Materials and grades
Match the requirement to the assembly.
Carbon steel 38-45HRC These references require written confirmation for the requested dimensions and quantity.
Industrial Washers · MR-044
ASTM F436 hardened structural washers
ASTM F436 / F436M hardened structural washer (inch/metric)
The structural route is an assembly inquiry. Bolt, nut, washer, installation method and project documentation should be reviewed together.
Reference dimensionsMetric reference: M16-M36 (F436MMetric); Inch reference: 1/2"-1-1/2", 3/4"-1-1/4"; Length reference: buyer specification required
Material / gradeCarbon steel · 38-45HRC
Index-ready review · MARKET REFERENCE ONLY
Reference information only. Final supply options are subject to supplier confirmation.
Product overview
A focused starting point for procurement.
Washer inquiries are governed by the bearing interface as well as the hole size. Series, thickness, hardness and joint function should be stated explicitly. The structural route is an assembly inquiry. Bolt, nut, washer, installation method and project documentation should be reviewed together. This page is a market-reference starting point for a specification-led inquiry, not a statement of stock, supply capacity or a fixed manufacturing source.
Specify inner diameter, outer diameter, thickness, series, material or hardness, mating fastener and base material. Structural assemblies may require a defined washer set. Confirm whether the finish is decorative, corrosion-protective or part of a structural assembly system. Coating and hardness should be reviewed together.
HEXVARO is a China-based sourcing and coordination brand. The page does not claim factory ownership, stock, price, MOQ, lead time, certification or a fixed supplier relationship. Final supply options are subject to supplier confirmation.
Applicable standards
State the exact standard and revision.
The standard reference below is an inquiry anchor. It is not a claim that all listed dimensions, grades or finishes are available.
Reference Specifications
Use reference data to make the RFQ specific.
These are common inquiry specifications from the market-reference record. They are not an Available Sizes table and do not create a combined catalogue of materials, grades, dimensions or finishes.
| Reference | Inquiry geometry | Material / grade / finish | Mating components | Status |
|---|---|---|---|---|
| Reference 1 | ASTM F436 Type 1 · Inch-series · 3/4" × — · — · (Washer) | Medium-carbon steel · 38-45HRC · Buyer specification required | (For A325/A490Bolt) | REFERENCE ONLY |
| Reference 2 | ASTM F436 Type 1 · Inch-series · 7/8" × — · — · (Washer) | Medium-carbon steel · 26-45HRC · Hot-dip galvanized | (For A325/A490Bolt) | REFERENCE ONLY |
| Reference 3 | ASTM F436 Type 1 · Inch-series · 1" × — · — · (Washer) | Medium-carbon steel · 38-45HRC · Buyer specification required | (For A325/A490Bolt) | REFERENCE ONLY |
Each row is a reference inquiry example. Final supply options are subject to supplier confirmation; the source workbook contains no completed factory confirmation or evidence path for these rows.
| Field | Reference or buyer input | Status |
|---|---|---|
| SKU | MR-044 | REFERENCE ONLY |
| Reference dimensions | Metric reference: M16-M36 (F436MMetric); Inch reference: 1/2"-1-1/2", 3/4"-1-1/4"; Length reference: buyer specification required | BUYER CONFIRMATION REQUIRED |
| Material options | Carbon steel | BUYER CONFIRMATION REQUIRED |
| Grade reference | 38-45HRC | BUYER CONFIRMATION REQUIRED |
| Surface finish reference | , Hot-dip galvanized, Dacromet / Geomet, | BUYER CONFIRMATION REQUIRED |
| Supply status | Supplier, stock, price, MOQ and lead time are not established by this page. | UNCONFIRMED |
Final supply options are subject to supplier confirmation.
RFQ Specification Checklist
Send the details that make comparison useful.
The buyer remains responsible for the actual dimensions, material, grade, finish, quantity, destination and document requirement.
- Product: ASTM F436 hardened structural washers
- SKU: MR-044
- Standard reference: ASTM F436 / F436M hardened structural washer (inch/metric)
- Actual dimensions, material, grade, surface finish, quantity, destination and required documents must be confirmed by the buyer
- Required inspection, traceability, packaging and labelling documents
- Any drawing number, revision, accepted deviation or installation requirement
Technical review
Keep special standards and assemblies separate.
Content is structured for indexing review. Supplier availability remains unconfirmed.
The structural route is an assembly inquiry. Bolt, nut, washer, installation method and project documentation should be reviewed together.
Technical documents, samples, inspection requirements and conformity records are reviewed only for the specific inquiry and selected source.
Technical FAQ
Clarify the requirement before comparing offers.
Is a larger outside diameter always a better washer?
No. Bearing area, clearance, thickness, hardness and the governing assembly requirement determine suitability.
Can a structural washer be substituted with a plain washer?
Not without written engineering and project approval. Structural assemblies may require specific hardness and dimensions.
What does this MR-044 page confirm?
It organizes a product-specific inquiry. It does not confirm inventory, supplier relationship, price, MOQ, lead time, certification or delivery.
What should be stated with ASTM F436 / F436M hardened structural washer (inch/metric)?
State the exact revision, dimensions, material or grade, finish, quantity, destination and required documents. The structural route is an assembly inquiry. Bolt, nut, washer, installation method and project documentation should be reviewed together.
Related products
Follow the technical relationship.
Industrial Washers · MR-044 inquiry
Have a part to source?
Send the controlled RFQ.
Product name, SKU, standard reference and source URL are carried into the form so you can edit the actual dimensions, material, grade, finish, quantity, destination and document requirements.
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