• Model NO.：Mine Drill Bit
• Application：Mining or Quarry or Well Drilling
• Feature：Prevent Bits From Spinning or Becoming Detached
• Used for：Hard or Very Hard Rock Formation
• Advantage：High Performance Cost Ratio
• Quality：340 High Quality Steel and Yk05 Carbide
• Transport Package：Carton Box for Each Piece or Customers Requirement
• Specification：ISO9001-2000, SGS
• Trademark：Extra Sharp
• Origin：China
• HS Code：8207501000
• Production Capacity：50000PCS,Month

Products Description:Product Name:Tungsten carbide hard rock milling button bits / tapered drill bitItem No.:TCB32Brand:Extra SharpSpecification:Diameter: 32mmTaper: degree 4°46′, 6°, 7°, 11°, 12°Usage: Wet drillingFeatures:1) Button bits with 6tips, 7tips, 8tips, we do them according to customers' requirement. We can manufacture the following types AC 
2)  Different rock formations and rock drills require different taper angles. When drilling with high impact hydraulic rock drills in medium-hard to hard and abrasive rock formations, a wide angle is normally used. Taper angles of 11 and 12-degrees are always used on modern drill rigs. For low impact rock drills and softer rock formations, and a narrow taper angle of seven degrees is used of. A 7-degree angle can also be used if button bit spinning is a problem when using 11 and 12-degree equipment. In addition, a 4,46 degree angle is ideal for soft rock when you're using pneumatic or hydraulic drill rigs - to prevent bits from spinning or becoming detached.Advantages:1)  Adopt  high quality steel and tungsten carbide  to ensure product quality.
2) Patented drill bit designs ensure  fast footage speed and good quality of drilled holes.
3) Various specifications are available for production as per customers' special requirement.    
4) Professional and cost-effective.Applied machine:Drilling equipmentMOQ: 1Pieces Payment Terms:T/T, Western Union, Paypal, etc.PackageIn wooden case or in cartonDelivery7-12 days upon receiving paymentCertification:ISO9001, SGS Product Quality ControlMain Market:USA, Canada, Germany, Italy, Portugal, Poland, Russia, Brazil, Chile, Australia, UAE, South Africa etc.