Basic Info.

Model NO. M5-M30

Combination Washer Structure B Type

Combination Washer Packaging All Inclusive

Spring Washer Type Standard

Grade 4.8/8.8/10.9/12.9

Surface Treatment Black/Zinc/Customized

Standard DIN, ANSI, GB

Testing Salt Spray Test

Transport Package Boxes

Specification 18*15*18mm

Trademark da duo

Origin Hebei China

Packaging & Delivery

Package Size 18.00cm * 15.00cm * 18.00cm

Package Gross Weight 25.300kg

Product Description

Handan Da Duo Carriage Bolt Manufacturing Factory was founded in 2003, and the "Daduo" trademark has been registered by the State Administration for Industry and Commerce. Under the leadership of the factory director, our technical workers, through unremitting efforts, the enterprise has grown from small to large, from few to many, from weak to strong, and now has an annual production capacity of more than 8,000 tons. There are 30 sets of small, medium and large equipment. There are more than 60 employees, including 10 professional management and technical personnel from colleges and technical secondary schools.

Grade: 4.8/8.8/10.9/12.9
Surface Treatment: Black/Zinc/Customized
Material: Strength Steel, /Carbon Steel/strainless Steel
Standard: DIN, ANSI, GB
Testing: Salt Spray Test
Production Capacity: 8000 Tons/Year

It mainly produces national standard, ordinary, high-strength, British, American, German, DIN603, DIN607, DIN608, Japanese and other carriage bolts, bridge wires, shelf wires, net wires, guardrail wires, plow tip wires, fishtail wires, hexagonal bolts, flange bolts and other special-shaped parts. The specifications range from 5mm-20mm, and the length ranges from 16mm-400mm. Complete specifications and rich categories. It is a backbone enterprise specializing in the production of carriage bolts in Handan and even Hebei. It mainly produces M6-M27 national standard, ordinary, high-strength, British, American, German, DIN603, DIN607, DIN608, Japanese and other carriage bolts, bridge wires, shelf wires, net wires, guard-rail wires, plow point wires, fishtail wires, hexagonal bolts, flange bolts and other special-shaped parts. Our products are sold to major, medium and small cities across the country, and are also exported to Asia, North America, South America, Europe and other countries. For example: Russia, Kazakhstan, Brazil, Thailand, Myanmar, India, Australia, Mauritius, etc. Our products are of high quality, sincere reputation and high market share. And it is growing and developing at a higher and faster speed. Just like our "Da Duo" trademark, it has grown from small to large, from few to many, and is vigorous, full of energy, and strides forward.

Q1. Can I obtain samples? Yes.

Q2. Can I use my own logo or design on the product? Yes, we offer OEM/ODM services; your logo and design can be imprinted on the product.

Q3. Do you have a factory? Yes, we have a factory in Hebei. You are welcome to visit our company and factory. We are a professional manufacturer, providing OEM/ODM services to our customers.

Q4. What is the production capacity of your factory? Our factory boasts 30 cold heading machines of various sizes, employs nearly 60 skilled workers, and has an annual production capacity of 8,000 tons.

Q5. When will the goods be shipped? Some of our products are in stock and guaranteed to be shipped within one week. For customized orders, they will be shipped within one month after production is arranged. The specific situation may vary depending on local government policies. We can maintain communication at any time to keep abreast of the production and shipping progress.