Lock Nuts

DIN 980 All-Metal Prevailing Torque Lock Nut

All-metal lock nut to DIN 980 / ISO 7042 (Stover type): a deformed top section creates prevailing torque without nylon, so it works at temperatures where nylon inserts fail.

Standard: DIN 980 / ISO 7042
Equivalents: GB/T 6184
Sizes: M4 – M36
Grades: 8, 10
Materials: Carbon steel
Thread: Metric coarse 6H
MOQ: 500 pcs per size (negotiable for trial orders)

Finishes

Finish	Applied	Notes
Zinc plated	Our own line	Clear/blue, yellow or black passivation
Zinc-nickel	Our own line	12–15 µm, clear or black passivation; 1,000 h (12 µm) to 1,440 h (15 µm) neutral salt spray
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.

Features

No nylon — for high temperatures
Conical deformed top
Class 8 and 10

Applications

Exhaust and engine areas
Heat treatment equipment
Heavy machinery

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

Request a quote for DIN 980 All-Metal Lock Nut

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DIN 980 All-Metal Prevailing Torque Lock Nut

Finishes

Features

Applications

Ordering terms

Request a quote for DIN 980 All-Metal Lock Nut

Thank you! We will reply within 24 hours.

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DIN 982 Nylon Insert Lock Nut (Regular Height)

DIN 6926 Nylon Insert Flange Lock Nut