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Short updates from our company.
Nut stripping and corrosion are common issues in fastener use, which can lead to reduced clamping force, difficult disassembly, or even connection failure. Proper selection of strength grade, thread specification, installation torque, and anti-corrosion treatment can significantly reduce such problems.
The across flats dimension of hex head bolts and hex nuts directly affects wrench fit and installation efficiency. A Hex Gauge is an inspection tool used to quickly verify whether the hex size and specifications meet requirements, and it is one of the common quality control methods in fastener production.
Cap nut, acorn nut and dome nut are often used for the same family. A purchase order still needs the drawing: check the closed-end depth, thread, wrench size, material and finish rather than ordering by name alone.
An anchor RFQ needs more than diameter and length. State the base material, hole, fixture, installation space, environment and acceptance requirements so suppliers can compare the actual assembly rather than a name alone.
The bolt strength grade directly affects the load-bearing capacity, preload, and long-term reliability of a connection system. For 8.8, 10.9, and 12.9 grade bolts, a higher grade is not always better; engineering selection must also consider load, material, heat treatment, surface treatment, nut matching, and the actual service environment.