Speed Steel) Extra Long Twist Drill Bits for Hardened Metal Woodwork Plastic Aluminum Alloy Extended-Length HSS Twist Drill Bits – Precision Drilling for Metals & Hard Plastics Extra Reach – Longer shank design tackles thicker materials with ease. Premium HSS Construction – High-speed steel delivers superior hardness, heat resistance, and extended tool life. Precision Twist Geometry – Self-centering tip ensures accurate, wobble-free drilling; efficient chip removal keeps the cut clean and cool. Versatile Performance – Optimized for non-ferrous metals (copper, aluminum) and rigid plastics—ideal for pros and DIYers alike. Smart Use Tip – For best results and longevity: match RPM to material, avoid excessive pressure, and allow cooling during extended use.