Configure Your Custom DIN 931 Partial-Thread Bolt

DIN 931 is a legacy standard and ISO 4014 is its principal modern successor, but selected sizes use different widths across flats. Choose the required DIN or ISO head geometry rather than combining dimensions. If grip, thread length, shank, head or tolerances are changed, production will follow the approved custom drawing.

Technical Data Sheet

ETERNAL FASTENER

Wuxi, Jiangsu, China

Email: [email protected]

Web: www.fasteneref.com

WhatsApp: +8615951571207

DIN 931 Hexagon Head Bolts (Half)

Product code

Product specification

M6x40

Product standard

DIN 931

Material / grade

Steel 45

Unit

Mechanical properties

5.6 8.8 10.9

Dimension

Parameter (mm)

Dimension

Parameter (mm)

39.5~40.5

6.8

5.82~6

11.05

3.85~4.15

0.25

9.78~10

max = maximum; min = minimum

Material

Material type

Steel

Grade

General technical requirements

DIN 267-1

Thread

Tolerance

Standard

DIN 13-15 DIN 13-12

Mechanical properties

Property class

5.6 8.8 10.9

Standard

DIN ISO 898-1

Tolerance

Product grade

d≤24mm/l≤10d/l≤150mm (min ()):A; d＞24mm/l＞10d/l＞150mm (min ()):B

Standard

ISO 4759-1

Surface Treatment

plain 8.8:black (heat or chemical) electroplatingDIN 267-9; HDGDIN 267-10

Surface roughness

DIN 267-2

Surface defects

DIN 267-19

Inspection & packaging

DIN 267-5

Ref. wt / 1000 pcs (kg)

Technical Data Sheet

Dimensions & size table

Unit: mm

Dimension	P	da/max	ds/max	ds/min	e/min	k/max	k/min	r/min	s/max	s/min
M1.6	0.35	2	1.6	1.46	3.41	1.22	0.98	0.1	3.2	3.02
M2	0.4	2.6	2	1.86	4.32	1.52	1.28	0.1	4	3.82
M2.5	0.45	3.1	2.5	2.36	5.45	1.82	1.58	0.1	5	4.82
M3	0.5	3.6	3	2.86	6.01	2.12	1.88	0.1	5.5	5.32
M3.5	0.6	4.1	3.5	3.32	6.58	2.52	2.28	0.1	6	5.82
M4	0.7	4.7	4	3.82	7.66	2.92	2.68	0.2	7	6.78
M5	0.8	5.7	5	4.82	8.79	3.65	3.35	0.2	8	7.78
M6	1	6.8	6	5.82	11.05	4.15	3.85	0.25	10	9.78
M7	1	7.8	7	6.78	12.12	4.95	4.65	0.25	11	10.73
M8	1.25	9.2	8	7.78	14.38	5.45	5.15	0.4	13	12.73
M10	1.5	11.2	10	9.78	18.9	6.58	6.22	0.4	17	16.73
M12	1.75	13.7	12	11.73	21.1	7.68	7.32	0.6	19	18.67
M14	2	15.7	14	13.73	24.49	8.98	8.62	0.6	22	21.67
M16	2	17.7	16	15.73	26.75	10.18	9.82	0.6	24	23.67
M18	2.5	20.2	18	17.73	30.14	11.72	11.28	0.6	27	26.67
M20	2.5	22.4	20	19.67	33.53	12.72	12.28	0.8	30	29.67
M22	2.5	24.4	22	21.67	35.72	14.22	13.78	0.8	32	31.61
M24	3	26.4	24	23.67	39.98	15.22	14.78	0.8	36	35.38