Description
Hardened structural load distribution
ASTM F436 Type 1 Hardened Steel Washers
Hardened carbon-steel washers for mechanical and structural fastener assemblies, available in circular, beveled and clipped styles.
Product overview
ASTM F436/F436M defines chemical, mechanical and dimensional requirements for hardened steel washers used with bolts, nuts, studs and other threaded fasteners. Type 1 identifies carbon steel; the correct washer style and dimensions depend on the structural connection and mating fastener.
F436 hardened washer specifications
| Washer standard | ASTM F436/F436M, ordered edition |
|---|---|
| Type | Type 1 carbon steel |
| Styles | Circular, beveled or clipped |
| Dimensions | Inch or metric dimensions to the ordered fastener diameter |
| Inspection | Hardness and dimensional inspection as specified |
| Finish options | Plain, black oxide, zinc or approved galvanized finish |
Dimensions, thread series, coatings, compatible nuts and washers, testing and documentation are supplied to the purchase order and the applicable standard edition.
Typical applications
Information required for quotation
- Applicable standard, grade and latest required edition
- Diameter, thread series and thread class
- Overall length, thread length and quantity
- Surface finish or coating system
- Matching nut and washer requirements
- Inspection, test certificate, marking and packing requirements
- Delivery destination and required schedule
Quality and documentation
SASA FLANGE can arrange material traceability, dimensional inspection, thread gauging, mechanical testing, coating inspection and EN 10204 documentation according to the confirmed purchase order. Product selection and final acceptance criteria remain subject to the governing design code and project specification.
Request a quotation
Send your fastener list, drawing or project specification for a technical review and quotation.








