China Manufacturing Companies for Ground Metal Screw - Grade 8.8 DIN933 Hex Head Bolt Color Galvanized Yellow Zinc Plated – Hongji manufacturers and suppliers

Manufacturing Companies for Ground Metal Screw - Grade 8.8 DIN933 Hex Head Bolt Color Galvanized Yellow Zinc Plated – Hongji

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Manufacturing Companies for Ground Metal Screw - Grade 8.8 DIN933 Hex Head Bolt Color Galvanized Yellow Zinc Plated – Hongji Detail:

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Yellow Zinc Plated Hex Bolt1

Yellow Zinc Plated Hex Bolt2

d					M1.6		M2		M2.5		M3		(M3.5)		M4		M5		M6		(M7)		M8		M10		M12		(M14)		M16
P			Pitch		0.35		0.4		0.45		0.5		0.6		0.7		0.8		1		1		1.25		1.5		1.75		2		2
a			Max		1.05		1.2		1.35		1.5		1.8		2.1		2.4		3		3		3.75		4.5		5.25		6		6
c			Min		0.1		0.1		0.1		0.15		0.15		0.15		0.15		0.15		0.15		0.15		0.15		0.15		0.15		0.2
			Max		0.25		0.25		0.25		0.4		0.4		0.4		0.5		0.5		0.5		0.6		0.6		0.6		0.6		0.8
d_a			Max		2		2.6		3.1		3.6		4.1		4.7		5.7		6.8		7.8		9.2		11.2		13.7		15.7		17.7
d_w			A Class	Min	2.4		3.2		4.1		4.6		5.1		5.9		6.9		8.9		9.6		11.6		15.6		17.4		20.5		22.5
			B Class	Min	-		-		-		-		-		5.7		6.7		8.7		9.4		11.4		15.4		17.2		20.1		22
e			A Class	Min	3.41		4.32		5.45		6.01		6.58		7.66		8.79		11.05		12.12		14.38		18.9		21.1		24.49		26.75
			B Class	Min	-		-		-		-		-		7.5		8.63		10.89		11.94		14.2		18.72		20.88		23.91		26.17
k			Nominal		1.1		1.4		1.7		2		2.4		2.8		3.5		4		4.8		5.3		6.4		7.5		8.8		10
			A Class	Min	0.98		1.28		1.58		1.88		2.28		2.68		3.35		3.85		4.65		5.15		6.22		7.32		8.62		9.82
				Max	1.22		1.52		1.82		2.12		2.52		2.92		3.65		4.15		4.95		5.45		6.56		7.68		8.98		10.18
			B Class	Min	-		-		-		-		-		2.6		3.26		3.76		4.56		5.06		6.11		7.21		8.51		9.71
				Max	-		-		-		-		-		3		3.74		4.24		5.04		5.54		6.69		7.79		9.09		10.29
k₁			Min		0.7		0.9		1.1		1.3		1.6		1.9		2.28		2.63		3.19		3.54		4.28		5.05		5.96		6.8
r			Min		0.1		0.1		0.1		0.1		0.1		0.2		0.2		0.25		0.25		0.4		0.4		0.6		0.6		0.6
s			Max=Nominal		3.2		4		5		5.5		6		7		8		10		11		13		17		19		22		24
			A Class	Min	3.02		3.82		4.82		5.32		5.82		6.78		7.78		9.78		10.73		12.73		16.73		18.67		21.67		23.67
			B Class	Min	-		-		-		-		-		6.64		7.64		9.64		10.57		12.57		16.57		18.48		21.16		23.16
d						(M18)		M20		(M22)		M24		(M27)		M30		(M33)		M36		(M39)		M42		(M45)		M48		(M52)
P	Pitch					2.5		2.5		2.5		3		3		3.5		3.5		4		4		4.5		4.5		5		5
a	Max					7.5		7.5		7.5		9		9		10.5		10.5		12		12		13.5		13.5		15		15
c	Min					0.2		0.2		0.2		0.2		0.2		0.2		0.2		0.2		0.3		0.3		0.3		0.3		0.3
	Max					0.8		0.8		0.8		0.8		0.8		0.8		0.8		0.8		1		1		1		1		1
d_a	Max					20.2		22.4		24.4		26.4		30.4		33.4		36.4		39.4		42.4		45.6		48.6		52.6		56.6
d_w	A Class	Min				25.3		28.2		30		33.6		-		-		-		-		-		-		-		-		-
	B Class	Min				24.8		27.7		29.5		33.2		38		42.7		46.5		51.1		55.9		59.9		64.7		69.4		74.2
e	A Class	Min				30.14		33.53		35.72		39.98		-		-		-		-		-		-		-		-		-
	B Class	Min				29.56		32.95		35.03		39.55		45.2		50.85		55.37		60.79		66.44		71.3		76.95		82.6		88.25
k	Nominal					11.5		12.5		14		15		17		18.7		21		22.5		25		26		28		30		33
	A Class	Min				11.28		12.28		13.78		14.78		-		-		-		-		-		-		-		-		-
		Max				11.72		12.72		14.22		15.22		-		-		-		-		-		-		-		-		-
	B Class	Min				11.15		12.15		13.65		14.65		16.65		18.28		20.58		22.08		24.58		25.58		27.58		29.58		32.5
		Max				11.85		12.85		14.35		15.35		17.35		19.12		21.42		22.92		25.42		26.42		28.42		30.42		33.5
k₁	Min					7.8		8.5		9.6		10.3		11.7		12.8		14.4		15.5		17.2		17.9		19.3		20.9		22.8
r	Min					0.6		0.8		0.8		0.8		1		1		1		1		1		1.2		1.2		1.6		1.6
s	Max=Nominal					27		30		32		36		41		46		50		55		60		65		70		75		80
	A Class	Min				26.67		29.67		31.61		35.38		-		-		-		-		-		-		-		-		-
	B Class	Min				26.15		29.16		31		35		40		45		49		53.8		58.8		63.1		68.1		73.1		78.1

Detail drawing

Yellow Zinc Plated Hex Bolt6
Yellow Zinc Plated Hex Bolt3
Yellow Zinc Plated Hex Bolt4
Yellow Zinc Plated Hex Bolt5

What is “Color Zinc Coated”?

Color Zinc Coated is the materials used to prevent corrosion, improve wear resistance and enhance aesthetics. Using chemical or electrochemical methods, a colored film or interference film is produced on the surface of the metal. The film is very thin, and sometimes the interference film itself has almost no color. When the surface of the metal and the film reflect light, the light waves cancel each other. forming a variety of different colors, when the thickness of the film gradually decreases, the color tone changes, generally from yellow, red, blue to green, until the color of the film itself is displayed. If the thickness of the film is not uniform, it will produce rainbow variegated or variegated.

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We have our own factories and warehouses. There are many kinds of production machine, testing equipment. And we can offer all kinds of certificate for your customs clearance, such as CO, FORM E, CI certified by CCPIT, CI certified by embassy and so on.

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