DIN 1804 Slotted Round Nut (KM Lock Nut)

Round nuts with peripheral slots for a hook spanner — DIN 1804 slotted round nuts and DIN 981 (KM) bearing lock nuts with fine thread for locating bearings and gears on shafts.

Standard: DIN 1804 / DIN 981
Equivalents: ISO 2982-2 (KM)
Sizes: M10x0.75 – M200x3
Grades: Steel
Materials: Carbon steel C35 / 45#
Thread: Metric fine 6H
MOQ: 500 pcs per size (negotiable for trial orders)

Finishes

Finish	Applied	Notes
Black oxide / phosphate	Available	Indoor or oiled service
Zinc plated	Our own line	Clear/blue, yellow or black passivation
Plain	Available	For customer-side coating

For property class 10.9 and above, choose zinc flake, or zinc-nickel with hydrogen-embrittlement relief agreed at order stage.

Applications

Bearing location on shafts
Gearboxes
Machine spindles

Ordering terms

MOQ: 500 pcs per size (negotiable for trial orders)
Mixed sizes: Welcome in one order
Samples: Samples available — cost and lead time quoted per request
Lead time: 15–25 days for standard parts; finishes such as HDG or Dacromet add a few days
Payment: T/T 30% deposit, 70% before shipment
Shipping: FOB Ningbo / CIF / DDP on request
Packaging: Cartons on pallets, or private-label boxes and bags
Documents: Material certificate, coating thickness and salt-spray reports on request
Custom: Drawings, non-standard sizes, coatings, marking and private-label packaging

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DIN 1804 Slotted Round Nut (KM Lock Nut)

Features

Finishes

Applications

Ordering terms

Request a quote for DIN 1804 Slotted Round Nut

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