Diamond Drill Bit

Brand: Hargrand
Product Type: Core Drill
Standard model: P H N B
Core material: diamond
Packing and delivery: cartons, wooden cases
Main applications: geological exploration, rope coring
Product Certification: ISO9001:2000
Origin: Hebei, China

Huarui Guanbang impregnated synthetic diamond drill bit is a widely used variety. Diamond specifications, concentration and carcass hardness are selected according to the hardness and abrasiveness of the drilling rock.

gear drill bit can obtain higher drilling efficiency in hard and dense strata and soft and low abrasive strata under lower rotating speed and weight. Especially for coal measures strata exploration, gear drill bit has the advantages of smooth water flow and fast footage, and has been widely used in rope series.

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standard	category	Common specifications and models
domestic standards	single tube	￠ 28 ￠ 36 ￠ 47 ￠ 60 ￠ 75 ￠ 91 110 ￠ 130 ￠ 151 ￠ 170 ￠ 200
	common double tube	P46 P56 P59 P75 P91 P110 P130 P150 P157
	rope coring	S47 S59 S60 S75 S76 S77 S78 S91 S94 S95 S96 S98 S122
foreign standards	C series = Q 'C3 'series = Q3 TT series 3T series W sleeve WT sleeve	AC BC NC HC PC PHD BC3 NC3 HC3 PC3 BCTT NCTT HCTT PCTT BQ3T NQ3T HQ3T PQ3T BW NW HW PW HWT PWT
	Other	ATW BTW NTW