DIN985 Threaded Self-Lock Hex Nuts Stainless Steel Insert Hex Nut Nylon Lock Nut

Yes, if customer want, we will express couple pcs samples free for customer to check before we arrange batch producing, we would like to talk with customer to get your kindly advise .

We control the quality since Material arrive, we have workshop QC responsible for each producting line to check the product dimensions and other details during one by one producing process, inspection QC do spot check for each batch in everyday and package workers do 100% product appearance inspection one by one when they package the parts into the carton. We trust quality need to control on the producing line not final step.

we have high precision machining center to produce for small tolerance products and we also have some automatic CNC machine, CNC machine, stamping machine, automatic drill-hole machine and sandblasting maching etc, except the plating, we do whole producing process in own factory. We are glad to receive your message, Welcome to contact us.