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Home > Manufacturing & Processing Machinery > Mining Machinery > Mining Machinery Parts > API Square Kelly and Hexagonal Kelly for Rig

API Square Kelly and Hexagonal Kelly for Rig

Name: API Square Kelly and Hexagonal Kelly for Rig
Brand: longxuan
SKU: 120034801
Availability: InStock

API Square Kelly and Hexagonal Kelly for Rig thumbnail-1

API Square Kelly and Hexagonal Kelly for Rig photo-1

US$ 1,000 - 6,000 MOQ: 1 Piece

Key Specifications

Get Latest Price

Place of Origin:

Hebei, China

Brand Name:

longxuan

Type:

Drill Pipe

Contact Supplier Request Quote Chat Now

Shijiazhuang Longxuan Trading Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

any port in China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Place of Origin Hebei, China

Brand Name longxuan

Type Drill Pipe

Machine Type Drilling Tool

Certification API

Material Carbon Steel

Processing Type Casting

Use Well Drilling

kelly bar, drilling pipe drilling rod, machine pipe

Kelly, as the driven part of drill string, locates in the top of it to transmit torque and bear the suspended weight. According to API Spec7-1 Specifications, the material quality is 4145H that’s after heat treatment, thread hardening treatment and phosphating to better antiseize. It also can be produced 114.3×114.3and 170×170 upon customers’ requirements.

Kelly Specifications		m Drive Length	m Length	Internal thread connection		External thread connection
mm	in	m Drive Length	m Length	Left-hand thread	mm External Diameter	Specifications	mm External Diameter	mm Internal Diameter
76.2	3	11.28	12.19	6 5/8REG -LH	196.8	NC31	85.7	31.8
88.9	31/2	11.28	12.19	6 5/8REG -LH	196.8	NC38	120.6	57.2
108.0	41/4	11.28	12.19	6 5/8REG -LH	196.8	NC46	158.8	71.4
108.0	41/4	11.28	12.19	6 5/8REG -LH	196.8	NC50	161.9	71.4
133.4	51/4	11.28	12.19	6 5/8REG -LH	196.8	NC56	177.8	82.6
133.4	51/4	11.28	12.19	6 5/8REG -LH	196.8	51/2FH	177.8	82.6

		m Drive Length	m Length	Internal thread connection		External thread connection
mm	in	m Drive Length	m Length	Left-hand thread	mm External Diameter	Specifications	mm External Diameter	mm Internal Diameter
76.2	3	11.28	12.19	6 5/8REG -LH	196.8	NC26	85.7	31.8
88.9	31/2	11.28	12.19	6 5/8REG -LH	196.8	NC31	104.8	44.4
108.0	41/4	11.28	12.19	6 5/8REG -LH	196.8	NC38	120.6	57.2
133.4	51/4	11.28	12.19	6 5/8REG -LH	196.8	NC46	158.8	76.2
133.4	51/4	11.28	12.19	6 5/8REG -LH	196.8	NC50	161.9	82.6
152.4	6	11.28	12.19	6 5/8REG -LH	196.8	51/2FH	177.8	88.9
152.4	6	11.28	12.19	6 5/8REG -LH	196.8	NC56	177.8	88.9

Established in 1975,Our factory is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Our factory specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association, vice chairman of the Geological and Mining Equipment Branch, a member of China Geological and Equipment General Corporation, a member unit of National Water Well Drilling Rig Information Network and a designated production enterprise of the General Reserve Department of PLA. Hebei Shitan Machinery Manufacturing Co., Ltd is located in No. 788, Zhongshan Road, Shijiazhuang city and adjacent to Qingyin Highway, enjoys favorable geographical location and transportation facilities.

Our factory has well-equipped production equipment, strong technical strength, perfect detection methods, reliable product quality and advanced management concept. It has the domestic most advanced equipment, including the Numerical Controlled (NC) friction welding machine, drill pipe hammer forging and all-in-one tempering equipment. Besides, it is equipped with non-destructive testing (NDT), physical experiment, chemical composition analysis and metallurgical analysis apparatus. Our factory
get the ISO9001 in 2009 and API certification in 2002 one after another, which becomes one of the API authorized enterprises in geological departments.