ISO 4014 HEX BOLT — M42

ISO 4014 HEX BOLT — M42: width across flats 64.54–65 mm, head height 25.58–26.42 mm, pitch 4.50 mm. Material A4-70, surface Stainless Steel, tensile strength 700 MPa. Dimensional tolerances per ISO 4014 — product grade A up to M24, B above.

BOLTS

High-performance industrial fastener under ISO 4014 standard.

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Material Grade Filter

Dimensions

Width Across Flats (s)	64.54–65 mm
Head Height (k)	25.58–26.42 mm
Pitch	4.50 mm
Tensile Strength	700 MPa
Material	A4-70
Surface	Stainless Steel

Dimensional tolerances per ISO 4014 — product grade A up to M24, B above.

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 ISO 4014 HEX BOLT → B3 Grade Matrix → Engineering Center (C)

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Contact engineering team for verified B2 data reference.

Standard References: Official ISO standards · ISO 4014 reference (fasteners.eu)

ISO 4014 Partial Thread Hexagon Head Bolt per ISO 4014 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 ISO 4014 HEX BOLT — M42?

64.54–65 mm (nominal with the tolerance range shown above)

What is the head height of ISO 4014 HEX BOLT — M42?

25.58–26.42 mm (nominal with the tolerance range shown above)

What is the thread pitch of ISO 4014 HEX BOLT — M42?

4.50 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?

ISO 4014 — product grade A up to M24, B above.