Stainless Steel Carriage Bolt
Square neck bolts, also known as carriage bolts, have a unique design that includes a square neck underneath a rounded head. These bolts are typically used in wood applications but can also be used in various industries. The bolt consists of a head and a threaded screw, which is used in conjunction with a nut to securely fasten and connect two parts with through holes. One notable feature of the carriage bolt is that its threaded rod is cylindrical with an external thread. Despite their simple design, carriage bolts are highly versatile and can be used in a variety of applications beyond woodwork.
If you require high-quality and long-lasting carriage bolts, consider opting for stainless steel carriage bolts. These bolts are specifically designed to offer excellent corrosion resistance and scratch resistance, making them ideal for outdoor and even underwater use. With their exceptional durability, stainless steel carriage bolts are undoubtedly the preferred choice for projects that demand robust and reliable fastening solutions. So, if you're looking for top-of-the-line carriage bolts, look no further than the stainless steel variety.
Jinrui, a leading manufacturer and supplier of steel carriage bolts in China, is known for its exceptional products. With a wide range of offerings, such as hex bolts, square neck carriage bolts, oval neck bolts, hex nuts, screws, washers, and stud bolts, Jinrui caters to diverse customer needs. If you are looking for high-quality steel carriage bolts, look no further and choose Jinrui as your reliable supplier.
Features and advantages of carriage bolts:
All the raw materials used in the production of our company's carriage bolts are sourced from reputable steel mills, and we can supply material reports to validate this information.
There is a broad range of sizes available for these fasteners, spanning from M5 to M20. Additionally, the length can vary from 10mm up to 500mm, providing ample flexibility for various applications. To produce similar content, this information could be rephrased as follows: These fasteners are available in a wide range of sizes, offering options that range from M5 all the way up to M20. Furthermore, the length of these fasteners can range from 10mm to 500mm, providing considerable versatility for various uses.
The high-quality steel carriage bolt exhibits excellent thread precision, typically in the range of 6g, 6h, and similar grades. When combined with the corresponding nut, the assembly feels remarkably smooth and seamless.
Our carriage bolt is in compliance with ISO standards, specifically ISO898, ensuring a high-grade product. Additionally, the exquisite coating we apply to the bolt not only provides an aesthetic appeal but also offers excellent corrosion resistance. This coating further enhances the toughness and durability of the product, making it reliable and long-lasting.
Production Process of Carriage Bolts
Specification of Stainless Steel Carriage Bolt
d | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | |
b | L≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
125＜L≤200 | 22 | 24 | 28 | 32 | 36 | 44 | 52 | |
L>200 | - | - | 41 | 45 | 49 | 57 | 65 | |
dk | max | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 | 46.8 |
min | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 | 45.2 | |
ds | max | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
k1 | max | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 | 15.9 |
min | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 | 14.1 | |
k | max | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
min | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 | |
r1 | ≈ | 10.7 | 12.6 | 16 | 19.2 | 24.1 | 29.3 | 33.9 |
r2 | max | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 |
r3 | max | 0.75 | 0.9 | 1.2 | 1.5 | 1.8 | 2.4 | 3 |
s | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
Common Grade and Coating
Standard | Material | Grade | Finish | Thread |
DIN933 | carbon steel | 4.6 | Plain | UNC |
Zinc plated | ||||
Alloy steel | Yellow zinc plated | |||
PTFE | ||||
Stainless steel | Black Oxide | UNF | ||
Dacromet | ||||
Other | HDG | |||
Other |
Application Area of Stainless Steel Carriage Bolt
Stainless steel carriage bolts are generally used for marble installation of dry hanging parts. When tightening, the bolt rod will not rotate because of its square neck, which is convenient for fixing and installation. It is mainly used in places where countersunk screws are required
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