ANSI B18.5 Stainless Steel Round Head Square Neck Carriage Bolts

304 and 316 stainless round head square neck carriage bolts in inch sizes. Compare 77 ANSI B18.5 catalogue references by diameter, TPI and length.

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SKU: TONGMING-CATALOGUE-014 Category:

ANSI B18.5 Stainless Steel Round Head Square Neck Carriage Bolts

Inch-size round head carriage bolts with a square neck from the supplier ANSI B18.5 catalogue range. Select by material, diameter, threads per inch and length. Metric DIN 603 sizes are listed separately.

Product overview

  • Catalogue materials: 304 stainless steel (75 references) and 316 stainless steel (2 references).
  • Thread form: full thread for all 77 listed references.
  • Catalogue marking: unmarked. The photographs show a sample marked 304; confirm the required marking for the selected item. No strength class is inferred.
  • Form: round head with square neck.

Confirm head diameter, neck dimensions, thread tolerance and required standard edition against your drawing. Nuts and washers are not represented as included. Catalogue entries do not confirm current stock.

Catalogue specifications

Open a material and thread-size group. Diameter and length are inch values; TPI means threads per inch. Separate references for the same nominal size remain listed for accurate quotation.

304 stainless / 1/4-20 — 22 catalogue items
Material Diameter (in) TPI Length (in) Thread form Item reference
304 1/4 20 1/2 Full thread 5909
304 1/4 20 5/8 Full thread 5912
304 1/4 20 3/4 Full thread 5920
304 1/4 20 7/8 Full thread 5921
304 1/4 20 1 Full thread 5919
304 1/4 20 1-1/4 Full thread 5924
304 1/4 20 1-1/2 Full thread 5927
304 1/4 20 1-3/4 Full thread 5931
304 1/4 20 2 Full thread 5934
304 1/4 20 2-1/4 Full thread 5937
304 1/4 20 2-1/2 Full thread 5940
304 1/4 20 2-3/4 Full thread 5943
304 1/4 20 3 Full thread 311832
304 1/4 20 3-1/4 Full thread 129381
304 1/4 20 3-1/2 Full thread 5949
304 1/4 20 3-3/4 Full thread 129382
304 1/4 20 3-3/4 Full thread 311835
304 1/4 20 4 Full thread 311833
304 1/4 20 4-1/2 Full thread 311834
304 1/4 20 5 Full thread 5958
304 1/4 20 5-1/2 Full thread 5961
304 1/4 20 6 Full thread 5964
304 stainless / 5/16-18 — 18 catalogue items
Material Diameter (in) TPI Length (in) Thread form Item reference
304 5/16 18 5/8 Full thread 5356
304 5/16 18 3/4 Full thread 5364
304 5/16 18 7/8 Full thread 5365
304 5/16 18 1 Full thread 5363
304 5/16 18 1-1/4 Full thread 5368
304 5/16 18 1-1/2 Full thread 5371
304 5/16 18 1-3/4 Full thread 5374
304 5/16 18 2 Full thread 5377
304 5/16 18 2-1/4 Full thread 5380
304 5/16 18 2-1/2 Full thread 5383
304 5/16 18 2-3/4 Full thread 5386
304 5/16 18 3 Full thread 5391
304 5/16 18 3-1/4 Full thread 5395
304 5/16 18 3-1/2 Full thread 311841
304 5/16 18 4 Full thread 311839
304 5/16 18 4-1/2 Full thread 311842
304 5/16 18 5 Full thread 5409
304 5/16 18 5-1/2 Full thread 174307
304 stainless / 3/8-16 — 18 catalogue items
Material Diameter (in) TPI Length (in) Thread form Item reference
304 3/8 16 3/4 Full thread 2120
304 3/8 16 7/8 Full thread 2121
304 3/8 16 1 Full thread 2119
304 3/8 16 1-1/4 Full thread 2126
304 3/8 16 1-1/2 Full thread 2132
304 3/8 16 1-3/4 Full thread 2136
304 3/8 16 2 Full thread 2139
304 3/8 16 2-1/4 Full thread 2142
304 3/8 16 2-1/2 Full thread 2145
304 3/8 16 2-3/4 Full thread 2148
304 3/8 16 3 Full thread 2151
304 3/8 16 3-1/2 Full thread 2154
304 3/8 16 4 Full thread 316211
304 3/8 16 4-1/2 Full thread 2160
304 3/8 16 4-1/2 Full thread 311837
304 3/8 16 5 Full thread 2163
304 3/8 16 5-1/2 Full thread 311838
304 3/8 16 6 Full thread 2169
304 stainless / 1/2-13 — 17 catalogue items
Material Diameter (in) TPI Length (in) Thread form Item reference
304 1/2 13 1 Full thread 3404
304 1/2 13 1-1/4 Full thread 3407
304 1/2 13 1-1/2 Full thread 3410
304 1/2 13 1-3/4 Full thread 3413
304 1/2 13 2 Full thread 3418
304 1/2 13 2-1/4 Full thread 3421
304 1/2 13 2-1/2 Full thread 3426
304 1/2 13 2-3/4 Full thread 3431
304 1/2 13 3 Full thread 3436
304 1/2 13 3-1/2 Full thread 3442
304 1/2 13 4 Full thread 3446
304 1/2 13 4-1/2 Full thread 311830
304 1/2 13 5 Full thread 3460
304 1/2 13 5 Full thread 311829
304 1/2 13 5-1/2 Full thread 311831
304 1/2 13 5-1/2 Full thread 3465
304 1/2 13 6 Full thread 3469
316 stainless / 1/4-20 — 2 catalogue items
Material Diameter (in) TPI Length (in) Thread form Item reference
316 1/4 20 4 Full thread 332250
316 1/4 20 6 Full thread 332249

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