DIN 439

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Class:

4,5,6,8

Finish:

BZP, HOT DIP GALV

Thread:

METRIC

Here are some key features and characteristics of DIN 439 hexagon thin nuts:

Design: DIN 439 nuts have a hexagonal shape, which means they have six flat sides and six corners. They are classified as thin nuts, indicating that they have a lower profile compared to regular hex nuts.
Thread: DIN 439 nuts have metric coarse (M) or metric fine (F) threads. The thread size and pitch vary depending on the specific DIN 439 version.
Material: DIN 439 nuts can be made from different materials, such as steel, stainless steel, or brass. The specific material requirements are specified within the standard.
Dimensions: The standard provides detailed specifications for the dimensions of DIN 439 nuts, including the diameter across flats (width across opposite flat sides) and the height or thickness of the nut.
Finish: The surface finish of DIN 439 nuts can vary, depending on the material and application. Common finishes include plain (uncoated), zinc-plated, or other coatings for corrosion resistance.

Thread Size (d)	Pitch (P)	Hexagon Across Flats (S)	Nut Height (m)
M1.6	0.35	4	1.6
M2	0.4	5	2
M2.5	0.45	5.5	2.2
M3	0.5	6	2.4
M4	0.7	7	3.2
M5	0.8	8	4
M6	1	10	5
M7	1	11	5
M8	1.25	13	6.5
M10	1.5	17	8
M12	1.75	19	10
M14	2	22	11
M16	2	24	12
M18	2.5	27	13.5
M20	2.5	30	15
M22	2.5	32	16
M24	3	36	18
M27	3	41	20
M30	3.5	46	23
M33	3.5	50	25
M36	4	55	27.5
M39	4	60	30
M42	4.5	65	32.5
M45	4.5	70	35
M48	5	75	37.5
M52	5	80	40
M56	5.5	85	42.5
M60	5.5	90	45
M64	6	95	47.5