This M16 Form A flat washer is manufactured to DIN 125-A in A2 stainless steel (304 grade). DIN 125-A (ISO 7089) specifies the normal series flat washer - the standard size paired with the majority of metric bolt and nut combinations. Placed under a bolt head or nut face, the washer spreads the clamping load over a larger bearing area, reducing stress on the parent surface and protecting softer materials such as timber, aluminium, and plastics from marking or crushing under the fastener head.

Typical applications

  • General-purpose load spreading under bolt heads and nuts
  • Timber, aluminium, and plastic substrates that need protection from bearing damage
  • Indoor and outdoor structural assemblies in non-coastal environments
  • Workshop, engineering, and maintenance fixings

Available in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns.

Fastener styleForm A flat washer
StandardDIN 125-A
MaterialA2 stainless steel (304)
Property classA2-140HV
Thread sizeM16
Head typeN/A
Surface finishPlain (no plating)
HS commodity code7318220091
Recommended useWorkshop

RoHS and REACH compliant.

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