Thread			M5	M6	(M7)	M8	M10	M12	(M14)	M16	(M18)	M20	(M22)	M24	(M27)	M30	(M33)	M36
d
P			0.8	1	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3	3	3.5	3.5	4
a	Max		2.4	3	3	3.75	4.5	5.25	6	6	7.5	7.5	7.5	9	9	10.5	10.5	12
c	Min		0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
c	Max		0.5	0.5	0.5	0.6	0.6	0.6	0.6	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
da	Max		5.7	6.8	7.8	9.2	11.2	13.7	15.7	17.7	20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4
dw	A	Min	6.9	8.9	9.6	11.6	15.6	17.4	20.5	22.5	25.3	28.2	30	33.6	-	-	-	-
dw	B	Min	6.7	8.7	9.4	11.4	15.4	17.2	20.1	22	24.8	27.7	29.5	33.2	38	42.7	46.5	51.1
e	A	Min	8.79	11.05	12.12	14.38	18.9	21.1	24.49	26.75	30.14	33.53	35.72	39.98	-	-	-	-
e	B	Min	8.63	10.89	11.94	14.2	18.72	20.88	23.91	26.17	29.56	32.95	35.03	39.55	45.2	50.85	55.37	60.79
k	Metric		3.5	4	4.8	5.3	6.4	7.5	8.8	10	11.5	12.5	14	15	17	18.7	21	22.5
	A	Min	3.35	3.85	4.65	5.15	6.22	7.32	8.62	9.82	11.28	12.28	13.78	14.78	-	-	-	-
	A	Max	3.65	4.15	4.95	5.45	6.56	7.68	8.98	10.18	11.72	12.72	14.22	15.22	-	-	-	-
	B	Min	3.26	3.76	4.56	5.06	6.11	7.21	8.51	9.71	11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08
	B	Max	3.74	4.24	5.04	5.54	6.69	7.79	9.09	10.29	11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92
k1	Min		2.28	2.63	3.19	3.54	4.28	5.05	5.96	6.8	7.8	8.5	9.6	10.3	11.7	12.8	14.4	15.5
r	Min		0.2	0.25	0.25	0.4	0.4	0.6	0.6	0.6	0.6	0.8	0.8	0.8	1	1	1	1
s	Max=Metric		8	10	11	13	17	19	22	24	27	30	32	36	41	46	50	55
	A	Min	7.78	9.78	10.73	12.73	16.73	18.67	21.67	23.67	26.67	29.67	31.61	35.38	-	-	-	-
	B	Min	7.64	9.64	10.57	12.57	16.57	18.48	21.16	23.16	26.15	29.16	31	35	40	45	49	53.8

A490 Type3

Chemical Composition(%)

	Element	C	Mn	P	S	Cr	Ni	Cu	Mo
≤0.75（Heat Analysis）	Min	0.2	0.4	-	-	0.45	0.2	0.2	0.15
≤0.75（Heat Analysis）	Max	0.53	-	0.035	0.04	-	-	0.6	-

	Element	C	Mn	P	S	Cr	Ni	Cu	Mo
＞0.75（Heat Analysis）	Min	0.3	0.4	-	-	0.45	0.2	0.2	0.15
＞0.75（Heat Analysis）	Max	0.53	-	0.035	0.04	-	-	0.6	-

	Element	C	Mn	P	S	Cr	Ni	Cu	Mo
≤0.75（Product	Min	0.19	0.37	-	-	0.42	0.17	0.17	0.14
≤0.75（Product	Max	0.55	-	0.04	0.045	-	-	0.63	-

	Element	C	Mn	P	S	Cr	Ni	Cu	Mo
＞0.75（Product Analysis）	Min	0.28	0.37	-	-	0.42	0.17	0.17	0.14
＞0.75（Product Analysis）	Max	0.55	-	0.04	0.045	-	-	0.63	-

Quality Assurance
•

100 % dimensional inspection thread gauges (Go / No-Go).
• Spectrometer material verification per lot.
• Salt-spray test 48–1,000 h depending on coating (ASTM B117).
• RoHS & REACH compliance certificates provided.
• Mill test certificate (MTC) EN 10204 3.1 available.

尾部

GET IN TOUCH

ABOUT US

Jiaxing Goshen Hardware CO., LTD is Located at Economic Development Area, Jiaxing City, Zhejiang Province, China. We specialise in suppling kinds of stainless steel, high strength and low carbon steel fasteners with excellent quality and reliable price. Our fasteners according to a number of internationally recognised standards including DIN, ANSI/ASTM, BS, JIS, GB etc.