At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ISO 898-5. ISO 898-5 – Mechanical properties of fasteners made of carbon steel and alloy steel – Part 5: Set screws and similar threaded fasteners not under tensile stress. Defines hardness classes for set/grub screws loaded in compression only, thread sizes M1.6-M24.
ISO 898-5 – Mechanical properties of fasteners made of carbon steel and alloy steel – Part 5: Set screws and similar threaded fasteners not under tensile stress. Defines hardness classes for set/grub screws loaded in compression only, thread sizes M1.6-M24.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| 14H | ISO 898-5 | Carbon steel, no heat treatment |
| 22H | ISO 898-5 | Carbon steel, quenched & tempered |
| 33H | ISO 898-5 | Carbon steel, quenched & tempered |
| 45H | ISO 898-5 | Carbon steel (<=M16) w/ additives or alloy steel, quenched & tempered |
Minimum mechanical requirements per ISO 898-5.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| 14H | – | – | – | 140-290 HV10 |
| 22H | – | – | – | 220-300 HV10 |
| 33H | – | – | – | 330-440 HV10 |
| 45H | – | – | – | 450-560 HV10 |
| Grade | Key Composition, % |
|---|---|
| 14H | Carbon steel; free-cutting permitted (Pb, P, S limited) |
| 45H alloy | Must contain >=1 of: Cr 0.30, Ni 0.30, Mo 0.20, V 0.10 (%); case hardening prohibited |
Steel counterpart to ISO 3506-3 (stainless set screws). Performance defined by hardness/torque, not tensile strength, since parts are not tension-loaded.
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 supply ISO 898-5 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
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.
ISO 898-5 – Mechanical properties of fasteners made of carbon steel and alloy steel – Part 5: Set screws and similar threaded fasteners not under tensile stress. Defines hardness classes for set/grub screws loaded in compression only, thread sizes M1.6-M24.
Ananka Fasteners supplies 14H, 22H, 33H, 45H to ISO 898-5. See the Grades / Classes Covered table above for full details of each grade.
Minimum tensile strength, yield strength, elongation and hardness requirements vary by grade — see the Mechanical Properties table above for the complete breakdown.
We supply ISO 898-5 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
Yes. For a quotation, provide the required fastener type, grade, nominal size, dimensional standard, quantity and any inspection or certificate requirements.
Need a fastener released to ISO 898-5 for an industrial project? Send the required fastener type, grade, size, 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 898-5 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ISO 898-5 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
