Flat Washers, Lock Washers, Beveled Washers and Structural Washers
washers
USS Flat Washers
(84)- One of the most common types of flat washers, National Bolt & Nut’s Type A wide series USS flat washers possess a flat bearing surface underneath the fastener that more evenly distributes pressure. Designed to meet most industrial applications, ranging from maintenance to manufacturing and repair, USS flat washers help prevent a nut, bolt, or screw from pulling through the material. Our USS flat washers meet ANSI B18.22.1 dimensional specifications.
- Other materials and finishes available. For further information, call or send an information request.
Helical Spring Lock Washers
(78)- Helical spring lock washers possess a hardened bearing surface that allows for more uniform torque control, and harness greater bolt tension per unit of applied torque. Helical spring lock washers are one of the most common anti-loosening components used for a great variety of general industrial assemblies.
- Constructed from hardened steel material, our helical spring lock washers meet ANSI B18.21.1 dimensional specifications and are equipped with a plain finish.
- Other materials and finishes available. For further information, call or send an information request.
SAE Flat Washers
(63)- National Bolt & Nut offers a series of type A, narrow SAE flat washers that meet ANSI B18.22.1 dimensional specifications. Similar in style to USS flat washers, SAE flat washers are constructed from thinner materials and offer a smaller inner and outer diameter than their USS counterparts.
- SAE flat washers are ideal for many automotive engineering applications.
- Other materials and finishes available. For further information, call or send an information request.
Structural Washers
(13)- National Bolt & Nut’s line of heavy-duty structural washers are ideal for structural steel fastening applications and are commonly used by the wind turbine and industrial building industries to ensure that all combined steel parts are truly secure and set in place.
- Made from hardened alloy steel, our line of structural washers are heat-treated and constructed to meet ASTM F436 specifications for both dimension and finish.
- Other materials and finishes available. For further information, call or send an information request.
Metric Lock Washers
(11)- National Bolt & Nut's line of premium metric lock washers are designed to help prevent a nut from loosening by placing tension against the nut after tightening. All of our metric lock washers meet DIN 127 dimensional specifications and are constructed from hardened alloy steel.
- Other materials and finishes available. For further information, call or send an information request.
Metric Flat Washers
(10)- Metric flat washers are placed under the head of the bolt or nut. These washers distribute pressure evenly between the fastened components while the nut is being tightened. This distribution of stress helps prevent the nut from loosening.
- Our line of metric flat washers is built to meet DIN 125 dimensional specifications.
- Other materials and finishes available. For further information, call or send an information request.
Beveled Washers
(6)- Meeting ANSI B18.2.6 dimensions, our line of beveled washers are constructed from medium carbon steel and then hardened per ASTM F436 specifications. Beveled washers are usually intended to compensate for lack of parallelism in structural applications involving American standard beams and channels. Beveled washers are commonly used for fastening bolts through the flanges of I" beams.
- Other materials and finishes available. For further information, call or send an information request.
