KM Lock Nuts
DIN 981 slotted round lock nuts for precision bearing retention on shafts. Used with MB tab washers for positive axial locking.

Specifications
| Standard | DIN 981 |
| Thread | M10×1 to M200×3 (metric fine) |
| Material | Case Hardened Steel / Stainless |
| Finish | Phosphated / Zinc Plated |
| Slots | 4 / 6 slots as per DIN |
| Delivery | Pan-India from Pune |
About KM Lock Nuts
KM lock nuts (DIN 981) are slotted round nuts with metric fine thread used to retain rolling element bearings on precision shafts. Used together with MB tab washers for a positive two-component locking system. Essential in machine tools, gearboxes, and any assembly where bearing axial position must be maintained.
Common Applications
- ✓Rolling bearing retention
- ✓Spindle assemblies
- ✓Machine tool shafts
- ✓Gearbox shafts
- ✓Pump assemblies
Why Source KM Lock Nuts from Stellar Global Supplies?
Pune's one-stop industrial procurement partner — quality verified, fast delivery, transparent pricing.
Quality Verified
Every batch sourced from certified suppliers and inspected before dispatch.
Pan-India Delivery
Reliable logistics from Pune to anywhere in India, on time.
Quick Quote via WhatsApp
Share your spec on WhatsApp and get a competitive price within hours.
Bulk & Custom Orders
MOQ flexible. Custom sizes, grades, and cut-to-length available.
Ready to Order KM Lock Nuts?
Share your requirement on WhatsApp — material grade, size, quantity, and delivery location. We'll respond with a competitive quote within hours.
Mon–Sat, 9 AM–6 PM · Talawade, Pune – 411062


