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

Dimensions of Elliptical Neck Track Bolts

Nominal Diameter and Threads per Inch, DFull Size Body Diameter, EHeadNeckVLength Under Head, LMinimum Thread Length, I
AHr1r2ORPr5r6
MinMaxNomMinMaxNomMinMaxNomMinMaxNomMinMax
3/4 – 100.72900.7681 9/321.21881.343815/320.4060.53131 5/327/1663/640.95311.01566 1/640.92190.98447/169/324 1/64Same as body Diam. of BoltsUnder 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 – 90.8520.8951 31/641.42191.546935/640.4840.60941 25/6433/641 3/161.15631.21881 5/321.1251.18751/25/165 1/642
1 – 80.9761.0221 11/161.6251.755/80.5630.68751 5/819/321 3/81.34381.40631 11/321.31251.37509/163/81 5/162 1/4
1 1/8 – 71.0981.1491 57/641.82811.953145/640.6410.76561 55/6443/641 1/21.53131.46881 15/321.43751.50005/87/1612 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.