Knowledge

I. What is a 9-shaped anchor bolt? The 9-shaped anchor bolt is a one-piece pre-embedded anchor bolt, made from a single piece of round steel bent without splicing or welding. It consists of three main

Handan Jihao Fastener Manufacturing Co., Ltd., based in Yongnian (China’s top fastener hub), is a 20+ year-old integrated manufacturer of nuts, bolts, washers and custom special-shaped fasteners. We p

I. What are anchor bolts? Anchor bolts are special fasteners that are pre-embedded or installed in concrete foundations. They are mainly used to fix steel structure columns, equipment bases, supports,

I. Basic Definitions Square head bolts are fasteners with a square head and an externally threaded shank, unlike hexagonal bolts. They rely on the four flat surfaces of the square head to engage with

Handan Jihao Fastener Manufacturing Co., Ltd., based in Yongnian (China’s top fastener hub), is a 20+ year-old integrated manufacturer of nuts, bolts, washers and custom special-shaped fasteners. We p

1.Introduction Double-ear pull ring bolt is a forged fastener with integrated threaded base and two symmetrical lugs. It is screwed into components or embedded in concrete. Equipped with pins, wire ro

1. What Is a U‑Bolt Also referred to as U‑thread rod or U‑pipe clamp , a U‑bolt is bent into a U‑shape with full‑form threads on both ends to match hex nuts. Thanks to its hoop‑clamping structure, it

1. Definition A flat‑washer is a flat circular gasket with a central hole. It is fitted onto bolt shanks between nuts and workpieces together with bolts and nuts and stamped from steel plates. Main do

Handan Jihao Fastener Manufacturing Co., Ltd., based in Yongnian (China’s top fastener hub), is a 20+ year-old integrated manufacturer of nuts, bolts, washers and custom special-shaped fasteners. We p

Uses of Lifting Eye Bolts Eye Bolt Applications lifting eye bolt 1. Machinery & Mould Industry (Most Common Application) 1. Injection moulds and die-casting moulds: Eye bolts are pre-installed at

1. Introduction Bolts, nuts, studs and industrial fasteners are mainly manufactured via two core forming technologies: cold heading (cold forging) and hot forging. The forming temperature directly det

Electro-galvanizing, also known as cold galvanizing, is completely different from cold galvanizing in terms of production process, coating, corrosion protection, assembly, cost, and applicable scenari