Custom DIN 931 DIN 933 Factory price stainless steel 304 316 316L hex bolts and nuts Hex Bolt for steel structural

416 stainless steel is magnetic and heat-treated to increase its hardness and tensile strength. 303 stainless steel provides superior corrosion resistance for use in severe environments and has slightly lower tensile strength. Other considerations in selecting a precision shoulder screw include:

• Head diameter
• Head height
• Shank length and diameter
• Thread length
• Thread gauge
• Size: Standard & non-standard, spport customized
• Material: Stainless Steel, Brass, Bronze, Iron, Aluminum, Carbon steel, Alloy steel
• Grade: SAE J429 Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc.
• Thread: UNC, UNF
• Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black, H.D.G and etc.
• Packing: Bulk in cartons on a wood pallet or according to customer special demand.
• Application: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile; Home Decorating and etc.

Material Available

About us:

Suzhou Yongxu Precision Hardware Products Factory is a professional manufacturer of precision hardware accessories. We have many years of technical precipitation in the manufacture of metal precision parts. Our main products include: non-standard micro components, stainless steel components, medical equipment accessories, lighting accessories, fasteners, connectors, instrumentation accessories, shaft sleeves, Fiber optic connectors, lc tail handle, sc tail handle, precision mechanical parts, optical fiber communication accessories, screws and nuts, electronic product accessories, copper, aluminum rivets and other high-standard, high-quality, and clean products are available for customers to choose. Existing equipment Tsugami six-axis core walking machine, turning and milling compound machining center, turret machine, slow wire walking and so on. The testing equipment includes a two-dimensional, altimeter, high-power microscope, micrometer, etc., advanced production management system, practical and innovative scientific and technological talents. In addition, we can also manufacture products that satisfy customers according to different requirements of customers.

FAQ:
Q. What raw material do you use?
A: Different series of Aluminum alloy, Stainless Steel, Brass, Plastic, Steel, etc.

Q. What finishes can you provide?
A: powder coating, polishing, zinc/nickel /chrome plating, painting, anodized, hot-dip galvanized, sandblasted etc.

Q. How do you ensure quality control?
A: We inspect every process based on your drawings or samples and also check the products before packing.

Q. Is a small quantity available?
A: Yes, small quantity for trial order is available.