The pointed-tail ratchet wrench is also known as the pointed-handle ratchet wrench. The pointed-tail ratchet wrench has a fixed size opening. There are double-mouth and single-mouth. The size of the opening is compatible with the size of the screw head and nut, and is made according to the standard ... read more
1. Open-end wrench: Open-end wrench is also called open-end wrench. One or both ends have openings with a fixed size for screwing nuts or bolts with a fixed size. 2. Torx wrench: Both ends have working ends with hexagonal holes or twelve-angle holes, which are suitable for occasions where the workin... read more
Flange connection is to fix two pipes, pipe fittings or equipment on a flange plate respectively, add flange pads between the two flange plates, and fasten them together with bolts to complete the connection. Some pipe fittings and equipment have their own flange, which is also a flange connection. ... read more
First, the stainless steel flange should have sufficient strength and must not be deformed during tightening. The flange sealing surface should be flat and clean, and the oil stains and rust spots should be carefully cleaned up when installing the stainless steel flange. Second, the gasket should ha... read more
The sleeve is a cylindrical tool used to disassemble nuts or bolts, and its inner surface has a hexagonal cross-section. The specifications of the sleeve are divided into English system and metric system. The sleeves of the inch specifications are incremented by 1:16 inches and 1:32 inches; the slee... read more
