DIN 6798V Serrated Conical Lock Washers

M3 - M8 Steel zinc plated
DIN 6798V Serrated Conical Lock Washers
DIN 6798V · Serrated lock washer, conical

DIN 6798V covers conical serrated lock washers — a dished serrated washer combining spring preload with serrated grip, commonly used for countersunk fixings. We supply DIN 6798V washers across a range of metric sizes.

Also known as: countersunk serrated washers, conical serrated washers.

DIN 6798V dimensions

Bolt SizeInside DiameterCone DiameterThickness
M3 3.2mm 6mm 0.2mm
M4 4.3mm 8mm 0.25mm
M5 5.3mm 9.8mm 0.3mm
M6 6.4mm 11.8mm 0.4mm
M8 8.4mm 15.3mm 0.4mm

Materials & strength

Conical serrated form

The dished section springs the joint while the serrations resist rotation.

Frequently asked

What is the V form of DIN 6798?

Form V is dished into a shallow cone with external serrations, adding a spring element to the serrated grip; the conical seat also suits countersunk-head screws.

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