ISO 4032 HEX NUT — M56

ISO 4032 HEX NUT — M56: width across flats 84.54–85 mm, nut height 44.5–45.5 mm, pitch 5.50 mm. Material A2-70, surface Stainless Steel, tensile strength 700 MPa. Dimensional tolerances per ISO 4032 — product grade A up to M16, B above.

NUTS

High-performance industrial fastener under ISO 4032 standard.
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Material Grade Filter

Dimensions

Width Across Flats (s)84.54–85 mm
Nut Height (m)44.5–45.5 mm
Pitch5.50 mm
Tensile Strength700 MPa
MaterialA2-70
SurfaceStainless Steel

Dimensional tolerances per ISO 4032 — product grade A up to M16, B above.

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 ISO 4032 HEX NUT → B3 Grade Matrix → Engineering Center (C)

Need technical support?

Contact engineering team for verified B2 data reference.

Standard References: Official ISO standards · ISO 4032 reference (fasteners.eu)

ISO 4032 Hexagon Nut per ISO 4032 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 width across flats of ISO 4032 HEX NUT — M56?

84.54–85 mm (nominal with the tolerance range shown above)

What is the nut height of ISO 4032 HEX NUT — M56?

44.5–45.5 mm (nominal with the tolerance range shown above)

What is the thread pitch of ISO 4032 HEX NUT — M56?

5.50 mm

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?

ISO 4032 — product grade A up to M16, B above.