Carriage Bolts

Custom Carriage Bolts Manufacturer

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Heatfastener

Carriage Bolts Supplier

We are the largest Carriage Bolts Manufacturer, Factory, Supplier In China, specializing in various custom carriage bolts and nuts, support stainless steel, copper, brass, carbon steel, titanium, aluminum, materials, etc. We can provide you with not only high-quality products but also fastener solutions.

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Heatfastener offers fully customized custom bolts and screws according to your needs. We can bring your fastener design to reality, and everything according to your requirements.

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Carriage Bolts Details

 Coach bolts are used for connecting metal to timber, or to join heavy timbers. These bolts were designed for use with square plate washers on either side of a wooden beam. They are often used now however with bare timber as the coach bolt has developed. 


Also known as carriage bolts, coach bolts are extremely heavy-duty and have a square or hexagonal head which requires a wrench, spanner, or pliers to turn.

The Head usually is a shallow dome, the shank has no threads, and its diameter equals the side of the square cross-section.

They are designed for with Nuts and generally washers, typically a washer is not used on the head side as this prevents the square underside of the head from functioning properly. used extensively in security fixing, suck as locks and hinges, where the bolt must be removable from one side only, the smooth, domed head and the square nut below prevent the carriage bolt from being unlocked from the insecure side

Product Name SizeBolts LengthGradeStandardServiceAvailable MaterialHead DriveHead TypeSurface treatmentCertificates
Carriage boltsM3,M4,M6,M8,M10,M12, TO M56 or custom6mm-500mm4.6,4.8,5.6,6.8,8.8,9.8,10.9,A2-70,A4-80,etcISO, DIN, ASTM, ANSI, JIS, EN, ASOEM / ODM / customized service provided
Stainless Steel,Carbon steel,Aluminum,Brass,Copper,etc		Slotted, Torx, Phillips, Torx Pin etcPan, Truss, Flat, Button etcNature color,Black oxide,Phosphate,Zinc plated,Dacroment,etc
ISO9001,ISO14001,IATF16949,ROHS

Normally carriage bolts can be made different coating according to the customer’s application. they are zinc plated, yellow zinc, H.D.G, black oxide, Chrome, Teflon. etc

carriage bolt finish

Application

Carriage bolts are a sort of hexagon bolts was experts for usage in woodworking, specifically, attaching steel to timber. Carriage screws are developed with a domed head, which can avoid loosening up from one side, a bigger head form likewise stops the screw from being pulled through a wood building and construction

COACH BOLTS USED FOR CONSTRUCTION
Coach bolts are pivotal for most large building projects. They are manufactured in many different sizes, from small bolts perfect for home DIY and local trade use to huge coach bolts for giant industrial construction projects. 
Coach bolts are often used at critical points within a structure to join segments together. They’re sturdy and are far superior to nails and many other bolt types. 

carriage bolt application

Heatfastener is a leading custom carriage bolt and we produce many kinds of carriage bolts and different sizes or materials, copper carriage bolts, slotted carriage bolts, plastic carriage bolts, and more

WHAT FINISH DO I NEED?
Our range of coach bolts comes in 3 different finishes. Bright Zinc Plated, Galvanised, and Stainless Steel. Bright Zinc Plated (BZP) is generally used for indoor applications such as bolting 2 or 3 timber joists together. Galvanized coach bolts should be used for outdoor applications such as fencing or building work exposed to the elements. All Galvanised coach bolts supplied by tradefixdirect.com are hot-dipped which is a very robust coating high than Bright zinc plated and as such has a longer life span. Stainless Steel coach bolts should be used in areas of high pollution, coastal regions, and where oak timbers are being used. 

Also, custom carriage bolts are available, any size and finish, materials.

SizeGradeFinish
M6 x 20CLASS 4.6ZINC PLATED
M6 x 25CLASS 4.6ZINC PLATED
M6 x 30CLASS 4.6 ZINC PLATED
M6 x 40CLASS 4.6 ZINC PLATED
M6 x 45CLASS 4.6 ZINC PLATED
M6 x 50CLASS 4.6 ZINC PLATED
M6 x 60CLASS 4.6 ZINC PLATED
M6 x 65CLASS 4.6 ZINC PLATED
M6 x 70CLASS 4.6 ZINC PLATED
M6 x 75CLASS 4.6 ZINC PLATED
M6 x 80CLASS 4.6 ZINC PLATED
M6 x 90CLASS 4.6 ZINC PLATED
M6 x 100CLASS 4.6 ZINC PLATED
M8 x 20CLASS 4.6 ZINC PLATED
M8 x 25CLASS 4.6 ZINC PLATED
M8 x 30CLASS 4.6 ZINC PLATED
M8 x 40CLASS 4.6 ZINC PLATED
M8 x 50CLASS 4.6 ZINC PLATED
M8 x 60CLASS 4.6 ZINC PLATED
M8 x 65CLASS 4.6 ZINC PLATED
M8 x 70CLASS 4.6 ZINC PLATED
M8 x 75CLASS 4.6 ZINC PLATED
M8 x 90CLASS 4.6 ZINC PLATED
M8 x 100CLASS 4.6 ZINC PLATED
M8 x 120CLASS 4.6 ZINC PLATED
M8 x 130CLASS 4.6 ZINC PLATED
M8 x 140CLASS 4.6 ZINC PLATED
M10 x 20CLASS 4.6 ZINC PLATED
M10 x 25CLASS 4.6 ZINC PLATED
M10 x 30CLASS 4.6 ZINC PLATED
M10 x 40CLASS 4.6 ZINC PLATED
M10 x 45CLASS 4.6 ZINC PLATED
M10 x 50CLASS 4.6 ZINC PLATED
M10 x 60CLASS 4.6 ZINC PLATED
M10 x 65CLASS 4.6 ZINC PLATED
M10 x 70CLASS 4.6 ZINC PLATED
M10 x 75CLASS 4.6 ZINC PLATED
M10 x 85CLASS 4.6 ZINC PLATED
M10 x 90CLASS 4.6 ZINC PLATED
M10 x 100CLASS 4.6 ZINC PLATED
M10 x 110CLASS 4.6 ZINC PLATED
M10 x 120CLASS 4.6 ZINC PLATED
M10 x 130CLASS 4.6 ZINC PLATED
M10 x 140CLASS 4.6 ZINC PLATED
M10 x 150CLASS 4.6 ZINC PLATED
M10 x 170CLASS 4.6 ZINC PLATED
M10 x 180CLASS 4.6 ZINC PLATED
M10 x 190CLASS 4.6 ZINC PLATED
M10 x 200CLASS 4.6 ZINC PLATED
M12 x 40CLASS 4.6 ZINC PLATED
M12 x 50CLASS 4.6 ZINC PLATED
M12 x 65CLASS 4.6 ZINC PLATED
M12 x 70CLASS 4.6 ZINC PLATED
M12 x 75CLASS 4.6 ZINC PLATED
M12 x 85CLASS 4.6 ZINC PLATED
M12 x 90CLASS 4.6 ZINC PLATED
M12 x 100CLASS 4.6ZINC PLATED
M12 x 120CLASS 4.6 ZINC PLATED
M12 x 130CLASS 4.6ZINC PLATED
M12 x 150CLASS 4.6 ZINC PLATED
M12 x 180CLASS 4.6ZINC PLATED
M12 x 200CLASS 4.6ZINC PLATED

Custom carriage bolts are available

Need Customized Carriage Bolts for Your Industry?

As a 20-year industry experience manufacturer with a factory equipped with precision machines, we can provide, from consultation to production, a one-stop solution for you.

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About Us

Shenzhen Heat Hardware Co., Ltd is a leading custom screw manufacturer in China founded in 2000 years. We are specializing in custom screws, security screws, Sems screws, Chicago Screws, Weld Screws, Long screws, Micro Screws, Thumb Screws, Set Screws, Custom bolts, carriage bolts, nuts, and other custom Fasteners. With more than 20years of industry experience. We have serviced over 20000customers including the aerospace industry, automotive industry, electronics, mechanical and electrical products, robots, the Medical industry, communications industry, Outdoor sports products, smart appliances, etc. we can provide one-stop fastener customized service for you no matter what kind of custom fastener you need.

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Frequently Asked Questions

Carriage bolts are made use of to hold together timber with timber, timber with steel, and also steel with steel. Their certain form enables the screw to be self-locking when positioned with a square opening, particularly when managing steel. Conversely, it can additionally be conveniently positioned with a rounded opening in the majority of types of timber, making it a flexible device.

One of the most generally utilized kinds of carriage bolts consists of roundhead as well as rib-necked screws, roundhead and also short-necked bolts, flathead and also square-necked screws, and also fin necked screws. Every one of these screws has differing application locations and also physical buildings. These are utilized with every little thing from soft steels, plastics, timber, sheet steel as well as slim plywood.

One of the most usual contemporary applications of carriage bolts is woodworking and also timber building. They are often made use of by homeowners, as well as likewise by expert woodworkers, for do-it-yourself jobs, house repair, and maintenance.

A carriage bolt is a distinct bolt that includes a mushroom head as well as an around shank cross-section. The part instantly listed below the mushroom head, nonetheless, is developed right into a square area. The head is generally superficial as well as dome-shaped. The settled area has an ordinary unthreaded shank as well as is of the very same dimension as the screw shank’s size.

Carriage bolts have actually been around for centuries. In the very early 1800s, they came to be preferred since they were commonly utilized in the building and construction of carriages as well as carriage wheels, therefore being christened carriage screws.

Carriage Bolts are designed for use with Nuts and generally Washers, typically a Washer is not used on the head side as this prevents the square underside of the head from functioning properly.

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We have a variety of production requirements of equipment, can meet any customized demands. can provide comprehensive fastener solutions. Anything you need can make by Heatscrew.

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Threading Rolling

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