Our products are strictly in accordance with the following standards to manufacture:din, iso, ansi, jis, as, nf and gb/t, ect.The strength grade can reach to 4.8-12.9, and steel structure can reach to 8.8s and 10.9s.
Our products are widely used in the areas of steel structure, bridge,
Railway, regular boat, car, electric power and uncleus engineering item ect.
And the products have been being exproted to u.S.A, germany, canada, australia, korea, italy and japan ect.
If you have the plan to purcahse the product above, please feel free to contact us!
Material:c36000
Process:forging and machining
Original color
We can according your requests or samples to produce copper parts.
Our products have competitive price and best quality with brass material made by ourself.
Technical information
The size under m20 are cold forged, the size on the m22 above are hot forged, the nuts are the same.
The grade of the hex bolts(metric) are grade 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, ; (ansi)grade 2, 5, 8, b7;the grade of hex us(metric) are grade 6 s181, 8 , 10, (ansi) grade 2, 5, 8 , and so on.
The material we use carbon steel: c1008, c1010, c1035, c1045, alloy steel 40cr, 35crmo 42crmo , and so on. And some stainless steel a2, a4, ss304, ss306 and so on.
We have two piecesfª made in taiwanfª heat treatment equipments
We have two packing items, one is carbon bulk, another one is small box.
We can make the surface are : plain, black, white blue zinc plated, white zinc plated, yellow zinc palted, hot dip galvanised and so on.
Company's profile
Company plicy: quantity first, credit top got(iso9001:2000 certificate)
We , wenzhou yili machinery developping co., ltd. Are sino-american joint venture, total capital costa are usd 8 million. The whole company covers a area of 66 are, 56, 000square meters. We are biggest one fastener manufacturer in wenzhou, we export large quantity to europe, america, middle east area, southeast asia and other countries; the products are all kinds of standard fasteners like hex head bolts, hex head cap screws, hex socket screws, speedway guardrail bolts, hex nuts , threaded rods, flat washers and spring washers, the standards that we use are germany standard din, america standard ansi, astm, international standard iso , british standard bsw etc.
In the 21st century, advanced technology is the key factor for sl to win the leading position in the whole market. The company recruited a large number of talented people, who are famous experts or professors. We also established a stable long-term corporation with universities and institute, which guarantee our continual development. Advanced computerized designing and software are adopted by technical research department, such as solidworks¼ypro-engineer¼yautocad and caxa
For fixing corrugated sheeting to timber. The twisted shank and inverted cup head produces a very strong purchase. The rubber washer give the nail strong water proof.
