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we have 10 years Casting&Machined experience, and have first-class production line., our main product is drilling bit. - details see: https://www.machineto.com/oil-drilling-bit-hot-sale-10316945

Roller cone bits, drill pipe, drill collar, PDCdrilling bit, scraper, a variety of large-caliber combination of drill bits and other drilling equipment for the petroleum, petrochemical, water wells, mines and other industrial construction.
Oil drilling diamond drill bits and special tools mainly engaged in R & D, manufacturing, sales and technical services. Its main products are high-performance oil diamond drill bits and downhole drilling tools.
Has improved the design, development and manufacturing technology. Have been built and state-of-the-art technology, equipment, management practices, high-performance oil and diamond drill production line capable of producing from 3 "to 17.5" types of diamond drill bits.

Specifications				Recommended operation parameters
SIZE	NOZZLE	GAGE	API	HYDRAULIG FLOW RATE		ROTATION SPEED	WEIGHT ON BIT
	QTY.	LENGTH	CONNECTION
in	NO.	in	in	l/s	gpm	rpm	KN	KIBS
8-1/2	6-8	2-3	4-1/2	25-38	400-600	60-350	13-66	3-15
9-7/8	6-8	2-4	6-5/8	30-44	475-700	60-350	13-90	3-20
12-1/4	6-9	2-4	6-5/8	38-60	600-950	60-350	13-100	3-22
16	6-9	3-5	7-5/8	60-90	950-1450	60-300	17-135	4-30
17-1/2	6-9	3-5	7-5/8	60-90	950-1450	60-300	17-135	4-30

Contact : 010-81299109

Fax : 010-81299109