Rock Drill Tapered Button Center Bit Tungsten Carbide Drill Bits

• Certification：CE, ISO 9001:2000
• Standard：AISI, GOST
• Surface Treatment：Polishing
• Manufacturing Process：Casting
• Material：Carbon Steel
• Hole Diameter：30mm to 42mm

=== Base Info ===

• Model NO.：42mm
• Shank：H22,H19,25
• Length：Customized
• Weight：0.2-0.6
• Transport Package：Wooden Box
• Specification：7,11,12 degree
• Trademark：JCDRILL
• Origin：China
• HS Code：8430419000
• Production Capacity：50000 PCS,Year

=== Description ===
DescriptionDiameterLengthNo. of  buttons    WeightTaper Button Bitmmmm kg265050.2Taper:a=4°46"  6°,7°,11°,12°27505 60.2Socket inside  Dia. D=19, 22, 2528504 50.2

 

295040.23050   804   5   6    70.2 0.33250   55   71   805   6    7    80.2    0.22      0.3       3350   55   71   806   7    8    90.2    0.3    0.363450   556   7    90.22   0.335 55   71    807    80.22   0.3    0.373650   554    5     6    70.3    0.35375570.33850    554    6      70.25    0.354050     554    6       70.354150     55     7170.3542504     50.44550      55     716      70.5

Factory &Process




Packing& Delivery                                                                                                                                                




Service                                                                                                                                                                

In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.

We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.