Products / Washers

All Washer Types on One Page

Inside diameter, outside diameter, thickness, hardness and flatness are selected around the fastener and bearing surface.

Standard: ASME B18.21.1, DIN 125, ISO 7089 or drawing
Configuration: Standard, large OD or close tolerance
Materials: Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing: Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Load-distribution washer

Flat Washers

Plain washers in alloy grades for corrosion-resistant and high-temperature bolted joints.

Standard: ASTM F436 dimensional basis or drawing
Configuration: Circular, clipped or bevelled by requirement
Materials: Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing: Dimensional inspection; PMI, hardness, tensile or additional testing when specified

High-load washer

Controlled-hardness washers for demanding bearing surfaces and high-preload joints.

Standard: DIN 2093 or drawing
Configuration: Single, nested or stacked arrangement
Materials: Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing: Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Disc spring washer

Conical spring washers for preload retention and controlled axial deflection.

Standard: Customer drawing and agreed specification
Configuration: Stamped, laser-cut or machined after review
Materials: Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing: Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Drawing-based washer

Non-round, tabbed, stepped and precision-machined washer geometries made to drawing.