AYSUM Tungsten Woodworking Drilling Engraving Review

CARBIDE BURRS SET -- Material: Tungsten Carbide, Shank diameter: 6 mm(1/4 inch), Cutting edge diameter: 6 mm(1/4 inch), Total length: 150- 160mm(6 inch). Extra Long Length allow you to reach the far areas with ease. SHARP AND STURDY MATERIAL -- Made of Heat-treated tungsten carbide, suitable for Processing all kinds of metal such as cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum and non-metal such as marble, jade, bone, and the machining hardness can reach to HRC70. DOUBLE CUT HEAD -- Double cut rotary file carving grinding bit can be processed into a variety of high-precision shape mold cavity. Excellent for fine detail work, cutting, engraving, carving, deburring, polishing and finishing. BEST GIFT -- It is a essential choice for woodworkers & DIY enthusiasts who are fond of tool making, engineering, model engineering, wood carving, jewellery making, welding, chamferring, casting, deburring, grinding, cylinder head porting and sculpting. QUALITY AND SATISFACTION GUARANTEED -- Every long burr bits comes with a 100% satisfaction guarantee. If for any reason you are not satisfied with your purchase, we can give you refund or replacement and assist you with any questions you may have.