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Copper Brass DIN912 Allen Bolts

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Copper Brass DIN912 Allen Bolts

We are committed to become the world's top fastening solutions provider, let Chinese prod-uct enterworld class, let the Chengyi production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of theemployees. In the future, we will become a respected enterprise.

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Name	Allen Bolts	Materials	Carbon Steel/Stainless Steel
Standards	DIN ISO UNC BSW JIS etc.	Strength level	4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80
Size	M3-M50	Surface finish	ZP\HDG\BLACK\Dacromet etc.
Length	15-500	Samples	Available

Product Standards

Hexagon socket head cap screws DIN 912

Thread size			M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
d			M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
P	pitch	coarse teeth	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 teeth 1	-	-	-	-	-	-	-	-	1	1.25	1.25	1.5	1.5	1.5	1.5
		fine teeth 2	-	-	-	-	-	-	-	-	-	1	1.5	-	-	2	2
dk	round head	maximum value	2.6	3	3.8	4.5	5.5	7	8.5	10	13	16	18	twenty one	twenty four	27	30
	knurled head	maximum value	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
	minimum		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 a	maximum value		1.8	2	2.6	3.1	3.6	4.7	5.7	6.8	9.2	11.2	13.7	15.7	17.7	20.2	22.4
ds	maximum value		1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
ds	minimum		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
and	minimum		1.5	1.73	1.73	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	13.72	16	16	19.44
k	maximum value		1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
k	minimum		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
	minimum		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
	maximum value		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	minimum		0.6	0.7	1	1.1	1.3	2	2.5	3	4	5	6	7	8	9	10
in	minimum		0.5	0.55	0.55	0.85	1.15	1.4	1.9	2.3	3	4	4.8	5.8	6.8	7.8	8.6
Thousand pieces of steel weight ≈kg			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread length b			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Thread size			(M22)	M24	(M27)	M30	(M33)	M36	M42	M48	M56	M64	M72	M80	M90	M100
d			(M22)	M24	(M27)	M30	(M33)	M36	M42	M48	M56	M64	M72	M80	M90	M100
P	pitch	coarse teeth	2.5	3	3	3.5	3.5	4	4.5	5	5.5	6	6	6	6	6
		fine teeth 1	1.5	2	2	2	2	3	3	3	4	4	4	4	4	4
		fine teeth 2	2	-	-	-	-	-	-	-	-	-	-	-	-	-
dk	round head	maximum value	33	36	40	45	50	54	63	72	84	96	108	120	135	150
	knurled head	maximum value	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
	minimum		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 a	maximum value		24.4	26.4	30.4	33.4	36.4	39.4	45.5	52.6	63	71	79	87	97	107
ds	maximum value		twenty two	twenty four	27	30	33	36	42	48	56	64	72	80	90	100
ds	minimum		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
and	minimum		19.44	21.73	21.73	25.15	27.43	30.85	36.57	41.13	46.83	52.53	62.81	74.21	85.61	97.04
k	maximum value		twenty two	twenty four	27	30	33	36	42	48	56	64	72	80	90	100
k	minimum		21.48	23.48	26.48	29.48	32.38	35.38	41.38	47.38	55.26	63.26	71.26	79.26	89.13	99.13
s	Nominal		17	19	19	twenty two	twenty four	27	32	36	41	46	55	65	75	85
	minimum		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
	maximum value		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	minimum		11	12	13.5	15.5	18	19	twenty four	28	34	38	43	48	54	60
in	minimum		9.4	10.4	11.9	13.1	13.5	15.3	16.3	17.5	19	twenty two	25	27	32	34
Thousand pieces of steel weight ≈kg			-	-	-	-	-	-	-	-	-	-	-	-	-	-
thread length b			-	-	-	-	-	-	-	-	-	-	-	-	-	-

About Us

We are committed to become the world's top fastening solutions provider, let Chinese product enterworld class, let the Chengyi production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of theemployees. In the future, we will become a respected enterprise.

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Our export countries include Russia, South Korea, Britain, France, Germany, Italy, Canada, Mexico,Brazil, Argentina, Chile, Australia, Indonesia, Thailand, Singapore, Saudi Arabia, Syria, Egypt, Tanzania,Kenya and other countries. Our products will be spread all over the world!