CS
Steel washers
State hardness, base material and finish as separate order requirements.
DIN 125 product referenceProduct form, dimensions, material, finish and packing are confirmed against the buyer’s RFQ.
Normal-series plain washer
DIN 125 Flat Washer
Structured sourcing for flat washers requested as DIN 125, with form, washer series, hardness, dimensions, material, finish and mating fastener confirmed before quotation.
- DIN form or current ISO series identified
- Inside diameter, outside diameter and thickness controlled
- Hardness matched to the bolted assembly
- Material, finish and packing stated separately
Final geometry, tolerances, material, mechanical requirements, finish, testing, documents and packing are governed by the buyer-approved RFQ and order specification.
Product views
DIN 125 flat washer details
Reference views for product form, surface and available size range. Final supply follows the confirmed RFQ.
Core specification
Quotation requirements
Confirm the standard basis, sourcing options and order-specific requirements below.
| Field | Product information | Status |
|---|---|---|
| Requested designation | DIN 125 flat washer, with form stated | Confirmed per RFQ |
| DIN status | DIN 125-1:1990-03 is withdrawn | Verified official status |
| Current review references | ISO 7089 normal series product grade A; ISO 7090 for the chamfered series where applicable | Verified specification direction |
| Dimensions | Nominal thread size, inside diameter, outside diameter and thickness | Confirmed per RFQ |
| Material / hardness | Steel, stainless or approved material with required hardness | Confirmed per RFQ |
| Finish | Plain, zinc, hot-dip galvanized or project-specific coating | Typical supply direction |
| Assembly & packing | Mating bolt/nut, quantity, packaging and documentation | Confirmed per RFQ |
DIN 125-1:1990-03 is withdrawn. For an ISO order, confirm the required washer form and edition: ISO 7089:2000 for the normal-series plain form or ISO 7090:2000 for the chamfered form. Confirm inner diameter, outer diameter, thickness, hardness and finish. Catalogue references: DIN Media · ISO
Product overview
Washer series and hardness must match the joint
Flat washers that share a nominal thread size can differ in outside diameter, thickness, chamfer and hardness. Those differences can affect bearing pressure, fit and compatibility with coated or high-strength assemblies.
DIN Media lists DIN 125-1:1990-03 as withdrawn and replaced by ISO-based washer standards. ISO 7089:2000 is the current normal-series, product-grade-A review reference used here.
What to include in your RFQ
- DIN 125 form/edition or accepted ISO series
- Nominal size and critical dimensions
- Material and hardness requirement
- Mating bolt, nut and joint surface
- Finish and coating compatibility
- Quantity, packing, inspection and documents
Verified technical note
Legacy DIN and current washer-series reference
Normal and chamfered washer series are separated to avoid a visually similar but incorrect substitute.
| Reference / field | Verified scope used on this page | RFQ implication |
|---|---|---|
| DIN 125-1:1990-03 | Withdrawn product-grade-A washer standard for hardness up to 250 HV, preferably for hexagon bolts and nuts | State the edition when a legacy drawing or approved list requires it. |
| ISO 7089:2000 | Current plain-washer standard, normal series, product grade A | Confirm that this is the accepted current basis and specify hardness/material. |
| ISO 7090 | Separate current direction for chamfered normal-series washers | State whether a chamfered form is required; do not infer it from ‘DIN 125’. |
Specification control: No copied dimensional table is used; the approved standard edition or drawing controls dimensions and tolerances. Full proprietary standard tables are not reproduced.
Official references: DIN 125-1:1990-03 catalogue entry · ISO 7089:2000 catalogue entry
Materials & supply directions
Options reviewed for the actual application
These are enquiry directions, not a claim that every combination is stocked, approved or interchangeable.
SS
Stainless washers
State grade, surface condition and any passivation requirement.
HD
Coated assemblies
Check hole clearance and compatibility when coating thickness or oversize threads are involved.
Quality & order coordination
Checks follow the approved order requirements
No test report, certification, approval or traceability level is implied unless it appears in the quotation and order specification.
01
Specification record
Standard edition, drawing revision and critical RFQ fields are recorded.
02
Source matching
Supplier options are compared against the confirmed product and application requirements.
03
Agreed inspection
Inspection scope and records are coordinated only as stated in the order.
04
Packing follow-up
Bag, box, pallet, labels, protection and consolidation details are followed up.
Product RFQ
Request a quotation for DIN 125 Flat Washer
Attach a drawing, specification, photo, product list or project requirement and identify fields that cannot be substituted.
- DIN 125 form/edition or accepted ISO series
- Nominal size and critical dimensions
- Material and hardness requirement
- Mating bolt, nut and joint surface
- Finish and coating compatibility
- Quantity, packing, inspection and documents
Fast quotation route
Send your product requirements
Use the full RFQ form to attach drawings, specifications or a multi-item list. Include the product standard or drawing, size, material, finish, quantity and destination.
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