DIN 912 Hexagon Socket Head Screws

Short Description:

The Din 912 bolt is a hexagon socket head bolt that meets German standards. It is a versatile fastener known for its high strength and precise fit. The hexagon socket design allows for easy tightening and is ideal for secure and reliable connections in a variety of applications.

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DIN 912 Hexagon socket head bolt size reference table

D	D1	K	S	B
M3	5.5	3	2.5	18
M4	7	4	3	20
M5	8.5	5	4	22
M6	10	6	5	24
M8	13	6	6	28
M10	16	10	8	32
M12	18	1	10	36
M14	21	14	12	40
M16	24	16	14	44
M18	27	18	14	48
M20	30	20	17	52
M22	33	2	17	56
M24	36	24	19	60

All bolt dimensions are in mm

Hexagon socket head screw weight

Weight in kg(s) per 1000 pcs

L (mm)	M3	M4	M5	M6	M8	M10	M12
5	0.67
6	0.71	1.5
8	0.8	1.65
10	0.88	1.8	2.7	4.7
12	0.96	1.95	2.95	5.07
16	1.16	2.25	3.45	5.75	12.1	20.9
20	1.36	2.85	4.01	6.53	13.4	22.9	32.1
25	1.61	3.15	4.78	7.59	15	25.9	35.7
30	1.86	3.65	5.55	8.7	16.9	27.9	39.3
35		4.15	6.32	9.91	18.9	31	42.9
40		4.65	7.09	11	20.9	34.1	47.3
45			7.88	12.1	22.9	37.2	51.7
50			8.63	13.2	24.9	0.3	56.1
55				14.3	25.9	43.4	60.5
60				15.4	28.9	46.5	64.9
65					31	46.9	69.3
70					33	52.7	73.7
75					35	55.8	78.1
80					37	58.9	82.5
90						65.1	91.3
100						71.3	100
110							109
120							118

L (mm)	M14	M16	M18	M20	M22	M24
30	63	77.9
35	58	84.4
40	63	94	129	150
45	69	97.6	137	161
50	75	108	147	172	250	300
55	81	114	157	183	263	316
60	87	122	167	195	276	330
65	93	130	177	207	291	345
70	9	138	187	220	306	363
75	105	146	197	232	321	381
80	111	154	207	244	338	399
90	123	170	227	269	366	436
100	135	186	247	294	396	471
110	1473	202	267	319	426	507
120	159	218	287	344	458	543
130		234	307	369	486	579
140		250	327	394	516	615
150		266	347	419	546	561
160				444	576	667
160				494	636	759
200					696	820

Thread Type

DIN 912 hexagon socket screws are available in half-thread and full-thread types:

Full Thread: The thread extends from the screw head to the end of the screw, suitable for connections that require full grip, especially in thinner materials or applications where depth adjustment is required.

Partial Thread: The thread only covers part of the screw, usually the upper part of the screw near the head is a bare rod. Suitable for situations where higher shear strength is required, such as providing additional support and stability when clamping components.

These two specifications make it flexible for a variety of mechanical assembly and industrial fastening scenarios. Just choose the appropriate thread type according to the assembly requirements.