Button Head Elliptic Neck Track Bolts

The body type of button head elliptic neck track bolts in general use has the thread rolled to a larger diameter than the body. Bodies of these elliptic neck track bolts are approximately 1/16 inch smaller in diameter than the threaded section. When cut threads are specified, the body diameter is approximately equal to the outside diameter of the threaded section. The grades for button head elliptic neck track bolts are usually grade 5 or grade 8 according to SAE J429. And all button head elliptic neck track bolts and nuts must have Class 2A and Class 2B thread fit. Our factory has full experience of producing track bolts and nuts and our railway fasteners are widely used in various railroads and electric railways in the United States and Canada.

The threads of all button head elliptic neck track bolts shall be hot or cold rolled, or cut and the threads of the nuts tapped. The fir between the elliptic neck track bolts and nuts shall be such that the nut will screw on the bolt readily by hand for at least the first two turns. Button head elliptic neck track bolts and heavy square nuts shall be smooth, straight, of uniform size with well-shaped symmetrical outlines, free from checks, burrs, fins, cracks, or other injurious defects and finished in a first class workmanlike manner.

There are various packing ways for button head elliptic neck track bolts. Most customers require 200lbs metal keg for the track bolts and nuts.There are nine kegs per pallet. Some customers prefer 50lbs plastic buckets with or without handles. Button head elliptic neck track bolts and nuts can also be packed in 4 wall special pallet boxes with 4 wood posts on the inside of the box. Our factory can meet your various package requirements.