asme-b18-10-oval-neck-track-bolts

Dimensions of Oval Neck Track Bolts

Nominal Diameter and Threads per Inch, DFull Size Body Diameter, EHeadNeckLength Under Head, LMinimum Thread Length, I
AHr1r2ORPr3V
MinMaxNomMinMaxNomMinMaxNomMinMaxNomMinMax
1/2 – 130.4820.5157/80.81250.93755/160.250.375011/169/325/80.59380.656319/320.56250.62505/161/2 body dia. of BoltsSame as body dia. of boltsUnder 7 in. by steps of 1/4 in.
From 7 in. to 10 in. by steps of 1/2 in.
11/8
5/8 – 110.6050.64215/641.01561.140625/640.330.453159/6423/6413/160.78130.843825/320.75000.81253181 1/
3/4 – 100.7290.76819/321.21881.343815/320.410.53131 5/327/161 1/161.03131.09381 1/321.00001.06257/161 3/4
7/8 – 90.8520.8951 31/641.42191.546935/640.480.60941 25/6433/641 7/321.18751.25001 3/161.15631.21881/22
1 – 80.9761.0221 11/161.6251.755/80.560.687515/819/321 3/81.34381.40631 11/321.31251.37509/162 1/4
1 1/8 – 71.0981.1491 57/641.82811.953145/640.640.76561 55/6443/641 7/321.50001.56251 1/21.46881.53135/82 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
  • Standard sizes for industrial use are 1/2, 5/8, 3/4, 7/8 and 1 in. with heavy square nuts.
  • Applies to all rows.