- Length of a carriage bolt is measured from the underhead bearing surface to the extreme end of the bolt . -Tolerance on #10 through 1 /2 sizes for nominal lengths of 7/8 and shorter shall be +.031 and … Small Parts FSC142CBZ Round Zinc Plated Square-Neck Carriage Bolt , Steel, Hex, 1 / 4 -20 Thread Size , 2 Long (Pack of 100) 20 rows Carriage bolts, Stainless steel 18-8, 1 / 4 -20. Carriage bolt length is measured from under …

A carriage bolt , coach bolt or round head square neck bolt is a form of . 10 Set Carriage Bolt Sets 304 Stainless Steel Carriage Screw Hex Nut and Flat Washer Kits 1 / 4 -20 Inches by RuiLing Page 1 of 1 Fastenal Product Standard REV-04 Date: January 15, 2016 CB.GRA.Z Carriage Bolts, Grade A, Zinc Plated The information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Portland Bolt manufactures carriage bolts from 1 /2″ diameter through 1 - 1 / 4 ″ diameter in most ASTM, AASHTO, and SAE specifications. Special tooling can be created to produce nonstandard head dimensions , carriage bolts larger than 1 ″ in diameter, or bolt …

Product catalog Carriage bolts Plow bolts Carriage bolts Zinc plated steel Coarse (standard) thread 1 / 4 -20 Carriage bolts, Zinc plated steel, 1 / 4 -20 x 1 Prod.