Shenzhen Shi Shi Tong Metal Products Co., Ltd

  What is stainless steel hexagon screws?   Stainless steel hexagon screws , in fact, there are a lot of calls, it is called hex bolts, also can be called hex screws or hex bolts, everyone used to call different. There are three kinds of ordinary bolts: A, B and C. The first two are refined screws, less used. Generally speaking, ordinary screws are C-class ordinary screws. Stainless steel hexagon screws  are used with nuts for fastening connected parts and components with two through-holes. It is a bolt that is often used. There are A class and B class external hexagonal use more, more important, and in the assembly precision requirements of high, as well as subjected to greater impact, vibration or cross rate load occasions used more. Class C is used for rough surface, assembly precision requirements are not high. The thread on the outer hexagon screw is generally the common thread of fine teeth, and the self-pin of the common thread of winding teeth is good. It is mainl...

  Non-standard Customized Big Head Hexagon Screw Hexagon Screw Non-standard Customized Big?Head  Hexagon Screw Brand: Shi Shi Tong Name: Big Head Hexagon Screw Material: Stainless Steel 304 HC Surface treatment: Plain Specifications: M6*10 ,Head diameter:20mm Processing technology: Multi – station cold heading           Non-standard Customized Big Head Hexagon Screw There are four difficulties in producing this  Hexagon  Screw:  1.Generally, the diameter of the head is not more than 2.5 times the diameter of the thread , but this screw is more than three times that. 2.And the material requested by the customer is stainless steel 304HC. Stainless steel 304HC, the material is somewhat stiff . 3.Drive is hexagon socket . 4.There is step below the big flat head. We can only use the multi-station machine cold heading natural forming. Therefore, this type of screw production is extremely difficult.   Shi Shi Tong chief engineer Mr He Qing...