Quick Specs

What Buyers Should Know Before Sourcing DIN 6797 Serrated Lock Washers

DIN 6797 serrated lock washers are designed to grip a contact surface through serrations. External serrated and internal serrated styles are not interchangeable in every assembly. Buyers sourcing them with industrial bolts should confirm screw size, washer style, contact face, coating, and whether surface marking is acceptable.

For bulk orders, consistency is the real purchasing challenge. Serrations can lose function if they are flattened, over-coated, or damaged during packing. Mixed washer styles can also cause assembly errors on production lines. For severe vibration or safety-critical joints, DIN 6797 washers should not replace a specified locking system without engineering approval.

Common Purchasing Descriptions

For full project or production purchasing, buyers can review related fastener products and request washers, bolts, nuts, and coated parts in one quotation package.

Detailed Specifications Table

Material and Grade Explanation

DIN 6797 serrated lock washers are commonly made from spring steel where serration resilience and economical locking support are needed. Stainless steel options can be supplied for corrosion-sensitive assemblies, but buyers should confirm the grade and expected locking behavior. When washers are ordered with standard fasteners, material compatibility with screws, bolts, nuts, and mating surfaces should be reviewed.

For assemblies where serrations must bite through coating or maintain contact, the material and finish should be controlled carefully. A washer that meets nominal size may still perform poorly if serrations are shallow, flattened, or covered by excessive plating.

Surface Finish Selection Guide

Surface finish should be selected by corrosion exposure, mating surface, and storage conditions. Zinc plated serrated washers are common for general industrial use. Black or phosphate finishes may be used for machinery assemblies. Stainless steel is preferred where corrosion resistance is more important than a plated finish.

For bulk programs where bolts, nuts, and washers need consistent corrosion protection, XZ Fastener can coordinate DIN 6797 supply with related coated fasteners.

Manufacturing and Quality Control

Bulk manufacturing of DIN 6797 washers requires stable stamping, forming, heat treatment when required, surface finishing, sorting, inspection, and packing. Serration form is the main control point. If serrations are shallow, uneven, over-coated, or damaged, the washer may not grip the surface as intended.

1. Confirm DIN 6797 type, size list, material, finish, total quantity, and packing rule.
2. Check material thickness and spring performance requirement before production.
3. Control inside diameter, outside diameter, serration profile, serration height, burrs, and washer shape.
4. Inspect coating appearance and serration condition after finishing.
5. Pack by size, serration type, finish, and lot with clear carton and pallet labels.

For special serration forms, kit packing, or non-standard washer dimensions, buyers can use XZ Fastener’s custom fasteners support before confirming bulk production.

Aplicaciones

DIN 6797 serrated lock washers can be supplied with other flat washers and standard hardware for bulk replenishment.

How to Get a Faster Quotation

A clear bulk order RFQ helps confirm tooling, price, lead time, packing cost, and production planning quickly. For DIN 6797 serrated lock washers, the most important details are serration type, nominal size, material, finish, quantity, packaging method, label requirement, and inspection documents.

• Send washer type: external serrated or internal serrated style where applicable.
• Provide nominal sizes and quantity per size.
• Confirm material, stainless grade if needed, and surface finish.
• List bag count, carton weight, pallet type, label content, and barcode requirement.
• Specify inspection reports, serration checks, coating checks, and any third-party inspection need.

For bulk production planning, buyers can contact XZ Fastener with the size list and delivery schedule.

Preguntas frecuentes