DIN 439-A is the standard for hexagon thin nuts, form a (without chamfer) (DIN 439-1 (form A) · product grade B · M1.6 – M10). HBS Solutions supplies DIN 439-A hex nuts from stock, with EN 10204 3.1 / 3.2 certificates.

Which sizes does DIN 439-A cover?

The HBS datasheet lists DIN 439-A from M1.6 to M10. The full dimension table is on this page and in the free PDF datasheet.

How do I order DIN 439-A hex nuts?

Configure the part online or send your parts list through the quote form; HBS Solutions replies with a quotation within 24 hours. Stock items ship from 500.000+ pieces in stock in Almere, the Netherlands.

Hex nuts

DIN 439-A – Hexagon thin nuts, form A (without chamfer)

DIN 439-1 (form A) · product grade B · M1.6 – M10. Dimensions from the HBS technical datasheet – in stock, with EN 10204 3.1 / 3.2 certificates.

Download datasheet (PDF)Configure this part →

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DIN 439-A dimension table.

Dimensions in mm

Dimensions in mm
Thread d	Pitch P	Fine thread	Width across flats s	Width across corners e min.	Height m
Thread d	Pitch P	Fine thread	Width across flats s	Width across corners e min.	max.	min.
M1.6	0.35	–	3.2	3.28	1	0.6
M2	0.4	–	4	4.18	1.2	0.8
M2.5	0.45	–	5	5.31	1.6	1.2
M3	0.5	–	5.5	5.88	1.8	1.4
M3.5	0.6	–	6	6.44	2	1.6
M4	0.7	–	7	7.5	2.2	1.8
M5	0.8	–	8	8.63	2.7	2.3
M6	1	–	10	10.89	3.2	2.72
M8	1.25	M8 × 1	13	14.2	4	3.52
M10	1.5	M10 × 1	17	18.72	5	4.52

d: Nominal thread diameter
P: Thread pitch, coarse
s: Width across flats
e: Width across corners, min.

Range. DIN 439-1 (form A, without chamfer, product grade B) covers M1.6 to M10. Larger thin nuts: DIN 439-B (chamfered) / ISO 4035.

Configure at hbsfasteners.nl/products/hex-nuts.

FAQ

DIN 439-A – frequently asked questions.

What is DIN 439-A?: DIN 439-A is the standard for hexagon thin nuts, form a (without chamfer) (DIN 439-1 (form A) · product grade B · M1.6 – M10). HBS Solutions supplies DIN 439-A hex nuts from stock, with EN 10204 3.1 / 3.2 certificates.
Which sizes does DIN 439-A cover?: The HBS datasheet lists DIN 439-A from M1.6 to M10. The full dimension table is on this page and in the free PDF datasheet.
Which related standard corresponds to DIN 439-A?: DIN 439-1 (form A) · product grade B · M1.6 – M10.
How do I order DIN 439-A hex nuts?: Configure the part online or send your parts list through the quote form; HBS Solutions replies with a quotation within 24 hours. Stock items ship from 500.000+ pieces in stock in Almere, the Netherlands.

Related standards

Related standards.

ASME B18.2.2 ASME B18.2.4.6M DIN 934 / ISO 4032 DIN 439-B DIN 980 DIN 985 DIN 1587 DIN 2510-NF

Standards library →Guide: which nut for which bolt? →

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