About This ??/4 Inch SHANK?멹or most rotary tools and grinders. Double cut tooth angle to prevent chipping. Can be used on various metals, including stainless steel and hardened steel, as well as wood, jade, and marble ?륹IDELY APPLICATION?멪sed for deburring, finishing, shaping and enlarging holes, removing welds,surface cleaning and smoothing castings. Widely used for wood metal drilling,engraving,carving ?륣IGH QUALITY ?멌arbide burr bits are made of high quality heat- treated tungsten carbide whose hardness can reach to HRC70 with long service life and lasting durability ?륞OUBLE-CUT DESIGN?멝anufactured with cuts made on the left and right spirals, this design produces a finer finish on material and Processing good on Wood, Steel,Carbon Steel , Stainless Steel,Cast Iron, copper, marble, Ceramics and other non-metal ?? STAR SATISFACTION??Full 1 year warranty , Your satisfaction is our only mission. If have any questions, We will reply you within 24 hours
