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DIN25201 Double fold self-locking washer

Material: Carbon steel, SS 304/316
Thread Size: M3-M130
Surface Treatment: Galvanized(White/Yellow), Hot Dip Galvanized, Black Oxide

Category:

Washer Series

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hbxlgyljudy@cnxlcompany.com

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+8617752939055

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Product Size

DIN25201

SIZE			3	3.5	3.5 Plus Size	4	4 Plus Size	5	5 Plus Size	6	6 Plus Size	1/4"	1/4 Plus Size	8	8 Plus Size	3/8"
Dia	mm		M3	M3.5	M3.5	M4	M4	M5	M5	M6	M6	-	-	M8	M8	-
Dia	inch		#5	#6	#6	#8	#8	#10	#10	-	-	1/4”	1/4”	5/16"	5/16”	3/8”
d	MAX		3.50	4.00	4.00	4.50	4.50	5.50	5.50	6.60	6.60	7.30	7.30	8.80	8.80	10.50
d	MIN		3.30	3.80	3.80	4.30	4.30	5.30	5.30	6.40	6.40	7.10	7.10	8.60	8.60	10.10
dc	NOM.		7.0	7.6	9.0	7.6	9.0	9.0	10.8	10.8	13.5	11.5	13.5	13.5	16.6	16.6
	MAX		7.20	7.80	9.20	7.80	9.20	9.20	11.00	11.00	13.70	11.70	13.70	13.70	16.80	16.80
	MIN		6.80	7.40	8.80	7.40	8.80	8.80	10.60	10.60	13.30	11.30	13.30	13.30	16.40	16.40
h	CARBON STEEL	NOM.	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	2.5	2.5	2.5	2.5	2.5	2.5
		MAX	2.05	2.05	2.05	2.05	2.05	2.05	2.05	2.05	2.75	2.75	2.75	2.75	2.75	2.75
		MIN	1.55	1.55	1.55	1.55	1.55	1.55	1.55	1.55	2.25	2.25	2.25	2.25	2.25	2.25
h	SS304	NOM.	2.20	2.20	2.20	2.20	2.20	2.20	2.20	2.20	2.00	2.20	2.20	2.00	2.00	2.00
		MAX	2.45	2.45	2.45	2.45	2.45	2.45	2.45	2.45	2.25	2.45	2.45	2.25	2.25	2.25
		MIN	1.95	1.95	1.95	1.95	1.95	1.95	1.95	1.95	1.75	1.95	1.95	1.75	1.75	1.75

SIZE			3/8 Plus Size	10	10 Plus Size	11	12	12 Plus Size	1/2"	1/2 Plus Size	14	14 Plus Size	16	16 Plus Size	18	18 Plus Size
Dia	mm		-	M10	M10	M11	M12	M12	-	-	M14	M14	M16	M16	M18	M18
Dia	inch		3/8"	-	-	7/16"	-	-	1/2"	1/2	9/16"	9/16"	5/8"	5/8"	-	-
d	MAX		10.50	10.90	10.90	11.60	13.20	13.20	13.70	13.70	15.40	15.40	17.20	17.20	19.70	19.70
d	MIN		10.10	10.50	10.50	11.20	12.80	12.80	13.30	13.30	15.00	15.00	16.80	16.80	19.30	19.30
dc	NOM.		21.0	16.6	21.0	18.5	19.5	25.4	19.5	25.4	23.0	30.7	25.4	30.7	29.0	34.5
	MAX		21.20	16.80	21.20	18.70	19.70	25.60	19.70	25.60	23.20	30.90	25.60	30.90	29.20	34.70
	MIN		20.80	16.40	20.80	18.30	19.30	25.20	19.30	25.20	22.80	30.50	25.20	30.50	28.80	34.30
h	CARBON STEEL	NOM.	2.5	2.5	2.5	2.5	2.5	3.4	2.5	3.4	3.4	3.4	3.4	3.4	3.4	3.4
		MAX	2.75	2.75	2.75	2.75	2.75	3.65	2.75	3.65	3.65	3.65	3.65	3.65	3.65	3.65
		MIN	2.25	2.25	2.25	2.25	2.25	3.15	2.25	3.15	3.15	3.15	3.15	3.15	3.15	3.15
h	SS304	NOM.	2.00	2.00	2.00	2.20	2.00	3.00	2.00	3.20	3.00	3.20	3.00	3.20	3.20	3.20
		MAX	2.25	2.25	2.25	2.45	2.25	3.25	2.25	3.45	3.25	3.45	3.25	3.45	3.45	3.45
		MIN	1.75	1.75	1.75	1.95	1.75	2.75	1.75	2.95	2.75	2.95	2.75	2.95	2.95	2.95

SIZE			3/4’	3/4" Plus Size	20	20 Plus Size	22	22 Plus Size	24	24 Plus Size	1"	1" Plus Size	27	27 Plus Size	30	30 Plus Size
Dia	mm		-	-	M20	M20	M22	M22	M24	M24	-	-	M27	M27	M30	M30
Dia	inch		3/4"	3/4”	-	-	7/8"	7/8"	-	-	1"	1”	-	-	11/8”	11/8"
d	MAX		20.20	20.20	21.60	21.60	23.60	23.60	25.50	25.50	28.10	28.10	28.60	28.60	31.60	31.60
d	MIN		19.80	19.80	21.20	21.20	23.20	23.20	25.10	25.10	27.70	27.70	28.20	28.20	31.20	31.20
dc	NOM.		30.7	39.0	30.7	39.0	34.5	42.0	39.0	48.5	39.0	48.5	42.0	48.5	47.0	58.5
	MAX		30.90	39.20	30.90	39.20	34.70	42.20	39.20	48.70	39.30	48.80	42.30	48.80	47.30	58.80
	MIN		30.50	38.80	30.50	38.80	34.30	41.80	38.80	48.30	38.70	48.20	41.70	48.20	46.70	58.20
h	CARBON STEEL	NOM.	3.4	3.4	3.4	3.4	3.4	4.6	3.4	4.6	3.4	4.6	5.8	5.8	5.8	6.6
		MAX	3.65	3.65	3.65	3.65	3.65	4.85	3.65	4.85	3.65	4.85	6.05	6.05	6.05	6.60
		MIN	3.15	3.15	3.15	3.15	3.15	4.35	3.15	4.35	3.15	4.35	5.55	5.55	5.55	6.10
h	SS304	NOM.	3.20	3.20	3.00	3.20	3.20	3.20	3.20	3.20	3.20	3.20	6.80	6.80	6.80	6.80
		MAX	3.45	3.45	3.25	3.45	3.45	3.45	3.45	3.45	3.20	3.20	6.80	6.80	6.80	6.80
		MIN	2.95	2.95	2.75	2.95	2.95	2.95	2.95	2.95	2.70	2.70	6.30	6.30	6.30	6.30

SIZE			33	33 Plus Size	36	36 Plus Size	39	42	45	48	52	56	60	64	68	72
Dia	mm		M33	M33	M36	M36	M39	M42	M45	M48	M52	M56	M60	M64	M68	M72
Dia	inch		11/4"	11/4"	13/8"	13/8"	11/2”	-	13/4"	-	2”	21/4”	-	21/2”	-	-
d	MAX		34.60	34.60	37.60	37.60	40.60	43.40	46.70	50.10	54.10	59.60	63.60	67.60	71.60	75.60
d	MIN		34.20	34.20	37.20	37.20	40.20	43.00	46.20	49.60	53.60	59.10	63.10	67.10	71.10	75.10
dc	NOM.		48.5	58.5	55.0	63.0	58.5	63.0	70.0	75.0	80.0	85.0	90.0	95.0	100.0	105.0
	MAX		48.80	58.80	55.30	63.30	58.80	63.30	70.00	75.00	80.00	85.00	90.00	95.00	100.00	105.00
	MIN		48.20	58.20	54.70	62.70	58.20	62.70	68.00	73.00	78.00	83.00	88.00	93.00	98.00	103.00
h	CARBON STEEL	NOM.	5.8	6.6	5.8	6.6	5.8	5.8	7.0	7.0	7.0	7.0	7.0	7.0	9.5	9.5
		MAX	6.05	6.60	6.05	6.60	6.05	6.05	7.75	7.75	7.75	7.75	7.75	7.75	10.25	10.25
		MIN	5.55	6.10	5.55	6.10	5.55	5.55	6.25	6.25	6.25	6.25	6.25	6.25	8.75	8.75
h	SS304	NOM.	6.80	1	6.80	/	6.80	6.80	6.80	6.80	9.00	9.00	9.00	9.00	9.00	9.00
		MAX	6.80	/	6.80	/	6.80	6.80	7.55	7.55	9.75	9.75	9.75	9.75	9.75	9.75
		MIN	6.30	/	6.30	/	6.30	6.30	6.05	6.05	8.25	8.25	8.25	8.25	8.25	8.25

SIZE			76	80	85	90	95	100	105	110	115	120	125	130
Dia	mm		M76	M80	M85	M90	M95	M100	M105	M110	M115	M120	M125	M130
Dia	inch		3”	31/8"	-	-	-	4	-	-	-	-	-	5”
d	MAX		79.60	83.60	88.60	92.90	97.90	103.90	108.90	113.90	118.90	123.90	128.90	133.90
d	MIN		79.10	83.10	88.10	92.40	97.40	103.40	108.40	113.40	118.40	123.40	128.40	133.40
dc	NOM.		110.0	115.0	120.0	130.0	135.0	145.0	150.0	155.0	165.0	170.0	173.0	178.0
	MAX		110.00	115.00	120.00	130.00	135.00	145.00	150.00	155.00	165.00	170.00	173.00	178.00
	MIN		108.00	113.00	118.00	128.00	133.00	143.00	148.00	153.00	163.00	168.00	171.00	176.00
h	CARBON STEEL	NOM.	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5
		MAX	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25
		MIN	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75
h	SS304	NOM.	9.00	9.00	1	1	1	/	1	/	1	1	/	/
		MAX	9.75	9.75	/	/	/	/	/	/	/	/	/	/
		MIN	8.25	8.25	/	/	/	/	/	/	1	/	/	1

DIN6795 is generally applicable to the fastening scenarios with high vibration and dynamic loads in transportation systems (high-speed rail / subway chassis and bogies), wind turbine towers / blades, automotive engine accessories, mining machinery, agricultural equipment, construction machinery, ships, and offshore platforms.

According to the vibration intensity, DIN25201 is selected for medium-high vibration, and DIN9250/NFE25-511 can be chosen for medium-low vibration.

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Example of Quality Inspection Report

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Packing Type

Container photography standards

Transport

Payment

01. Alibaba website(Alibaba Credit Insurance Order)： www.hbrongte.en.alibaba.com

02. T/T

03. L/C at sight

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Send Email

rt@rong-te.com

Phone/Wechat

+86-18830893275

+8618830893275

Keywords:

Double fold self-locking washer

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