Product Details

6798V104001
M 4 External Serrated Conical Lock Washer, Steel Zinc.

• DIN 6798 V
• JIS B 1255
• UNI 8841
• CSN 021744
• The internal tooth lock washer is designed to prevent a countersunk screw head from loosening with the strut action set up by the teeth. The teeth, also, absorb shock and vibration. The teeth abrade the grounding surface in electrical grounding applications to improve the electrical connection.