| Customization: | Available |
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| Material: | Stainless Steel/Carbon Steel |
| Type: | Pan Head |
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Product Name: Combination Screw Bolt with Washers
Quality combination bolts are made from high-quality materials that are carefully selected for their strength, durability, and resistance to corrosion. The manufacturing process for hex bolts should be precise and consistent, with strict quality control measures in place to ensure that each bolt meets the required specifications.
Application
Applicable to all kinds of connectors in vehicles such as automobiles, aircraft, trains, etc., as well as all kinds of equipment and machines in the fields of construction, machinery, electronics, etc.
Advantages:
1. Supply wide range of bolts and nuts
2. Surface Treatment Customized: H.D.G hot dip galvanized, zinc plated(blue and white, yellow, etc.), black oxide, chrome, etc.
3. M3-M10 combination bolt dimensions optional
4. Material Optional: Stainless Steel/Carbon Steel/Alloy Steel/High Strength Steel, etc.
5. Standard hex bolt: ASTM/ANSI, DIN, GB, AS, JIS
| Specification | Head diameter(mm) | Washer Diameter(mm) | Washer Thickness(mm) |
| M3 | 5.3 | 6.8 | 0.5 |
| M4 | 6.6 | 8.7 | 0.7 |
| M5 | 7.7 | 9.8 | 0.9 |
| M6 | 9.7 | 11.6 | 1.5 |
| M8 | 12.7 | 15.6 | 1.8 |
| M10 | 15.6 | 19.5 | 2.3 |
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Changzhou Ningsheng Hardware & Electrical Appliance Co., Ltd. is a professional hardware manufacturing company specializing in wedge anchor bolts and other fastener parts. The company covers an area of 15,000 square meters and is located in Hengshanqiao Town, Changzhou Economic Development Zone, Jiangsu Province.
Since its establishment in 2000, the company now has more than twelve mature automatic production and assembly lines, with an annual output of more than 7000 tons of hardware accessories. The company's main products include: various types of wedge anchor bolts(GB/DIN/ANSI), the hex bolts, the screw, the washers and other products.
Our factory has always been based on good faith management, product quality as the core, customer demand as the guidance, to provide customers with cost-effective products. At present, it has provided high quality products and services for many retailers and many well-known elevator manufacturers in China so far.
Our logistics and packaging are reliable and trustworthy!
The company has a group of high-quality technical personnel, sophisticated equipment, perfect monitoring facilities. We also have GB/T19001-2008/ ISO9001:2008 international quality system certification.
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