Construction Accessories

This unique mix of fastening components are used in heavy construction and infrastructure projects. Commonly found in seawalls, lock/dam and bridges, Dyson Upset Tie-Rod assemblies, Bridge Pin sets, Forged Diagonals and Eyebolts make up a large portion of this product line. Items are custom manufactured in-house on a variety of open die forging machines. Finish machining and threading of both internal & external fasteners provide proper fit at the jobsite...guaranteed.

Dyson has an outstanding reputation for producing large fastening accessories for heavy construction applications. Items such as upset tie rod assemblies, custom forged eyebolts and transitional forgings are made using stringent quality procedures. This product Is custom made to the customers exact requirements.

View more detailed information about Construction Accessories

1-3/4" thru 6" Larger sizes available

Product

• Upset Tie-Rod or Straight Rod assemblies with optional Turnbuckles, Sleeves, Clevises, Nuts, washers, and Eye Ends.
• Transition (paddle) Forgings with Nuts and Washers.
• Bridge Pins with Pin Nuts and optional Pilot & Driving Nuts.
• Stirrup Rod (offset Eyebolts) Assemblies with Nuts & Washers.
• Large diameter Loop Rods, Eyebolts and U-Bolts.
• Other product Includes Shackles, Anchor Bolts, T-Head Bolts, U-Bolt Spools, Yoke Ends and Forged Hooks.

Sizes

• 1" (M24) thru 6" (M150) diameter with lengths up to 384".
• Smaller and larger diameters are available upon request In both English and Metric sizes.
• Maximum diameter: 20".
• Maximum length: 60 ft.
• Maximum weight: 10,000 lbs.

Grades

CARBON STEEL

• ASTM-A36
• ASTM-A307, grades A & B
• ASTM-A449, type 1
• ASTM-A572, grades 42 & 50
• ASTM-A576, grades 1018-1045
• ASTM-A5B8, grades A-C
• ASTM-A668, classes A-F
• ASTM-F568, class 8.8

ALLOY STEEL

• ASTM-A193, grades B7 & B16
• ASTM-A354, grades BC & BD
• ASTM-A540, grades B21-B24
• MIL-S-24093, types 1 or 2
• ASTM-A668, classes G-N
• ASTM-F56B, classes 10.9 & 12.9

Other material options include Carbon, Alloy & Stainless steels plus exotics such as titanium, Monel, Inconel, Nitronic, brass, bronze and tool steels.

Dyson can also produce construction accessories in other specifications Including ASTM, SAE, ASME, Military & Federal standards, ISO, AASHTO and custom specs.

Thread Options

• Standard threads are UNC, 8UN & UNF Class 2A or 3A. Right Hand.
• Right hand and left hand threads available.
• Root and Crest radius (UNR & UNJ) are available.
• Specials include interference fit, ACME, Buttress, Whitworth, Pipe, tapered and custom.
• Threads are chaser cut (thru 6") as a standard. Available options are single point cut (thru 20"), rolled (thru 8") or ground.
• Thread lengths can vary based on customer need.
• Standard thread runout Is 1/2" to 3/4". Shorter runout is available.
• Internal holes can be either tapped or single point threaded.
• Blunt start threads are available.

Coating Options

Dyson uses only qualified coaters and can offer most finishes including HDG, Epoxy, mechanical galv, Zinc, Cadmium, Chrome, Black Oxide, Phosphate, Nickel and Copper.

Machine Options

Construction accessories can have any surface forged, machined or ground. Machined broaching and deep hole drilling are also available. We can work to your required tolerances and finishes.

Our In house forging allows us to fully conform to ASTM-A668 and MIL-S-24093

Send us your custom drawings and specifications.