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Our company has three brands: HNHONGXIANG, DIAMONDWK, QEDIAMONDDIE
HNHONGXIANG brand was established in 1990. And main products are synthetic diamond, diamond micron powder, diamond grinding wheels, diamond saw blades, diamond drill bits, diamond polishing pads, diamond lapping paste, etc.; DIAMONDWK was established in 2000, And the main products are PDC cutter, PCD blanks, PCD cutting tools, PCBN insert, etc. QEDIAMONDDIE began to produce wire drawing dies in 1983. And main products are shaped drawing dies, PCD wire drawing dies, natural diamond wire drawing dies, mono diamond wire drawing dies, and tungsten carbide wire drawing dies, nano coated diamond dies, etc.
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T38-76mm Concave Face Threading Drill Bit for Gold Minining
Basic Info. Model NO. T38-76mm
9 7/8inch IADC637 TCI Tricone Bit
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.Company InformationHejian Hengji Bit Manufacture Co.,LTDis specialized in manufacturing high quality rock bit,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.with advanced CNC machines
8 1/2′′ Core Barrel Tricone Cutters Palm Segment Factory
311.2HR117HR127HR137HR417HR437HR517HR527HR537HR547HR617HR627HR637135/8346.1HR117HR127HR235HR437HR517HR527HR537HR637133/4349.3HR437HR517HR537HR617HR627HR637HR737HR117HR217143/4374.7HR117HR127HR137HR517HR527HR537HR547HR617HR637151/2393.7HR127HR217HR517HR527HR537HR547HR617HR637HR737HR83716406.4HR117HR1
Bits for Medium & High Pressure Hammers DTH Bits
TypeNumber ofAir holeDIa.(mm)Weight(kg)Gauge ButtonFront ButtonMatching DTH HammerGL4.5-1152115-1186.47×ф146×ф12GL4.5GL4.5-1202120-12377×ф146×ф12GL4.5-1302130-13387×ф146×ф12GL4.5-1402140-1438.27×ф146×ф12G
Hard Rock Drilling Bits for Medium & High Pressure Hammers
TypeNumber ofAir holeDIa.(mm)Weight(kg)Gauge ButtonFront ButtonMatching DTH HammerGL4.5-1152115-1186.47×ф146×ф12GL4.5GL4.5-1202120-12377×ф146×ф12GL4.5-1302130-13387×ф146×ф12GL4.5-1402140-1438.27×ф146×ф12G
High Quality Stone Diamond Core Drill Bits
Basic Info. Model NO. Diamond Core Drill Bits
DIN338 Hex Shank HSS Roll Forged Twist Drill Bit
Quick Change 6.35mm Hex Shank Hss Roll Forged Twist Drill BitDrilling MaterialHSS4241(HSS4341,M2,M35 are available)Drilling Point Angle118 Degree /135 Degree Spilt PointDrilling ProcessRoll forged(Rolled &Polished,Eadge Ground,Fully Ground ,Milled Ground are Available)Drilling ShankHex Shank Siz
Hex Shank HSS Fully Ground Twist Drill Bit
Quick Change 6.35mm Hex Shank Hss Twist Drill BitDrilling MaterialM2(HSS4241,HSS4341,M35 is available)Drilling Point Angle118 Degree /135 Degree Spilt PointDrilling ProcessFully Ground (Roll forged,Rolled &Polished,Eadge Ground,Milled Ground , Milled are Available)Drilling ShankHex Shank Size 1/