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Round Head Black Coating carbon steel 4.8 8.8 Fully Threaded Rod and nuts
Description:
DIN975 DIN976 Black Coating Stud Bolt Full Threaded are commonly used in offshore flatform, oil and gas and construction, building to connect.
Stud bolt, Threaded rod (threaded bar), DIN975, DIN976 according to DIN standard. The material can be divided into Class 4.8, 8.8, 10.9, 12.9 for carbon steel; Stainless steel A2-70, A4-80 (304, 316), brass. Aluminum is also available. Size from M3 to M70, length from 100mm to 4000mm. Surface treatment including: Plain, zinc plated, nickel plated, H. D. G., black, dacromet, mechanical zinc plated.
The specification for stud bolt and threaded rod DIN975 DIN976 cover alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, low temperature, or other special purpose applications. The ASTM A193 specification covers bars, bolts, screws, studs, stud bolts, and wire. The material may be further processed by centerless grinding or by cold drawing. Below are some of the ASTM A193 grades used commonly.
Specification:
| Name: (Maichuan) | Round Head Black Coating carbon steel 4.8 8.8 Fully Threaded Rod and nuts |
| Equal Standard | DIN975 DIN976 |
| Thread Type | UNC, UNF |
| Material | Alloy Steel(40Cr/35CrMo/4140) Carbon Steel Stainless Steel SS304 SS316 SS316L |
| Dimension | Metric size from 6mm-100mm, Inch size from 1/4-5" |
| Production Technique | Cold forging, Hot forming, Machining, Heat treatment, Staming, etc |
| Grade | Carbon Steel Gr4.8 Gr8.8 Alloy Steel B7 B7M |
| Testing Equipment | Caliper,Go&No-go gauge,Tensile test machine,Hardness tester,Salt spraying tester, H.D.G thickness tester |
| Size | MAJOR DIAMETER | OITCH DIAMETER | MINOR DIAMETER | |||
| DIN975 | MIN | MAX | MIN | MAX | MIN | MAX |
| M4*0.70 | 3.88 | 3.99 | 3.45 | 3.52 | 3.12 | 3.24 |
| M5*0.80 | 4.83 | 4.98 | 4.37 | 4.45 | 3.96 | 4.13 |
| M6*1.00 | 5.79 | 5.97 | 5.21 | 5.32 | 4.57 | 4.75 |
| M8*1.25 | 7.76 | 7.97 | 7.04 | 7.16 | 6.23 | 6.44 |
| M10*1.50 | 9.73 | 9.97 | 8.86 | 8.99 | 7.89 | 8.13 |
| M12*1.75 | 11.70 | 11.96 | 10.86 | 10.83 | 8.92 | 9.20 |
| M14*2.00 | 13.68 | 13.96 | 12.50 | 12.66 | 11.20 | 11.51 |
| M16*2.00 | 15.68 | 15.96 | 14.50 | 14.66 | 13.20 | 13.51 |
| M18*2.00 | 17.62 | 17.96 | 16.16 | 16.33 | 14.54 | 14.89 |
| M20*2.50 | 19.62 | 19.96 | 18.16 | 18.33 | 16.54 | 18.89 |
| M22*2.50 | 21.62 | 21.96 | 20.16 | 20.33 | 18.54 | 18.89 |
| M24*3.00 | 23.58 | 23.95 | 21.80 | 22.00 | 19.86 | 20.27 |
| M27*3.00 | 26.58 | 26.95 | 24.80 | 25.00 | 22.86 | 23.27 |
| M30*3.50 | 29.52 | 29.95 | 27.46 | 27.67 | 25.19 | 25.65 |
| M33*3.50 | 32.52 | 32.95 | 30.46 | 30.67 | 28.19 | 28.65 |
| M36*4.00 | 35.48 | 35.95 | 33.10 | 33.34 | ||
| M39*4.00 | 38.48 | 38.95 | 36.10 | 36.34 | ||
| M42*4.50 | 41.44 | 41.94 | 38.78 | 39.01 | ||
| M45*4.50 | 44.44 | 44.94 | 41.78 | 42.01 | ||
| M48*5.00 | 47.40 | 47.93 | 44.43 | 44.68 | ||
| M52*5.00 | 51.40 | 51.93 | 48.43 | 48.68 | ||
| M56*5.50 | 55.37 | 55.93 | 52.09 | 52.35 | ||
Application:
Oil and Gas. Structural Steel; Metal Buliding; Oil&Gas;
Tower&Pole; Wind Energy.
Advantages:
1. Professional manufacturer for bolt, screw, nut, washer, threaded rod, anchor
2. More than 8 years experience.
3. Inspection on critical dimensions.
4. Domestic and Overseas markets.
5. Well equipped with complete facilities.
6. Strict quality control
7. Excellent after-sales service.
8. Stock
9. Test Report
10. MTC
