• Model NO.：Diameter 32-40mm
• Machine Type：Drilling Tool
• Processing Type：Forging
• Model Number：Cop, DHD, Mission, Ql, SD, CIR, Br
• Face Design：Flat Face, Convex Face, Concave Face
• Carbide Insert：Hemi-Spherical(Round), Parabolic(Semi-Ballistic)
• Diameter Range：32-40mm
• Useage：for Small Hole Drilling
• Transport Package：Wood Package
• Specification：CE, SGS
• Trademark：Prodrill
• Origin：China
• HS Code：82071990
• Production Capacity：10000PCS,Month

Product Name:Tungsten carbides tapered drill bitTypesRock cross drill bit, Tapered cross bits, Tapered button bits/ 34mm button drill bitApplication::Use in granite and marble quarry, gold mine, railway, tunnel, etc. for drillingFeature:Tapered drill bits connect tapered drill steel of rock drill for drilling holesMaterial:High quality carbide and high quality steelMOQ:5pcsWe can design and manufacture according to your requirement of diameter, number air holes and carbide button shape.Types of drill bitsDiameter          (mm)Taper Angle (Degree)Length       (mm)Tapered chisel bits20/22/28/30/32/34/36/38/404 degree/ 6 degree/ 7 degree/ 11 degree/ 12 degree50/55/60/71/80Tapered cross bits24/26/28/30/32/33/34/35/36/3/38/40/42/48/50/5550/55/60/71/80Tapered button bits28/29/30/32/33/34/35/36/37/38/40/41/42/4550/55/60/71/80 
Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling 
Eccentric overburden drilling Equipment 
Hole opener bit 
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45,T51, ST58,GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters 

Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
 
About Us:
1.    Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2.    We have advanced technology and equipment.
3.    Our technician has more than 13 year's professional working experience.
4.    Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.