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IPDB › China Industry › Tools & Hardware

China, Chinese Good Quality Drill Collar for Borehole Drilling Rig¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Drilling Tools Drill Collar Drill Collar Spiral Drill Collar

Glorytek Industry (Beijing) Co., Ltd.

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Product Description Popular Spiral Drill Collar For Drill Rig Parts The spiral drill collars are made from 4145H modified chromium-molybdemum alloy steel acc. to API Spec.7 and SY/T5144.All threads are phosphated,copperized or cold worked.All connections are equipped with pressed steel thread protectors.All threads are machined with CNC lathes-Double-shouldered and special threads.Tolerance of drill collarsOD size(mm)OD size(inch)ODIDLengthBevel diameter(mm)≤88.9≤3 1/2+1.20+1.60±152.4±0.4>88.9~114.3>3 1/2~4 1/2+1.60>114.3~139.7>4 1/2~5 1/2+2.00>139.7~165.1>5 1/2~6 1/2+3.20>165.1~215.9>6 1/2~8 1/2+4.00>215.9~241.3>8 1/2~9 1/2+4.80>241.3>9 1/2+6.40Stress-relief slot for connectionConnectionL ±1.59mmDcb+0.4 -0mm±20.83mm/mDrc+0 -0.79mmLrc+0 -3.18mmNC3582.682.15166.6782.1585.73NC3888.988.11166.6789.1092.08NC40101.692.87166.6795.81104.78NC44101.6101.60166.67106.36104.78NC46101.6106.76166.67109.93104.78NC50101.6117.48166.67120.45104.78NC56114.3121.84250.00134.04117.48NC61127.0132.95250.00148.31130.18NC70139.7152.00250.00170.54142.88NC77152.4166.29250.00188.01155.586 5/8 Reg114.3134.14166.67137.59117.487 5/8 Reg120.7148.83250.00161.26123.838 5/8 Reg123.8172.24250.00185.45127.00

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Tools & Hardware: Good Quality Drill Collar for Borehole Drilling Rig

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Aluminum Oxide Abrasive Wood Metal Polishing Grit 40# 60# 80# 120# Jumbo Roll Abrasive Sanding Cloth4116byte

Disc, Grinding Disc, Polishing Pad, Grinding Wheel, Molybdenum Disc, 4-Inch Diamond Grinding Disc1597byte

100% Polyester J-Wt Silicon Carbide Abrasive Sanding Cloth for Making Sanding Belt Grinding Copper Zinc Alloy Aluminum2111byte

Waterproof Aluminum Oxide Emery Cloth Abrasive for Polishing 36#*320#1524byte

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Abrasive Flap Wheel Sander Abrasive Flap Wheel Sander for Removing Rust Grit 1801875byte

Ceramic Cup Flap Disc for Grinding and Polishing356byte

5 Pack Semi-Flex Fiberglass Backing Abrasive Grinding Disc for Angle Grinder, for Granite, Marble, Stone, Glass2141byte

Aluminum Oxide Abrasive Cloth Roll for Furniture with Flexible Backing3970byte

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75X2000mm P60 80 120 180 240 Belt Linisher & Pipe Scolloper Belt1901byte

Multiple Holes 150mm 6 Inch Purple Film Backing Hook Loop Ceramic Polishing Abrasive Sand Grinding Sanding Disc for Paint, Deburring, Rust, Metal P803863byte

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Premium Wet and Dry Purple 6" P80-P2500 Hoop and Loop Film Polishing Abrasive Sand Sanding Disc for Wood and Metal Polishing Like 737u3863byte

Tj113 (Jb-5) Hand Use Flexible Emery Aluminium Oxide Coated Abrasive Sanding Sand Cloth Jumbo Roll for Hand Use3661byte

Stainless Steel Sanding- Zirconia Abrasive with Fiberglass Backing1790byte

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Dry Grinding Abrasive Sanding Belt773byte

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Hand-Pushed 680mm Planetary Disk Floor Grinder Concrete Machine170byte

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130mm140mm Grinding Steel Ball Bolas De Acero Casting Steel Ball Bola De Molino Hot Rolled Forged Steel Ball Bearing Grinding Ball Grinding Media for Ball Mill3497byte

60 70 80 90mm 12%14%Cr High Chrome Steel Cast Grinding Balls5025byte

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Diamond Powder Dust Grit for Polishing Grinding Tools of Plating Coating Brazing6661byte

Ceramic Abrasive Polishing Stone Best Quality Bfa Brown Fused Alumina1975byte

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Brown Fused Alumina Emery Powder P8001573byte

Cerium-Based Polishing Powder Factory Price Direct Supply4060byte

Aluminum Oxide Polishing and Grinding Powder2154byte

Synthetic Diamond Powder Fine Grit Diamond (80/100-325/400 Mesh) Mbd4+198byte

Cerium Oxide Polishing Powder for Car Polishing Cerium Oxide CEO2 Polishing Powder Surface Polishing of Stainless Steel Products2099byte

Polishing Compound Grinding Compound Cleaning Agent Anti-Rust Agent1751byte

Synthetic Diamond Micron Powder for Precision Polishing3952byte

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Economical Diamond Powder for Polishing Metal3159byte

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Metal Finishing Rust Removal Red Garnet11014byte

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