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This section provides an overview for angular pins as well as their applications and principles. Also, please take a look at the list of 10 angular pin manufacturers and their company rankings. Here are the top-ranked angular pin companies as of April, 2025: 1.DGMF Mold Clamps Co., Ltd, 2.Helong Holdings Industry Limited, 3.Taizhou Huangyan Jingzhan Mould Parts Co., Ltd.
Table of Contents
An angular pin is a component used in injection molding molds to facilitate the molding of products with undercuts. It operates within a special mold feature known as a slide core, enabling the production of complex shapes. Angular pins, typically cylindrical, demand high precision and durability due to their contact with the slide core. They are crafted from wear-resistant materials like high-strength tool steel to withstand the rigors of use.
Angular pins play a crucial role in moving slide cores to form and de-mold parts with undercut areas and complex geometries. An undercut is a recess that blocks the straightforward demolding path, necessitating angular pins to reposition the slide core for obstacle-free mold removal. These pins are instrumental in manufacturing diverse resin-molded products, including window frames, door handles, electronic device housings, and even cups with handles.
The core function of an angular pin is to synchronize with the slide core, or another mold component, to mold undercut areas and facilitate part removal. Attached to the slide core or plate within the molding die, angular pins guide the slide core's movement, essential for undercut formation.
Injection and Filling: The mold is closed, and the plastic material is injected, with the undercut area secured by the slide core and angular pins.
Mold Opening: Post-cure, the mold opens, typically allowing angular pins to rotate or slide, releasing the undercut section.
Product Removal: With the undercut freed, the molded product is ejected, after which the mold closes for the next cycle.
Angular pins are installed at an angle to the mold's movement line, balancing slide volume needs against breakage risks. A standard tilt up to about 20 degrees is common, with pin length adjustments possible to achieve similar outcomes without compromising mold movement space.
Due to their constant friction against the slide core and exposure to high temperatures, angular pins must be wear-resistant, strong, and thermally stable. High carbon steel, like SUJ-2, is preferred, often treated for hardness and wear resistance.
Slide Core Method: A straightforward approach using an angular pin and slide core for undercut formation, with the angular pin guiding the slide core's movement.
Inclined Slide Method: Suitable for small undercuts, this method relies on a slide unit and rod without angular pins, driven by mold movement for product ejection.
Hydraulic-Driven Slide System: Utilizes a hydraulic cylinder to move large slide cores independently of mold opening, offering flexibility for complex designs.
*Including some distributors, etc.
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SUZHOU MEITE PRECISION MOLD STANDARD PARTS CO., LTD. was established in 2005 and is based in Suzhou, China, and is a manufacturer of plastic mold and metal stamping mold parts for various industrial and commercial applications. The company's product folio includes ejector pins, blade ejectors, step ejector pins, ejector sleeves, and, core pins that have applications in the general injection mold industry. The company has ISO9001: 2015 quality management system certification and its factory is equipped with CNC lathes, surface grinders, and, three sets of deep-hole drilling machines.
YuBo Mold Part Co., Ltd, located in Dongguan City, China, is a manufacturer of various hardware molds and plastic mold spare parts. The company makes mold components, ejector slide retainer parts, extrusion products, locating components, and mold cooling parts. It also produces non-standard precision parts, press die components, and self-lubricating parts. Its mold components, which are shaped by using plastic molding dies, can be used in various applications, including cars, household appliances, furniture, commodities, and electronics.
Taizhou Huangyan Jingzhan Mould Parts Co., Ltd., is a manufacturer of plastic mold parts and components located in China, was established in 1995. The company specializes in producing plastic mold parts and components for different applications. Its products are designed to meet the needs of its customers and are manufactured using advanced technology and equipment. It covers an area of more than 50,00 square meters, with 3 chain stores and 2 on-line stores. It also exports to Europe, America, Southeast Asia and other countries. With cutting-edge quality and first-class technology, it has become a major player in the global mold market.
DGMF Mold Clamps is a company founded in the year 2011 and is based in Guangdong, China as a manufacturer and supplier of mold clamps and components. Their product portfolio includes a diverse range of clamps, die press components, injection mold components, machine tools, and fasteners with different specifications and features. The company also provides effective solutions for mold clamps, tools, and fasteners. The products are used in multiple industries which include plastic injection, molding, dies casting, stamping, and CNC milling.
HUANGYAN JINHONG MOULD PARTS CO.,LTD. (HJMP) is a Chinese manufacturer of mold parts that was established in 2002 in QingXi, GuangDong. The company primarily produces guide, core, and ejector pins, as well as locking blocks and positioning components. It also offers mold core and cavity components, dating inserts, and slide blocks. These are crucial in industrial plastic injection as well as die cast molding processes. HJMP products are used by clients such as BYD Company Limited, Gree Electric Appliances Inc., and the Foxconn Technology Group.
Dalian Dongfei Special Steel Products Co., Ltd, established in 1997 and based in Dalian, China, is a manufacturer of alloy tool steel and other steel products. The company specializes in the production of alloy tool steel, high-speed tool steel, and alloy structure steel. Holding ISO 9001 certification, it offers quality and precision in its steel products, and the advantages of its alloys include optimal durability, robust wear resistance, and superior mechanical properties, meeting the demanding standards of various industries. These products find applications in tool manufacturing, aerospace, automotive, and construction.
Gannon Norton Metal & Tools, established in 1965 and based in New Delhi, India, is a manufacturer of diamond tools. The company produces a broad range of products, including diamond cutting wheels, grinding discs, and polishing pads. It is ISO 9001 certified, verifying rigorous quality standards in its manufacturing processes and its diamond tools offer robust cutting efficiency, extended lifespan, and precision in various applications. These tools find applications in industries such as construction, stone processing, and metal fabrication.
Helong Holdings Industry Limited, founded in 1999 and based in Dongguan, China, is a manufacturer of mold accessories. The company produces a wide range of products, including guide pillars & bushes, oilless (self-lubricating) bearing bushes, and compression die springs. It has obtained ISO 9001 certification, for the precision and stability of its products and the advantages of its accessories include enhanced durability, efficient self-lubrication, and consistent performance. These components serve a wide range of industries, including automotive, electronics, and manufacturing.
NC Network Co., Ltd., launched in 1998 and based in Tokyo, Japan, is a supplier of matching services in the form of a website for manufacturing companies. The company offers its factory search engine service so that the buyers can find the appropriate manufacturers to partner with. It also provides assistance, website design, manufacturing technology, video filming, and marketing services to small and medium-sized manufacturers. Its processing department acts as a mediator between registered companies and manufacturers so that the execution would be seamless.
SUN RISE TECHNOLOGIES Co., LTD., a supplier of industrial products with more than 30 years of experience in the field of mould and dies components, machinery, and machine tools, based in Thailand. The company distributes products and subcontracts OEM manufacturing for many industries in local and global markets. They also develop and manufacture standard Industrial products under SRT brand. They provide a full range of services of engineering, precision grinding, welding and assembly, including others using cutting edge technology.
Ranking as of April 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | DGMF Mold Clamps Co., Ltd |
21.4%
|
| 2 | Helong Holdings Industry Limited |
14.3%
|
| 3 | Taizhou Huangyan Jingzhan Mould Parts Co., Ltd |
14.3%
|
| 4 | HUANGYAN JINHONG MOULD PARTS CO.,LTD. |
14.3%
|
| 5 | Gannon Norton Metal & Tools |
7.1%
|
| 6 | YuBo Mold Part Co.,Ltd |
7.1%
|
| 7 | NC Network Co., Ltd. |
7.1%
|
| 8 | Dalian Dongfei Special Steel Products Co.,Ltd |
7.1%
|
| 9 | SUN RISE TECHNOLOGIES CO.,LTD. |
7.1%
|
Derivation Method
The ranking is calculated based on the click share within the angular pin page as of April 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
6 | 75.0% |
|
Japan
|
1 | 12.5% |
|
Thailand
|
1 | 12.5% |
11 products found
11 products
CHAMPION CORPORATION Co., Ltd.
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This is a core pin made by Becu.
CHAMPION CORPORATION Co., Ltd.
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A needle pin with a tip diameter of φ0.28.
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This is a long runner lock pin. Short delivery times are possible due to additional machining of standard products.
CHAMPION CORPORATION Co., Ltd.
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A long stepped center pin.
CHAMPION CORPORATION Co., Ltd.
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Guide pin for injection molds.
CHAMPION CORPORATION Co., Ltd.
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This is additional work on standard products.
CHAMPION CORPORATION Co., Ltd.
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Slanted pin with oil groove.
CHAMPION CORPORATION Co., Ltd.
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This is a pin with a tip diameter of φ0.51.
CHAMPION CORPORATION Co., Ltd.
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This is a φ50 guide pin. Induction hardening.
Essentra Components Japan Inc.
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Please contact us for details Contact information: TEL 045-321-2752 FAX 045-410-0383 mail: sales@essentracomponents.jp
Sanwa Creation Co., Ltd.
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Very Fast Response
■Product overview Core pins and center pins used in injection molds. In addition to being used to mold resin parts for medical and semiconductor ap...
