Round Head Ribbed Neck Bolts

This round head ribbed neck bolts are innovative type of fastener. It features a round head design, with the threaded part of the bolt having threads, and the middle part of the neck has raised ribs. They are usually made of carbon steel and undergo various surface treatment methods, such as galvanization and black treatment, which can meet different usage requirements.

Product details

Round head ribbed neck bolts can repair loose lawn mower handles. Ribbed neck bolts can resist the erosion of grass chips and soil, and round-head bolts can work normally even when wearing greasy gloves. There is no need to worry about unstable grip strength when mowing the grass.

It can be used in the furniture manufacturing industry.For example, when making a solid wood dining table, the tabletop and the table legs are separate. If you want to connect them, you can use this kind of bolt. Its round head will not leave a depression on the tabletop, and the bolt with a ribbed neck can prevent the bolt from rotating during installation, thus easily fixing the table legs and the tabletop firmly, making the dining table both sturdy and durable.

The most distinctive feature of this round head ribbed neck bolts is the ribbed neck. These raised ribs will be inserted into the pre-drilled holes during installation, replacing traditional locking washers or chemical adhesives through physical interlocking to maintain the stability of the bolt, avoiding the risk of loosening, and significantly improving the installation efficiency and enhancing the stability of the connection.

Product parameters

Product selling point

The greatest advantage of the round head ribbed neck bolts is that they have good anti-loosening effect and are easy to install. Its ribbed neck can be tightly clamped into the holes of the material. Even when subjected to vibration or impact, it is not easy to loosen, and the connection is particularly stable. The round head does not protrude too much after installation, does not affect the appearance, and is not easy to scratch other things. It is very convenient to use.

Product Specifications

Round Head Ribbed Neck Bolts come in all kinds of specs. The main ones are diameter and length—usually, diameters go from 4mm to 20mm, and lengths from 10mm to 150mm. These are standard sizes, so they fit most regular tapped holes you’ll run into.

When it comes to grades, the carbon steel ones mostly come in 4.8 and 8.8. Grade 4.8 is for regular, light-load jobs, while 8.8 is stronger and works for heavier loads. The stainless steel versions usually stick to 304 or 316 grade standards.

Every bolt has its size and grade marked clearly—either right on the head or on the packaging. If you need something non-standard, you can just talk it over with the supplier. The specs and grades are made to cover regular industrial assembly needs, no overly complicated options for basic uses.

Q&A Session

Q: How do I install Round Head Ribbed Neck Bolts properly to maximize their performance?

To maximize the performance of our Round Head Ribbed Neck Bolts, first insert the ribbed neck into a matching hole to stop spinning. Use a socket wrench to tighten the bolt evenly until it’s snug—avoid over-tightening, which can damage the ribs or threads. For soft materials, add a washer to distribute clamping force and prevent surface deformation.