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3-7/8" tri cone bits, 98.4mm TCI tricone bits, hard rock drill bits

FOB Port: Qingdao
Lead Time: 7 - 15 days

Delivery term:The date of payment from buyers deliver within days

Price:
Negotiable
minimum:
Total supply:
Delivery term:
The date of payment from buyers deliver within days
seat:
Beijing
Validity to:
Long-term effective
Last update:
2017-07-21 07:18
Browse the number:
164

Company Profile

Zhengzhou Hanfa Prospecting Machinery Co., Ltd.: Contact:
hanfarig(Ms.); Email:; Telephone:; Area:
Beijing; Address:
No. A2209, Hongsen Building, Jinsuo Road, Yulan Street, Gaoxin District, Zhengzhou, Henan, China (450000); Website: http://hanfarig.jun2057.com/

Product details

Model Number: tricone drill bit-#7974 Brand Name: HF Key Specifications/Special Features: Application1, Suit for drilling medium to medium-hard formations.2,Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented .3, Composite gage protection and low torque design improve rate of penetration.4, CFD hydraulic balance design results in better bit cleaning and cutting removal.5, Combined utilization of high performance PDC compacts significantly prolongs bit lifeHigher nozzle counts and/or fixed ports to best serve cleaning, cooling and cuttings evacuation requirements with available hydraulic flows. Allows for higher flow rates with minimal increase in pump pressure.Feature: Diamonds are impregnated in the matrix behind the PDC cuttersBenefit: Increased footage drilled in abrasive applications

Bit type		Main bit size(mm)	Rock coefficient
PDC core drill bit	Single pipe	75/54.5 94/74 113/89 113/109 153/129	1-18
PDC core drill bit	Two-pipes	75/54.5 94/68	1-18
PDC center drill bit	Concave 3 wing bit	60 75 94 113 133	1-18
	Arc pillar	60 75 94 113 133	4-18
	Many wing scraper	60 75 94 113 133 133 153 173 190 215	1-6
PDC Indexable drill bit		153/94 153/113 190/153 190/113	1-18