Frequently asked questions
Are you a manufacturer or a trading company?
We are a manufacturer. Our plant in Yangjiang, Guangdong has run cold headers, thread rolling and tapping machines since 2006.
What sizes can you make?
Carbon steel bolts from M4 to M20 in diameter and 3 to 300 mm long, plus special parts made to drawing.
Can you make a part from my drawing?
Yes. Send the drawing or a sample to zhangyu@ysfastener.com and we will reply with a quote.
What finishes and anti-loosening options do you offer?
Zinc, black, nickel, stainless steel, aluminum and powder-coated colors; blue, red and yellow pre-applied thread-lock; and nylon-insert lock nuts.
What is the minimum order quantity and lead time?
They depend on the part, finish and quantity. Send us your requirements and we will confirm both in the quote.
Can you supply kits or assembled parts?
Yes. We can combine bolts, nuts, washers, bushings and brackets into kits or sub-assemblies under one part number.
Which languages can we use?
Write to us in English, Spanish or Chinese.
Have a drawing or a sample?
Send it to us and we will reply with a quote.