China Carbon steel Zinc Plated DIN912 Hex Socket Cup Head Screw Grade 8.8 manufacturers and suppliers

Carbon steel Zinc Plated DIN912 Hex Socket Cup Head Screw Grade 8.8

Short Description:

Standard: DIN912

Product Name: Hex Socket Cap Head Screw

Key Words: DIN912, Hex Socket Cap head screw

Size: M3-M42

Material: Carbon steel 35K, 45#, 10B21, 35CrMo, 40Cr, SCM 435

Stength Grade: 8.8, 10.9, 12.9

Surface Treatment: Plain

Thread Length: Full Thread/ Half Thread

Thread Type: Coarse/Fine

Packing: Bag/Carton/Wooden case

Other Features: Offer customized head mark

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DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide5

d		M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
d
P	Coarse thread	0.3	0.35	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
	Fine thread	/	/	/	/	/	/	/	/	1	1.25	1.5	1.5	1.5	2	2
	Very Fine thread	/	/	/	/	/	/	/	/	/	1	1.25	/	/	1.5	1.5
b	Reference value	14	15	16	17	18	20	22	24	28	32	36	40	44	48	52
d_k	Max （Smooth）	2.6	3	3.8	4.5	5.5	7	8.5	10	13	16	18	21	24	27	30
	Max （Knurl*）	2.74	3.14	3.98	4.68	5.68	7.22	8.72	10.22	13.27	16.27	18.27	21.33	24.33	27.33	30.33
	Min	2.46	2.86	3.62	4.32	5.32	6.78	8.28	9.78	12.73	15.73	17.73	20.67	23.67	26.67	29.67
d_s	Max	1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
d_s	Min	1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	17.73	19.67
k	Max	1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
k	Min	1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.7	7.64	9.64	11.57	13.57	15.57	17.57	19.48
s	Nominal	1.3	1.5	1.5	2	2.5	3	4	5	6	8	10	12	14	14	17
	Min	1.32	1.52	1.52	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	12.032	14.032	14.032	17.05
	Max	1.36	1.56	1.56	2.06	2.58	3.08	4.095	5.14	6.14	8.175	10.175	12.212	14.212	14.212	17.23
t	Min	0.6	0.7	1	1.1	1.3	2	2.5	3	4	5	6	7	8	9	10
Thread length=b		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

d		(M22)	M24	(M27)	M30	(M33)	M36	M42	M48	M56	M64	M72	M80	M90	M100
d
P	Coarse thread	2.5	3	3	3.5	3.5	4	4.5	5	5.5	6	6	6	6	6
	Fine thread	2	2	2	2	2	3	3	3	4	4	4	4	4	4
	Very Fine thread	1.5	/	/	/	/	/	/	/	/	/	/	/	/	/
b	Reference value	56	60	66	72	78	84	96	108	124	140	156	172	192	212
d_k	Max （Smooth）	33	36	40	45	50	54	63	72	84	96	108	120	135	150
	Max （Knurl*）	33.39	36.39	40.39	45.39	50.39	54.46	63.46	72.46	84.54	96.54	108.54	120.54	135.63	150.63
	Min	32.61	35.61	39.61	44.61	49.61	53.54	62.54	71.54	83.46	95.46	107.46	119.46	134.37	149.37
d_s	Max	22	24	27	30	33	36	42	48	56	64	72	80	90	100
d_s	Min	21.67	23.67	26.67	29.67	32.61	35.61	41.61	47.61	55.54	63.54	71.54	79.54	89.46	99.46
k	Max	22	24	27	30	33	36	42	48	56	64	72	80	90	100
k	Min	21.48	23.48	26.48	29.48	32.38	35.38	41.38	47.38	56.26	63.26	71.26	79.26	89.13	99.13
s	Nominal	17	19	19	22	24	27	32	36	41	46	55	65	75	85
	Min	17.05	19.065	19.065	22.065	24.065	27.065	32.08	36.08	41.08	46.08	55.1	65.1	75.1	85.12
	Max	17.23	19.275	19.275	22.275	24.275	27.275	32.33	36.33	41.33	46.33	55.4	65.4	75.4	85.47
t	Min	11	12	13.5	15.5	18	19	24	28	34	38	43	48	54	60
Thread length=b		-	-	-	-	-	-	-	-	-	-	-	-	-	-

Detail drawing

Cylindrical head hex socket screw, also referred to as hex socket bolt, cup head screw, hex socket screw, its name is not the same, but the meaning is the same.

Commonly used hexagon socket head screws are grade 4.8, 8.8, 10.9, 12.9. Also called hex socket screw, also called hex socket bolt. Its head is hexagonal head, but also cylindrical head.

According to the material is divided into stainless steel and iron. Stainless steel has stainless steel SUS201 hex socket head screw, this is stainless steel ordinary material, stainless steel SUS304 hex socket head screw, stainless steel SUS316 hex socket head screw. Iron according to the strength of the HEX SOCKET head screws, there are 4.8 Hex socket head screws, whose material is Q235 commonly, 8.8 Hex socket head screws, whose material is 35K or 45# steel commonly, 10.9 Hex socket head screws, whose material is 40Cr or 35CrMo commonly, 12.9 hex socket head screws, whose material is 10b21, 35CrMo, 42CrMo commonly. Hexagon socket head screws, class 8.8 -12.9, are called high strength and high grade hexagon socket bolts.