Dimensions of Elliptical Neck Track Bolts

Nominal Diameter and Threads per Inch, D	Full Size Body Diameter, E		Head								Neck									V	Length Under Head, L	Minimum Thread Length, I
			A			H			r1	r2	O			R			P	r5	r6
	Min	Max	Nom	Min	Max	Nom	Min	Max			Nom	Min	Max	Nom	Min	Max
3/4 - 10	0.7290	0.768	1 9/32	1.2188	1.3438	15/32	0.406	0.5313	1 5/32	7/16	63/64	0.9531	1.0156	6 1/64	0.9219	0.9844	7/16	9/32	4 1/64	Same as body Diam. of bolt	Under 7 in. by steps of 1/4 in. From 7 in. to 10 in. by steps 1 of 1/2 in.	1 3/4
7/8 - 9	0.852	0.895	1 31/64	1.4219	1.5469	35/64	0.484	0.6094	1 25/64	33/64	1 3/16	1.1563	1.2188	1 5/32	1.125	1.1875	1/2	5/16	5 1/64			2
1 - 8	0.976	1.022	1 11/16	1.625	1.75	5/8	0.563	0.6875	1 5/8	19/32	1 3/8	1.3438	1.4063	1 11/32	1.3125	1.3750	9/16	3/8	1 5/16			2 1/4
1 1/8 - 7	1.098	1.149	1 57/64	1.8281	1.9531	45/64	0.641	0.7656	1 55/64	43/64	1 1/2	1.5313	1.4688	1 15/32	1.4375	1.5000	5/8	7/16	1			2 1/2

General Notes :

• All dimensions are given in inches.
• Tolerances:
  Length L +- 1/8 in.
  Neck O and R +- 1/32 in.
  Head A and H +- 1/16 in.

Notes :

• In ordering bolts, specify the nominal diameter D over the threads and not the body diameter
• Applies to all rows.