18-8 Stainless Steel Hex Socket Head Cap Screws

• Material: Stainless Steel
• Type: Socket Bolt
• Connection: Common Bolt
• Head Style: Cup Head
• Standard: DIN, ANSI, JIS, BSW, GOST
• Grade: A2-70, A4-80
• Model NO.: 3/16"-3/4"
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Passivation
• Size in Stock 1: 304 M5-M20 All Length in Stock
• Size in Stock 2: 316 M5-M20 All Length in Stock
• Transport Package: Carton/Pallet.
• Specification: M1.4 - M20 3/16"-3/4"
• Trademark: WB
• Origin: China
• HS Code: 7318150000
• Production Capacity: 3000 Tons Per Year

Product Description

Product Name	18-8 Stainless Steel Hex Socket Head Cap Screws
Material:	Stainless steel.18/8, SUS 304, SUS 316, A2, A4, 201,410, etc
Finished	polish ,passivation
Standard	Standard:
	DIN 912 - 1983 Hexagon socket head cap screws
	ISO 4762 - 2004 Hexagon Socket Head Cap Screws
	JIS B 1176 - 2006 Hexagon Socket Head Cap Screws
	NF E 25-125 - 2004 Hexagon Socket Head Cap Screws
	KS B 1003 - 2000 Hexagon Socket Head Cap Screws
	DIN EN ISO 4762 - 2004 Hexagon Socket Head Cap Screws
	ASME B 18.3 - 2003 (R2008) Hexagon Socket Head Cap Screws
	DIN 6912 - 2009 Hexagon Socket Head Cap Screws with Centre, with Low Head
	BS 2470 - 1973 Hexagon Socket Head Cap Screws With Dog Point - BSW Thread
	DIN 7984 - 2009 Hexagon Socket Head Cap Screws with Low Head
	ISO 12474 - 2010 Hexagon Socket Head Cap Screws With Metric Fine Pitch Thread
	ISO 12474 - 2010 Hexagon Socket Head Cap Screws With Metric Fine Pitch Thread
	AS 1420 - 2008 ISO metric hexagon socket head cap screws
	ASME B 18.3 - 2012 Hexagon Socket Head Cap Screws [Table 1] (ASTM A574 / F837)
	ANSI/ASME B 18.3.1M - 1993 Metric hexagon socket head cap screws
Hexagon socket bolts  are also called cup-head hexagon socket bolts. The shape is cylindrical head and the groove is hexagon socket polygon. Hexagon socket head bolts are widely used in mechanical installation because they are easy to fasten and disassemble, and are not easy to slip.

Screw Thread			M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
d
P	Pitch	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 pitch-1	-	-	-	-	-	-	-	-	1	1.25	1.25	1.5	1.5	1.5	1.5
		Fine thread pitch-2	-	-	-	-	-	-	-	-	-	1	1.5	-	-	2	2
b	Ref.		14	15	16	17	18	20	22	24	28	32	36	40	44	48	52
dk	plain head	max	2.6	3	3.8	4.5	5.5	7	8.5	10	13	16	18	21	24	27	30
	knurled heads	max	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
da	max		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	max		1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
	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
e	min		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	max		1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
	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 Size		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
w	min		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