Price:Negotiable
Brand:MTWK

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Hebeibaiheng metal mesh products co., ltd

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Contact Method drill collar

drill collar

Brand Name:	MTWK
Place of Origin:	Beijing

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CompanyInfo
Honesty is cornerstone ,Quality is guarantee ,Win-Win is goal.
Hebei Baiheng metal mesh products Co., LTD is located in Anping,Hebei,China, Anping is the largest production base of Asia, andenjoy the reputation of the home town of wire mesh products.Ourcompany manufacture and sell all kinds of metal wire and metal meshAnd we always take producing the high quality products as the basisof our company, improving product quality, promoting the ability ofresearch and development as the directio...
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• OEM Services Provided: NO
• Business Type: Manufacturer
• QualityCertificate:ISO9001:2008
• Main ExportMarkets:Mid East

• Payment & Shipping Terms:
• Unit Price: 120.0~500.0 USD
• Payment Term: L/C, T/T
• MOQ: 1Piece/Pieces
• Means of Transport: Air

• Supply Capacity:

The drill collar are made of 4145H modifiedchromium-molybdenum alloy steel according to API Spec 7 and aSY/T5144 . All threads can be phosphated,copperised or cold worked. Allthreads are machined with CNC Lathes-Double-Shouldered and aspecial thread, the max diameter of drill collar is 14 inch.Connection # OD ID L mmDFmm Bending strength ratio mm in Mm In NC23-31 79.4 3 1/8 31.8 1 1/4 9150 76.2 2.57:1 NC26-35 88.9 3 1/2 38.1 1 1/2 9150 82.9 2.42:1 NC31-41 104.8 4 1/8 50.8 2 9150 or 9450 100.4 2.43:1 NC35-47 120.7 4 3/4 50.8 2 9150 or 9450 114.7 2.58:1 NC38-50 127.0 5 57.2 2 1/4 9150 or 9450 121.0 2.38:1 NC44-60 152.4 6 57.2 2 1/4 9150 or 9450 144.5 2.49:1 NC44-60 152.4 6 71.4 2 13/16 9150 or 9450 144.5 2.84:1 NC44-62 158.8 6 1/4 57.2 2 1/4 9150 or 9450 149.2 2.91:1 NC46-62 158.8 6 1/4 71.4 2 13/16 9150 or 9450 150.0 2.63:1 NC46-65 165.1 6 1/2 57.2 2 1/4 9150 or 9450 154.8 2.76:1 NC46-65 165.1 6 1/2 71.4 2 13/16 9150 or 9450 154.8 3.05:1 NC46-47 171.4 6 3/4 57.2 2 1/4 9150 or 9450 159.5 3.18:1 NC50-67 171.4 6 3/4 71.4 2 13/16 9150 or 9450 159.5 2.37:1 NC50-70 177.8 7 57.2 2 1/4 9150 or 9450 164.7 2.54:1 NC50-70 177.8 7 71.4 2 13/16 9150 or 9450 164.7 2.73:1 NC50-72 184.2 7 1/4 71.4 2 13/16 9150 or 9450 169.5 3.12:1 NC56-77 196.8 7 3/4 71.4 2 13/16 9150 or 9450 185.3 2.70:1 NC56-80 203.2 8 71.4 2 13/16 9150 or 9450 190.1 3.02:1 6 5/8 REG 209.6 8 1/4 71.4 2 13/16 9150 or 9450 195.7 2.93:1 NC61-90 228.6 9 71.4 2 13/16 9150 or 9450 212.7 3.17:1