High Quality DIN571 Carbon Steel Hex Head Wood Lag Screws Grade 4.8

We provide products, services and solutions to help customers improve safety and process efficiency, reduce waste, extend service life of steel bar, lug nuts ISO9001:2008, anchor fasteners achieving the sustainable development. With good quality and competitive price, our company has established long-term stable cooperation relationship with a great number of retailers and agents worldwide. If you are interested in our products, please feel free to contact us. We take the pursuit of 'excellent quality, exceeding market expectations' as our corporate quality policy. Whatever your needs, we can manufacture the quality you need at a price that you can afford. We warmly welcome you to contact us and make sure you feel free to contact us.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading tapping screw manufacturers and suppliers in China, welcome to buy self tapping screws, button head screw, socket cap screw, hex head screw, self drilling screws from our factory and company.

The main products of Shanghai Jinrui are bolt, nut, washer, machine screw, self tapping screw and other fasteners with material of carbon steel, alloy steel, stainless steel. 

Tappying screws have self-tapping screw and self-drilling screw. Self tapping screw has a sharp point which is convenient when screwing the holes. Self-drilling screw has a drill point whicn can drill a hole when used with an electric hand drill. 

Material usually is low carbon steels with carburization on tapping screw surface. Carburization could increase hardness on the surface. According to the head types, tapping screws usually are grouped into phillips pan head self tapping screw,   phillips countersunk head self tapping screw, slotted head tapping screw, hex head tapping screw,hex flange self-drilling screw, hex washer head drilling screw, etc. 

We pay attention to every link of product production, from the purchase of raw materials to the delivery of products, we have implemented strict compliance control, so as to ensure the quality of products. Due to our emphasis on quality, we have a high reputation in the High Quality DIN571 Carbon Steel Hex Head Wood Lag Screws Grade 4.8 industry, and have won praise from customers in the market. We have been looking forward to work with you for a win-win situation. We are going to work wholeheartedly to improve our products and services.