Jun 16, 2022 Leave a message

About Carriage Bolts, Learn About Carriage Bolts And Select The Appropriate Carriage Bolts!

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Introduction to carriage bolts



     



Carriage bolt refers to round head square neck bolt. Carriage bolt is divided into large half round head carriage bolt (corresponding to gb/t14 and din603) and small half round head carriage bolt (corresponding to gb/t12-85) according to the size of head. It is a kind of fastener composed of head and screw (cylinder with external thread). It needs to be matched with nut to connect two parts with through holes.

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Carriage bolts shall be used in the groove. The square neck is stuck in the groove during installation to prevent the bolt from rotating. Carriage bolts can move in parallel in the groove. As the head of carriage bolt is semicircular, there is no design of available power tools such as cross groove or hexagonal socket, which can also play a role in anti-theft in the actual connection process.



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Dimension table of stainless steel carriage bolts



     


Stainless steel carriage bolts, also known as stainless steel square neck bolts, are used because the carriage screws have a large amount of deformation and need softer materials. The ring shaped concentric circles at the bottom of the head are specially designed for better extrusion deformation.

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Carriage bolt size gb14/din603

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About Jinrui

Whether you are a fastener demander / dealer / supplier, if you want to learn more, please leave a message or visit the official website of :www.jiangsujinrui.com

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Factory direct sales of various specifications of carriage bolts.


Jiangsu Jinrui metal products Co., Ltd. is the production base of Shanghai Jinrui standard parts. The factory covers an area of more than 20000 square meters, with a registered capital of 50million yuan, a total investment of more than 100million yuan, and an annual output of more than 20000 tons. Its products are exported to more than 40 countries overseas.


Since its establishment in 2001, Jinrui company has developed into a new layout with Jiangsu Haian as its production base and Shanghai Baoshan and Henan Nanyang as its sales centers after more than 20 years of unremitting efforts.



At present, Jinrui's main products include the following six categories:



1. the main bolt products include: metric and American round head oval neck bolts (also known as fishtail bolts), inner and outer hexagon bolts, hexagon flange bolts, carriage bolts, hub bolts, etc



2. stud products: full thread thread thread, double head studs, etc



3. nut products: Hexagon nuts, flange nuts, heavy nuts, square nuts, butterfly nuts, etc



4. screw products: self tapping screws, self tapping and self drilling screws, wood screws, various machine screws, etc



5. washer products: flat washer, spring washer, square washer, locking washer, etc



6. fastener related non-standard products



Jinrui's wire drawing plant also provides processing services such as fine drawing, coarse drawing and spheroidization of wire rods, and supplies finished wire rods of various domestic big brand steel mills.



Based on the business philosophy of "pioneering innovation and pursuing excellence", Jinrui has successively introduced multiple models of heading and forming machines, threading machines, nut machines, hot heading and rolling machines, lathes, large hot heading machines and their supporting testing equipment, such as magnetic particle flaw detectors, metallographic analyzers, salt spray testing machines, direct reading spectrometers and optical screening machines, tensile machines, Vickers hardness testers, Rockwell hardness testers, etc., and has established an independent R & D department, It can produce various high-quality fasteners such as GB, DIN, ANSI, JIS and ISO international standards. The products are widely used in the fields of petroleum, chemical industry, boiler, wind power generation, highway guardrail, elevator guide rail, machinery manufacturing, construction sites, auto parts and medical devices.


Since its establishment, Jinrui has developed vigorously. It integrates the advantages of each company, carefully designs and strictly selects materials to make the products more durable and highly praised by the majority of users. Jinrui won the ISO9001:2000 international quality system certification in 2001, the special equipment manufacturing license in 2010, and the TS16949 automobile quality management system certification in 2012. The people's Insurance Company of China underwrites the "global product liability insurance" to ensure that every screw should be used with confidence, firmness and peace of mind!


No matter now or in the future, Jinrui will always grasp the core service concept of "quality first, invigorating the enterprise through science and technology, putting users first and providing considerate service", and sincerely provide you with high-quality services and high-quality products. Jinrui will also become your most loyal and long-term partner.



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