TJR® 4-10 mm HSS Co Spiral Drill Bit with Step Tip, 5-Piece Set - Durable and Heat Resistant, Perfect for Metal, Wood Plastic

PREMIUM MATERIAL & DURABILITY Made of HSS cobalt drill bit set with 5% cobalt, these metal drill bits, stainless steel drill bits and steel drill bits provide exceptional strength, temperature resistance and longevity for professional and DIY applications. Wide size range 4-10 mm: the set contains 5 precision-machined drill bits set metal (4, 5, 6, 8, 10 mm), ideal for various materials such as stainless steel, wood, plastic and aluminium. Perfect as a metal drill set professional or drill set for industrial applications and DIY projects. STEP TIP DESIGN The innovative step tip of the twist drill metal ensures precise centring, clean drilling and better chip removal. Reduces slipping and friction, especially on slippery surfaces. HEAT RESISTANT COATING Specially coated for high RPM and hard materials such as hardened steel and stainless steel drill bit set, reduces heat build-up and extends the life of HSS drill bits. Less regrinding, more efficiency. Versatile Application & Special Shank: This drill set/drill bit set effortlessly drills into metal, steel drills, iron, wood and plastic. The special shaft with triangular profile prevents slipping in the drill chuck, ideal for professional workshops, construction sites or demanding DIY projects.