Heavy Hex Bolts ASTM A490
Heat treatment: Tempering, Hardening, Spheroidizing, Stress Relieving
length : 12mm-200mm
High Tensile structural heavy hex bolts astm a490
Size: M1~M46
Available Material: stainless steel,alloy steel,etc
Surface treatment: Black oxide, Phosphate, Zinc plated, Dacroment,etc
Standard: ISO, BS, ANSI, GB,DIN, JIS, Nonstandard
Advantage: OEM / ODM / customized service provided
Quality control: ISO standard,100% Whole range inspection through the production
To provide our customers with first-class services in the supply of quality structural heavy hex bolts while minimizing costs.
DOWEDO has strong production capacity and sells professional standard bolt and fasteners. our products accord with the international quality system. Our company offers high quality bolts, nuts,fasteners for industrial fields, such as automobile, building, communication,electron,energy, electrical home appliances and furniture etc.
The bright surface of stainless steel can maintain 10-20 years.
Stainless steel is a kind of sturdy material with good anti-corrosive and anti-rust properties.
Stainless steel does not release toxic substance,it is really environmental and nontoxic.
We can manufacture various high quality fasteners which meet the GB, DIN, ANSI, JIS and ISO standard.
We support customized and can also manufacture non-standard fasteners according to drawing.
We have been engaged in the fasteners for many years. Our company had good reputation with customers from American, Europe and Austrialia etc. We also have a good team for sale and quality control.
We will respond to you within 24 hours. We can manufacture nonstandard parts according to your drawings. And we will continue to serve you after sales and will be responsable for the mistakes from us.
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