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Used Wrench Sale   Check out our quality used wrenches, all have been through a thorough inspection and repair process. LIST COMING SOON – posted 7/6/2018

TC Shear Wrench Rental – Have a project with TC Bolts but don’t have a TC Shear Wrench? Don’t worry, call us at Haydon Bolts and rent one for a week. Rentals available on a first come, first serve basis. Call now to reserve one today! 215-537-8700       .

TC Shear Wrench Repair TC Shear Wrench Repair got you bogged down in a million parts? Send it to us, we’ll make the necessary repairs, replace any broken parts and ship it back to you. Haydon Bolts carries a large inventory of TC Shear Wrench parts, that allows us to fix your Tone TC Shear Wrench […]

RCSC Section 4. Joint Types NOTE 2—Bolts are sometimes detailed with names such as A325 HS, A325 SC, A325 X or A490 N. These names relate to connection design and bolt installation, but do not change the manufacturing requirements and are preferably not shown on bolt orders. Snug-Tightened Joints – simplify design, installation and inspection and should be […]

Scope Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Current edition approved Oct. 1, 2011.

Scope 1.1 This specification covers round and miscellaneous shape steel plain (flat) washers furnished in an unhardened condition. The washers are intended for general use bolt, nut, and stud applications to provide increased bearing surface, spacing, and to prevent galling. Unless otherwise specified, the washers are furnished with dimensions conforming to B18.22.1, Type A, Tables […]

Scope This specification2 covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1⁄4″ through 4″ nominal. It also covers austenitic stainless steel nuts in the size range 1⁄4″ nominal and above. These nuts are intended for high-pressure or high-temperature service, or both. Other grades of A194 nuts exist but […]

Scope This specification covers the requirements for compressible-washer-type direct tension indicators capable of indicating the achievement of a specified minimum bolt tension in a structural bolt. Direct tension indicators are intended for installation under either a bolt head or a hardened washer. This specification provides for furnishing Types 325–3 and 490–3 to a Chemical Composition Requirement or […]

Scope 1.1 This specification covers the requirements for a coating of zinc mechanically deposited on iron and steel basis metals. The mechanical zinc coating is provided in several thicknesses up to and including 107 μm. The coating as deposited shall have a uniform silvery appearance, and a matte to medium-bright luster. Zinc coatings are usually […]

Scope 1.1 This specification² covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Bars and wire shall be hot-wrought and may be further processed by centerless grinding or by cold drawing. Austenitic stainless steel may be carbide solution treated […]

Scope This specification covers quenched and tempered alloy steel bolts, studs and other externally threaded fasteners, 4″ and under in diameter and under normal atmospheric temperatures, where high strength is required an for limited application at elevated temperature. Any alloy steel capable of meeting the minimum mechanical and chemical properties set forth in this specification […]

Long Bolt Procedure Pre-Installation Test instructions for bolts too long to fit into a bolt tension calibration device  ***Coming Soon***

Short Bolt Procedure Pre-Installation Test instructions for bolts too short to fit into a bolt tension calibration device  ***Coming Soon***

Structural Bolt Storage Section 2. Fastener Components 2.2 Storage of Fastener Components Fastener components shall be protected from dirt and moisture in closed containers at the site of installation. Only as many fastener components as are anticipated to be installed during the work shift shall be taken from protected storage. Fastener components that are not incorporated […]

Scope This specification covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength of 120 ksi for diameters 1″ and smaller, 105 ksi for diameters over 1″ to 1-1/2″ and 90 ksi for diameters 1-3/4″ to 3″ inclusive. It covers hex cap screws, bolts and studs for general engineering […]

As per F3125 (A325/F1852 & A490/F2280) you may use a stick wax or beeswax, in the field to re-lubricate HEX HEAD BOLTS ONLY!!! The stick wax shown below is an example of an acceptable stick or beeswax that may be used on hex head bolts to re-lubricate by the end user. To re-lubricate a hex head bolt in the […]

Scope This specification covers the chemical, mechanical and dimensional requirements for hardened steel washers for use with fasteners having nominal thread diameters of 1/4″ through 4″ and are intended for for general purpose mechanical and structural use with bolts, nuts, studs and other internally threaded and externally threaded fasteners. These washers are suitable for use with fasteners […]

Q: I need my certs right now, I can’t wait, how can I get them ASAP? A: Ask to be registered in our online certification program and you can access your certification documents any time after they have been invoiced. Certifications are uploaded the day after the order ships and in most cases has been […]

Overview Whenever you’re using pretensioned, high strength bolts, IE A325 & A490, ASSHTO, the RCSC and AISC require you to test at least 3 bolt assemblies, that are representative of what will be installed on site, all of which must meet or exceed the values in the RCSC’s Specification for Structural Joints Using High-Strength Bolts Table 7.1. The […]

Scope 1.1 This specification covers chemical and mechanical requirements for eight grades of carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs and other externally threaded parts. 1.3 Grades C3 and DH3 nuts have atmospheric corrosion resistance and weathering characteristics comparable to that of the steels covered in Specifications A242, […]