Guangdong Mingrui Precision Cold Heading Mold Co., Ltd. uses "Cold stamPing die steel" as the cavity material and "Hydraulic Forming Mold" to achieve large deformation in one pass. It can efficiently form various non-standard head types and long shank Screws, with long service life and quick interchangeability, providing stable cold heading solutions for the automotive, electronics and other industries.

Guangdong Mingrui precision cold heading mold Co., LTD

Dongguan Dalang Mingrui Hardware Mold Factory

We are the original factory who specialized in thecold forged screw die manufacturing with Tungstencarbide alloy material. Now we are sincerely seeking:business partners worldwide for a long termthecooperation,particularlythe professionalinternationatrade companies and the original screw manufacturer!will be our preference.Welcome to contact us if youhave anyidea about the business!

Guangdong Mingrui precision cold heading mold Co., LTD

Dongguan Dalang Mingrui hardware Mold Factory

Contact: Ye Sheng 13926801761

Fax: +86-769-83014829

Tel: +86-7769-8301 4826/8313 6799

Website: www.dgmrmi.com

Add:  No. 61 ,Jiuyi Science Park,Shachang Road, Shabu, Dalang Town, Dongguan City, Guangdong Province

In the Pearl River Delta, a global manufacturing hub, countless metal wires are undergoing a magnificent transformation from raw materials to precision parts. Behind this transformative process, cold heading dies play a crucial role. Guangdong Mingrui Precision Cold Heading Die Co., Ltd. is a pioneer in this field, focusing on the research and development and manufacturing of screw dies. They sculpt cavities from hard alloy steel to give metal wires precise shapes, and under immense pressure at room temperature, allow the metal to flow like a tamed liquid, ultimately forming various Bolts and screws.

The screw die is the core execution unit in the cold heading process. It is not merely a simple metal container, but a precisely calculated geometric carrier. In Mingrui's production workshop, a complete screw die set typically includes several working components: a cutting die responsible for cutting the metal wire and initial shaping, a punch die for the head upsetting, and a main die for shaping the rod's shape and dimensions. These mold components need to maintain dimensional stability under millions of high-frequency impacts. Therefore, Mingrui is extremely selective in its material choices, employing high-quality cemented carbide or high-performance tool steel. Vacuum heat treatment imparts extremely high hardness and wear resistance to the mold surface while maintaining core toughness to withstand the immense impact force and frictional heat generated during cold heading.

Mingrui's understanding of screw molds transcends simple machining; it views them as a guiding art of metal plastic deformation. During cold heading, the metal wire undergoes a complex flow and filling process within the mold cavity. Every rounded corner and flow channel of the mold is meticulously designed to ensure smooth metal filling of every corner, avoiding defects such as cracks, folds, or incomplete filling. Especially in the forming of large chamfered bolts or irregularly shaped screws, Mingrui's mold design demonstrates unique technological advantages. Through a multi-station, step-by-step forming concept, the complex deformation process is broken down into several gentle steps, protecting the mold's lifespan while ensuring the dimensional accuracy and surface quality of the screw product.

The applications of these Screw molds are ubiquitous in modern industry. In the automotive manufacturing industry, Mingrui's molds produce High-strength bolts that connect engines and chassis, withstanding vibrations and impacts during driving. In the electronics industry, precision micro-screw molds create the tiny screws in mobile phones and computers that are almost invisible to the naked eye. In construction and bridge engineering, large Steel structure bolts are formed in Mingrui's large molds, bearing the weight of tens of thousands of tons. Whether it's mass production of standard parts or small-batch customization of non-standard parts, Mingrui can provide full-process technical support according to the specific needs of customers, from material selection and Mold structure design to surface treatment, ensuring that every mold is perfectly matched with the customer's cold Heading Machine, achieving high-efficiency, low-loss continuous production.

In the fiercely competitive mold market of the Pearl River Delta, Guangdong Mingrui Precision Cold Heading Mold Co., Ltd. has won industry recognition for its focus and professionalism in screw molds. They deeply understand that a high-quality screw mold is not only a production tool, but also a source of guarantee for product quality. When meticulously heat-treated molds are installed on cold Heading Machines, beginning their life cycle with the roar of the press, they transform into silent sculptors, precisely replicating the design contours with each impact, turning cold metal wire into Fasteners connecting the world. This dedication to pursuing ultimate precision and durability at the microscopic scale is a vivid portrayal of China's mold manufacturing industry's transformation from extensive to precision manufacturing, and it is also the fundamental reason why Mingrui has established its value in the industrial chain.