StandardEach fastener product must involve some standards in several aspects: 1) Standards for fastener product dimensions: specify the content of the basic dimensions of the product; for threaded products, it also includes the basic dimensions of ...
Read More
Core tip: For the threads of triangular screws used in fasteners, the three major elements of tooth form, diameter and pitch are all load standard threads called standard threads, tolerance zones and thread marks of standard threads For the threads ...
Read More
Surface treatment types of non-standard bolts: Surface treatment is the process of forming a covering layer on the surface of the workpiece through a certain method. Its purpose is to give the product surface a beautiful and anti-corrosion effect. T...
Read More
Speaking of hexagon head bolts, it is a very big concept. Hexagon head bolts are divided into extra hexagon bolts and inner hexagon bolts, which are commonly used fasteners and are mainly used for fastening mechanical equipment. Regardless of whethe...
Read More
Screws are common fasteners in daily life. They can be divided into many types according to the shape of the head. Countersunk head screws and cross recessed screws are common screws. The head of the Phillips pan head screw is oblate. The two types ...
Read More
There are actually many sizes of self-tapping screws or specifications of self-tapping screws on the market, so we can describe them as dazzling. There are also many specifications for the size of self-tapping screws. In the eyes of those of us who ...
Read More
Hexagonal bolts are also called differently, such as hexagonal bolts, hexagonal bolts, and hexagonal bolts, all of which have the same meaning. It's just that the personal name is different. Ordinary hexagon bolts are divided into three types: A, B,...
Read More
All metals react with oxygen in the atmosphere to form an oxide film on the surface. Unfortunately, the iron oxide formed on ordinary carbon steel continues to oxidize, causing the corrosion to continue to expand and eventually forming holes. It is ...
Read More
Bolt: A type of fastener consisting of a head and a screw (cylinder with external thread), which needs to be matched with a nut to fasten and connect two parts with through holes. This type of connection is called bolt connection. If the nut is unsc...
Read More
Copyright © 2020 Ningbo Jinyi Precision Machinery Co., Ltd. All Rights Reserved
Login
China Screw Barrels Manufacturers
Screw Barrels Suppliers
E-mail : info@jinyiscrew.com 
Tel : +86-574-55002386
Fax : +86-574-86365887
Add : No.158, Qiancheng Rd, Zhenhai, Ningbo City Zhejiang Province, China