DIN 931 HEX BOLT — M30

DIN 931 HEX BOLT — M30: width across flats 45–46 mm, head height 17.65–19.75 mm, pitch 3.50 mm. Material A4-70, surface Stainless Steel, tensile strength 700 MPa. Dimensional tolerances per DIN 931 — product grade C.

BOLTS

High-performance industrial fastener under DIN 931 standard.
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Material Grade Filter

Dimensions

Width Across Flats (s)45–46 mm
Head Height (k)17.65–19.75 mm
Pitch3.50 mm
Tensile Strength700 MPa
MaterialA4-70
SurfaceStainless Steel

Dimensional tolerances per DIN 931 — product grade C.

Grades

A4-70

Grade A4-70 · Stainless Steel

A4-70

Grade A4-70 · Plain

5.6

Grade 5.6 · Plain

8.8

Grade 8.8 · Plain

5.8

Grade 5.8 · Plain

A2-70

Grade A2-70 · Stainless Steel

A2-70

Grade A2-70 · Plain

10.9

Grade 10.9 · Plain

12.9

Grade 12.9 · Plain

← Back to DIN 931 HEX BOLT → B3 Grade Matrix → Engineering Center (C)

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Contact engineering team for verified B2 data reference.

Standard References: Official DIN standards · DIN 931 reference (fasteners.eu)

DIN 931 Partial Thread Hexagon Head Bolt per DIN 931 specification, available in A4-70 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 DIN 931 HEX BOLT — M30?

45–46 mm (nominal with the tolerance range shown above)

What is the head height of DIN 931 HEX BOLT — M30?

17.65–19.75 mm (nominal with the tolerance range shown above)

What is the thread pitch of DIN 931 HEX BOLT — M30?

3.50 mm

What material, finish and strength does this page list?

Material: A4-70, surface: Stainless Steel, tensile strength: 700 MPa.

Which tolerance basis is used on this page?

DIN 931 — product grade C.