DIN 6798-A/J

DIN 6798 Serrated Lock Washers (Type A External & Type J Internal)

Serrated Lock Washers

Tooth lock serrated washers designed with overlapping internal or external teeth that bite into mating metal surfaces for maximum vibration lock.

Materials Available: Spring Steel, Stainless Steel (304 / 316)

Standard Size Range: M2 - M30 (Thread Sizes)

Standard Finishes: Phosphate & Oil, Zinc Plating, Passivation

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DIN 6798 Serrated Lock Washers Overview & Technical Specifications

Serrated lock washers (DIN 6798) feature helical cut teeth along their inner or outer edges. During tightening, these teeth flex slightly and bite into the fastener head and mating metal interface, offering exceptional rotational resistance against vibration-induced loosening.

Internal & External Tooth Lock Washers Features & Benefits

Conforms to DIN 6798 standards (Type A external, Type J internal).
Biting action creates solid resistance to back-out.
Helps establish reliable electrical grounding contacts.
Low profile height fits narrow spaces.
Hardened spring steel construction.

Cable Gland Earthing & Electrical Enclosure Applications

Our Serrated Washers components are used across multiple sectors for critical positioning assemblies:

Electrical ground connections and chassis earthing
Automotive control panel component locking
Industrial machinery electronics cabinet terminal blocks
General dynamic vibration machine assemblies

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DIN 6798 Serrated Lock Washers FAQs

What is the difference between Type A and Type J washers- +

Why are serrated washers used in electrical grounding- +

Are serrated washers reusable- +

CIRCLIPS

WASHERS

DOWEL PINS

VALVE COMPONENTS

DIN 6798 Serrated Lock Washers (Type A External & Type J Internal)

DIN 6798 Serrated Lock Washers Overview & Technical Specifications

Internal & External Tooth Lock Washers Features & Benefits

Cable Gland Earthing & Electrical Enclosure Applications

Request Bulk Quotation for Serrated Lock Washers

Related Industrial Lock Washers & Safety Rings

Star Washers

Spring Washers

Disc Spring Washers

DIN 6798 Serrated Lock Washers FAQs