Materials and grades
Match the requirement to the assembly.
Carbon steel / Stainless steel304 (A2) 8 grade / 10 grade (Carbon steel)；A2-70 (Stainless steel) These references require written confirmation for the requested dimensions and quantity.
Industrial Nuts · MR-018
Hex flange nuts
DIN 6923 / ISO 4161 (metric hex flange nut; toothed or untoothed variant)
The flange form changes the bearing interface, so the buyer should state the mating surface, serration requirement and assembly context.
Reference dimensionsMetric reference: M5-M20, M6-M16；Coarse threadPitch; Inch reference: 1/4"-3/4" (Nut); Length reference: buyer specification required
Material / gradeCarbon steel / Stainless steel304 (A2) · 8 grade / 10 grade (Carbon steel)；A2-70 (Stainless steel)
Content review before indexing · MARKET REFERENCE ONLY
Reference information only. Final supply options are subject to supplier confirmation.
Product overview
A focused starting point for procurement.
Industrial nut inquiries need a clear mating thread and a defined nut function. Regular, thin, flange, cap and prevailing-torque forms should not be merged by nominal size. The flange form changes the bearing interface, so the buyer should state the mating surface, serration requirement and assembly context. 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.
State the mating fastener, thread system, nut style, property class or stainless grade, locking requirement and proof-load or torque requirement where relevant. Select the finish together with the mating fastener and service environment. Confirm coating compatibility and any required test or lubricant condition.
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.
Primary standard record link pending review.
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 | DIN 6923 / ISO 4161 · Metric · M8 × — · Coarse thread (M8×1.25) · — | Carbon steel · 8 grade · Zinc plated | For DIN 931/DIN 933Bolt | REFERENCE ONLY |
| Reference 2 | DIN 6923 / ISO 4161 · Metric · M10 × — · Coarse thread (M10×1.5) · — | Carbon steel · 8 grade · Zinc plated | For DIN 931/DIN 933Bolt | REFERENCE ONLY |
| Reference 3 | DIN 6923 / ISO 4161 · Metric · M12 × — · Coarse thread (M12×1.75) · — | 304Stainless steel · A2-70 · Buyer specification required | For Stainless steelBolt | 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-018 | REFERENCE ONLY |
| Reference dimensions | Metric reference: M5-M20, M6-M16；Coarse threadPitch; Inch reference: 1/4"-3/4" (Nut); Length reference: buyer specification required | BUYER CONFIRMATION REQUIRED |
| Material options | Carbon steel / Stainless steel304 (A2) | BUYER CONFIRMATION REQUIRED |
| Grade reference | 8 grade / 10 grade (Carbon steel)；A2-70 (Stainless steel) | BUYER CONFIRMATION REQUIRED |
| Surface finish reference | Zinc plated, Dacromet / Geomet (, 1000h+) | 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: Hex flange nuts
- SKU: MR-018
- Standard reference: DIN 6923 / ISO 4161 (metric hex flange nut; toothed or untoothed variant)
- 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.
This page remains noindex until content and source evidence are reviewed.
The flange form changes the bearing interface, so the buyer should state the mating surface, serration requirement and assembly context.
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.
What is the most important input for a nut inquiry?
Start with the mating bolt or stud standard and thread. Nut style and mechanical requirement come next.
Can a standard hex nut replace a lock nut?
Not without buyer approval. Locking function, installation method and service conditions are different requirements.
What does this MR-018 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 DIN 6923 / ISO 4161 (metric hex flange nut; toothed or untoothed variant)?
State the exact revision, dimensions, material or grade, finish, quantity, destination and required documents. The flange form changes the bearing interface, so the buyer should state the mating surface, serration requirement and assembly context.
Related products
Follow the technical relationship.
Industrial Nuts · MR-018 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.
Request a quote