Product Overview
High-strength flat washers support heavy-duty bolted joints by spreading load and protecting surfaces under higher tightening force. We support standard sizes, custom thickness, material selection, surface treatment, export packing, and drawing-based washer production.

Key Specifications
MaterialCarbon Steel / Alloy Steel / Hardened Steel
StandardDIN125 / DIN6916 / ASTM F436 / Custom Drawing
GradeHardened / 8.8 / 10.9 / 12.9 matched
SurfaceBlack Oxide / Zinc Plated / Hot-dip Galvanized
Application Scenarios
- Steel structures
- Bridge projects
- Heavy equipment
- Foundation fastening
- High-strength bolt sets
Need a quotation?
Send inner diameter, outer diameter, thickness, material, surface treatment, quantity, drawings if available, and destination port.
