United Steel and Fasteners
1500 Industrial Drive
Itasca, Il 60143
630-250-0900
email: us_f@msn.com                                                             Home



TRACK BOLTS

United Steel & Fasteners supplies two types of track bolts, button head oval neck and button head elliptical neck.  Both types are manufactured to A.R.E..A. and A.S.T.M., and A-183 specifications.  Bolts are furnished with rolled or cut threads.  Also furnished with medium carbon heavy square nuts either in free fit or wrench fit threads.  Available in 3/8”, ½”, 5/8”, ¾”, 13/16”, 7/8”, 15/16”, 1”, 1-1/16” and 1-1/8”.

Tensile strength, min psi.....
Yield point, psi…….............
Elongation in 2 in...............
Reduction of area...............

110,000
80,000
12 per cent
25 per cent

Diam Length

Head

Oval Neck

Elliptical Neck

Min Thread
Lgth

 

Nuts

D L A H r1 r2 O R P O R P r1 r2 I Threads per inch Thick-
ness
Width across Flats
3/8   11/16 15/64     17/32 33/64 3/16           1 1/16 16 3/8 11/16
1/2   7/8 5/16 11/16 9/32 5/8 19/32 5/16           1 1/8 13 1/2 7/8
5/8   1 5/64 25/64 59/64 23/64 13/16 25/32 3/8           1 1/4 11 5/8 1 1/16
3/4 As 1 9/32 15/32 1 5/32 7/16 1 1/16 1 1/32 7/16 63/64 61/64 7/16 9/32 41/64 1 3/4 10 3/4 1 1/4
13/16 Specified 1 9/32 15/32 1 5/32 7/16 1 1/16 1 1/32 7/16 1 1/8 1 3/32 15/32 19/64 25/32 1 7/8 10 13/16 1 1/4
7/8   1 31/64 35/64 1 25/64 33/64 1 7/32 1 3/16 1/2 1 3/16 1 5/32 1/2 5/16 51/64 2 9 7/8 1 7/16
15/16   1 31/64 35/64 1 25/64 33/64 1 7/32 1 3/16 1/2 1 7/32 13/16 17/32 23/64 27/32 2 1/8 9 15/16 1 1/2
1   1 11/16 5/8 1 5/8 19/32 1 3/8 1 11/32 9/16 1 3/8 1 11/32 9/16 3/8 15/16 2 1/4  8 1 1 5/8
1 1/16   1 11/16 5/8 1 5/8 19/32 1 3/8 1 11/32 9/16 1 7/16 1 13/32 19/32 25/64 31/32 2 3/8 8 1 1/16 1 5/8
1 1/8   1 57/64 45/64 1 55/64 43/64 1 17/32 1 1/2 5/8 1 1/2 1 15/32 5/8 7/16 1 2 1/2 7 1 1/8 1 13/16