Optimized Hardness 💎 Polishing for Kwokker Tungsten Machining Review

√ [1/8" Shank 1/4" Cutting Dia Carbide Rotary Burr Set] K Kwokker 10Pcs Carbide Die Grinder Bits. Shank dia: 3mm(1/8"), Cutting dia: 6mm(1/4"), fits dremel tool accessories and most small rotary tools. 10 different types of carving kit drill bits, meet your different needs. √ [Hardness HRA85, Very Well Made And Tough As Nails, Nice Tungsten Carbide] Carbide burr set made of heat-treated durable carbide that lasts long working life, packed with nice plastic case for safety storage and protection. √ [Safe And Efficient, Like a Hot Knife Thru Butter] VERY IMPORTANT: SINGLE-SLOT Tungsten carbide burrs drill bits, BEST FOR: Metal, cast iron, cast steel, carbon steel, alloy steel, stainless steel and so on; GOOD FOR: wood, marble, jade, ceramic, glass etc. NOT FOR: EPOXY. PLEASE USE ROTARY BURR SET ON THE CORRECT MATERIAL TO AVOID DAMAGE TO THE PRODUCT DUE TO INCORRECT USE. √ [This Is a Essential Rotary Burr Set] Grinding head for air die grinder. NOTE: When using the wood carving bits, make sure that the burr handle is fully inserted into the chuck and tightly clamped. Eye masks and gloves are recommended to prevent stab wounds. √ [Warmth Tips] The speed of the rotary tools usually is 6000-50000 revolutions per minute, long service life, reduce the inefficiency turnover. Machining drill bits, easy to cutting, durability. Really nice carbide drill bits.