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Large Diameter Standard & Specialty Fasteners

Dyson Corp. maintains a large inventory of large diameter standard and specialty fasteners… cutting and threading to meet your exact requirements! Normal stock deliveries are 2-5 business days, and same day shipments are also available. Product can be supplied in a variety of coatings and finishes to meet any of your fastener requirements!

Hex Bolts

Heavy Hex Bolts

Square Bolts

Heavy Square Bolts


Custom Bolts & Screws

Hex Cap Screws

Heavy Hex Cap Screws

Socket Head Cap Screws

Tap End Studs

Double End Studs

Closed Wire Rope U-Bolts

Anchor Bolts

Custom Pins (All Types)

Complete Tie-Rod Assemblies

Bridge Pins

  • Sizes
  • Specifications
  • Technincal Info

DIAMETERS: From 3/4″ up to 26″

LENGTHS: 1″ up to 36″

WEIGHT: Up to 10,000 Pounds

ASTM-A307, Grades A + B

SAE-J429, Grades 2, 5 + 8

ASTM-A325, Types 1 +3

ASTM-A449, Type 1

ASTM-F568M, Classes 8.8, 10.9 + 12.9

ASTM-A193, Grades B7, B16, B8 + B8M

ASTM-A320, Grades L7, L43, B8 + B8M

ASTM-A490, Types 1 + 3

ASTM-A354, Grades BC + BD


ASTM-A540, Grades B21-B24

ASTM-A668, All Classes


MATERIALS: Carbon. Alloy, Stainless, Nitronic, Inconel, Monel, K500 Monel, Titanium, Brass, Bronze and Copper

COATINGS:  Zinc, Cadmium, Phosphate, Ceramic, IVD, Chrome, Copper Flash, Black Oxide and MIL-C-87115