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High Strength Grade 4.8 8.8 10.9 12.9 Black Oxide DIN186 T Bolts

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High Strength Grade 4.8 8.8 10.9 12.9 Black Oxide DIN186 T 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	T 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

T-shaped square neck bolts DIN 186

Thread specification		M6	M8	M10	M12	M16	M20	M24	M30	M36	M42	M48
d		M6	M8	M10	M12	M16	M20	M24	M30	M36	M42	M48
P	pitch	1	1.25	1.5	1.75	2	2.5	3	3.5	4	4.5	5
b	L≤120 (Type A)	18	twenty two	26	30	38	46	54	66	78	/	/
	120＜L≤200 (Type A)	/	/	/	/	44	52	60	72	84	96	108
	Type B*	L-10	L-13	L-16	L-19	L-25	L-31	L-37	L-43	L-55	L-54	L-72
ds	Nominal	6	8	10	12	16	20	twenty four	30	36	42	48
	maximum value	6.48	8.58	10.58	12.7	16.7	20.84	24.84	30.84	37	43	49
	minimum	5.52	7.42	9.42	11.3	15.3	19.16	23.16	29.16	35	41	47
k	Nominal	4.5	5.5	7	8	10.5	13	15	19	twenty three	26	30
	maximum value	4.9	5.9	7.5	8.75	11.4	13.9	15.9	20	twenty four	27	31
	minimum	4.1	5.1	6.5	7.25	9.6	12.1	14.1	18	twenty two	25	29
n	Nominal	6	8	10	12	16	20	twenty four	30	36	42	48
	maximum value	6.6	8.75	10.75	12.9	16.9	twenty one	25	31	37.25	43.25	49.25
	minimum	5.4	7.25	9.25	11.1	15.1	19	twenty three	29	34.75	40.75	46.75
m	Nominal	16	18	twenty one	26	30	36	43	54	66	80	88
	maximum value	16.9	18.9	twenty two	27	31	37.25	44.25	55.5	67.5	81.5	89.75
	minimum	15.1	17.1	20	25	29	34.75	41.75	52.5	64.5	78.5	86.25
Thousand pieces of steel weight ≈kg		-	-	-	-	-	-	-	-	-	-	-

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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