DIN 127-A SPRING WASHER — M72

DIN 127-A SPRING WASHER — M72: inside diameter 73–74.5 mm, outside diameter max 103 mm, thickness 7.75–8.25 mm. Material A2-70, surface Stainless Steel, tensile strength 700 MPa. Dimensional tolerances per DIN 127-A.

WASHERS

High-performance industrial fastener under DIN 127-A standard.
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Material Grade Filter

Dimensions

Inner Diameter (d1)73–74.5 mm
Outer Diameter (d2)max 103 mm
Thickness (s)7.75–8.25 mm
Pitch—
Tensile Strength700 MPa
MaterialA2-70
SurfaceStainless Steel

Dimensional tolerances per DIN 127-A. Outer diameter is given as an upper limit only — the standard specifies no lower limit for d2.

Grades

A2-70

Grade A2-70 · Stainless Steel

A2-70

Grade A2-70 · Plain

A4-70

Grade A4-70 · Stainless Steel

A4-70

Grade A4-70 · Plain

← Back to DIN 127-A SPRING WASHER → B3 Grade Matrix → Engineering Center (C)

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Contact engineering team for verified B2 data reference.

Standard References: Official DIN standards · DIN 127-A reference (fasteners.eu)

DIN 127-A Spring Lock Washer per DIN 127-A specification, available in A2-70 grade with Stainless Steel finish. Engineered for industrial OEM applications requiring 700.0 MPa tensile strength and reliable long-term fastening performance.

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Frequently asked questions

What is the inside diameter of DIN 127-A SPRING WASHER — M72?

73–74.5 mm (nominal with the tolerance range shown above)

What is the outside diameter of DIN 127-A SPRING WASHER — M72?

max 103 mm (nominal with the tolerance range shown above)

What is the thickness of DIN 127-A SPRING WASHER — M72?

7.75–8.25 mm (nominal with the tolerance range shown above)

What material, finish and strength does this page list?

Material: A2-70, surface: Stainless Steel, tensile strength: 700 MPa.

Which tolerance basis is used on this page?

DIN 127-A.