DIN 6797 Toothed Spring Lock Washer, Type J
FLOK supplies DIN 6797 type J toothed spring lock washers for M3–M30 threads, inner diameter 3.2–31 mm, in spring steel, stainless steel or bronze.
The German standard DIN 6797 covers the production of toothed spring lock washers; type J features internal teeth. The internal diameter of these products ranges from 3.2 to 31 mm, and they are used together with bolts, screws, studs, pins and other types of fasteners. The main purpose of a lock washer is to protect the joint from loosening under dynamic loads and vibration. The teeth hold the fastener in the correct position and prevent it from rotating.
Manufacturing and application features
The material used to manufacture this fastener is spring steel, which has increased elasticity. It can also be made of stainless steel with high corrosion resistance, or of bronze. Washers made of stainless steel and non-ferrous metals are used when the joint is constantly exposed to active corrosive effects from the environment.
Lock washers of this type have the following characteristics:
- The nominal thread diameter of the fastener used with them ranges from M3 to M30.
- The outer diameter of the product ranges from 6 to 48 millimeters.
- The internal diameter ranges from 3.2 to 31 mm.
Similar fasteners are manufactured to GOST 10462-81 — this standard covers lock washers with internal teeth of the stamped and punched type.
Applications
Lock washers of this type are widely used in furniture manufacturing, as well as in timber house building and the production of various wood and plastic products. They securely hold the fastener in the material thanks to the teeth, preventing spontaneous loosening.
FLOK supplies these fasteners in small and large batches across a wide range of sizes.
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