At Ananka Fasteners Pvt Ltd, we manufacture fasteners to the dimensional requirements of ISO 7089. Plain (flat) washers, normal series, product grade A, hardness class 200 HV, thread/bolt sizes M1.6 to M64. Flat, un-chamfered washer distributing load under a bolt head or nut. DIN 125 A equivalent.
Plain (flat) washers, normal series, product grade A, hardness class 200 HV, thread/bolt sizes M1.6 to M64. Flat, un-chamfered washer distributing load under a bolt head or nut. DIN 125 A equivalent.
Flat washer (normal series, 200 HV)
Key dimensions for common sizes are listed below.
| Size | Inside dia d1 (mm) | Outside dia d2 (mm) | Thickness h (mm) |
|---|---|---|---|
| M3 | 3.2 | 7 | 0.5 |
| M4 | 4.3 | 9 | 0.8 |
| M5 | 5.3 | 10 | 1.0 |
| M6 | 6.4 | 12 | 1.6 |
| M8 | 8.4 | 16 | 1.6 |
| M10 | 10.5 | 20 | 2.0 |
| M12 | 13 | 24 | 2.5 |
| M16 | 17 | 30 | 3.0 |
| M20 | 21 | 37 | 3.0 |
| M24 | 25 | 44 | 4.0 |
N/A (unthreaded washer)
[‘DIN 125 A’, ‘ISO 7090 (chamfered, 200 HV)’, ‘ISO 7091 (grade C, 100 HV)’, ‘ISO 7092 (small series)’, ‘ISO 7093-1 (large series)’]
For the official ISO standards catalogue, see the ISO standards listing. This external reference is provided for standards identification; the purchaser should verify the current edition applicable to the order.
We produce ISO 7089 fasteners in carbon and alloy steel, austenitic, duplex and super-duplex stainless, and high-nickel, titanium and copper alloys — for structural, flanged, machinery and process applications worldwide.
For technical documentation and quotations, buyers can also review the Ananka Fasteners manufacturing and supply range or contact the team through the fastener enquiry and technical support page.
Ananka Fasteners supplies every lot with full material traceability and third-party testing on request.
Plain (flat) washers, normal series, product grade A, hardness class 200 HV, thread/bolt sizes M1.6 to M64. Flat, un-chamfered washer distributing load under a bolt head or nut. DIN 125 A equivalent.
Ananka Fasteners manufactures ISO 7089 in sizes from M3–M24. See the Dimensional Table above for the complete size breakdown.
N/A (unthreaded washer)
We produce ISO 7089 fasteners in carbon and alloy steel, austenitic, duplex and super-duplex stainless, and high-nickel, titanium and copper alloys — for structural, flanged, machinery and process applications worldwide.
Yes. For a quotation, provide the required nominal size, material grade, quantity and any inspection or certificate requirements.
Need a fastener manufactured to ISO 7089 for an industrial project? Send the required fastener type, size, material grade, quantity and certification requirements to Ananka Fasteners. Our team can review the requirement and provide technical and commercial information for standard or custom configurations.
Recommended RFQ details: ISO 7089 requirement, nominal size, material grade, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Dimensions compiled per ISO 7089 and industry references; provided for reference only — confirm against the current edition of the standard before design use.
