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Wedge Lock Washers DIN25201

Double fold self-locking washer Wedge locking washers are generally installed under the nut to prevent the nut from loosening.

Key words:

wedge lock washers din25201

ISO 10642 Flat Head Countersunk Socket

Spring Washers

Hexagon Nuts

DIN 1440 Flat Washers

Classification：

Washers

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Description

Double fold self-locking washer

Wedge locking washers are generally installed under the nut to prevent the nut from loosening.

Widely used in electrical connections on household and commercial appliances.

High quality 65Mn,good corrosion resistance.

All the small parts are packed in a transparent plastic box with compartments,which is convenient to carry,store or reuse as a backup kit

Material: Stainless steel, carbon steel .

Size			3	3.5	3.5	4	4	5	5	6	6	1/4 ①	1/4	8	8	3/8 ①
Size			3	3.5	Large ②	4	Large ②	5	Large ②	6	Large ②	1/4 ①	Large ① ②	8	Large ②	3/8 ①
Bolt size	Metric		M3	M3.5	M3.5	M4	M4	M5	M5	M6	M6	-	-	M8	M8	-
Bolt size	Inch		#5	#6	#6	#8	#8	#10	#10	-	-	1/4”	1/4”	5/16”	5/16”	3/8”
d	max		3.5	4	4	4.5	4.5	5.5	5.5	6.6	6.6	7.3	7.3	8.8	8.8	10.5
d	min		3.3	3.8	3.8	4.3	4.3	5.3	5.3	6.4	6.4	7.1	7.1	8.6	8.6	10.1
dc	Nominal Size		7	7.6	9	7.6	9	9	10.8	10.8	13.5	11.5	13.5	13.5	16.6	16.6
	max		7.2	7.8	9.2	7.8	9.2	9.2	11	11	13.7	11.7	13.7	13.7	16.8	16.8
	min		6.8	7.4	8.8	7.4	8.8	8.8	10.6	10.6	13.3	11.3	13.3	13.3	16.4	16.4
h	Steel	Nominal Size	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
per 1000 units≈kg ③	Steel	≈	0.3	0.4	0.6	0.4	0.6	0.5	1.1	0.7	2	0.8	1.8	1.5	2.8	2.3
h	Stainless Steel	Nominal Size	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2	2.2	2.2	2	2	2
		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
per 1000 units≈kg ③	Stainless Steel	≈	0.4	0.4	0.7	0.4	0.7	0.6	1.1	0.9	1.6	0.9	1.5	1.2	2.3	1.9
Size			3/8	10	10	11	12	12	1/2 ①	1/2	14	14	16	16	18	18
Size			Large ① ②	10	Large ②	11	12	Large ②	1/2 ①	Large ① ②	14	Large ②	16	Large ②	18	Large ②
Bolt size	Metric		-	M10	M10	M11	M12	M12	-	-	M14	M14	M16	M16	M18	M18
Bolt size	Inch		3/8”	-	-	7/16”	-	-	1/2”	1/2”	9/16”	9/16”	5/8”	5/8”	-	-
d	max		10.5	10.9	10.9	11.6	13.2	13.2	13.7	13.7	15.4	15.4	17.2	17.2	19.7	19.7
d	min		10.1	10.5	10.5	11.2	12.8	12.8	13.3	13.3	15	15	16.8	16.8	19.3	19.3
dc	Nominal Size		21	16.6	21	18.5	19.5	25.4	19.5	25.4	23	30.7	25.4	30.7	29	34.5
	max		21.2	16.8	21.2	18.7	19.7	25.6	19.7	25.6	23.2	30.9	25.6	30.9	29.2	34.7
	min		20.8	16.4	20.8	18.3	19.3	25.2	19.3	25.2	22.8	30.5	25.2	30.5	28.8	34.3
h	Steel	Nominal Size	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
per 1000 units≈kg ③	Steel	≈	4.8	2.2	4.7	2.9	2.9	9.3	2.7	9	5.6	14.1	6.7	12.8	8.9	15.8
h	Stainless Steel	Nominal Size	2	2	2	2.2	2	3	2	3.2	3	3.2	3	3.2	3.2	3.2
		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
per 1000 units≈kg ③	Stainless Steel	≈	3.8	1.8	3.7	2.6	2.3	8.2	2.2	8	4.9	13.1	5.9	11.3	8	15.6
Size			3/4 ①	3/4	20	20	22	22	24	24	1 ①	1	27	27	30	30
Size			3/4 ①	Large ① ②	20	Large ②	22	Large ②	24	Large ②	1 ①	Large ① ②	27	Large ②	30	Large ②
Bolt size	Metric		-	-	M20	M20	M22	M22	M24	M24	-	-	M27	M27	M30	M30
Bolt size	Inch		3/4”	3/4”	-	-	7/8”	7/8”	-	-	1”	1”	-	-	1 1/8”	1 1/8”
d	max		20.2	20.2	21.6	21.6	23.6	23.6	25.5	25.5	28.1	28.1	28.6	28.6	31.6	31.6
d	min		19.8	19.8	21.2	21.2	23.2	23.2	25.1	25.1	27.7	27.7	28.2	28.2	31.2	31.2
dc	Nominal Size		30.7	39	30.7	39	34.5	42	39	48.5	39	48.5	42	48.5	47	58.5
	max		30.9	39.2	30.9	39.2	34.7	42.2	39.2	48.7	39.3	48.8	42.3	48.8	47.3	58.8
	min		30.5	38.8	30.5	38.8	34.3	41.8	38.8	48.3	38.7	48.2	41.7	48.2	46.7	58.2
h	Steel	Nominal Size	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	6.6
		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	6.1
per 1000 units≈kg ③	Steel	≈	10.5	22.1	9.3	20.9	12.5	31.9	17.4	45.1	15.3	42	31.4	52.7	41	85.8
h	Stainless Steel	Nominal Size	3.2	3.2	3	3.2	3.2	3.2	3.2	3.2	3.2	3.2	6.8	6.8	6.8	6.8
		max	3.45	3.45	3.25	3.45	3.45	3.45	3.45	3.45	3.2	3.2	6.8	6.8	6.8	6.8
		min	2.95	2.95	2.75	2.95	2.95	2.95	2.95	2.95	2.7	2.7	6.3	6.3	6.3	6.3
per 1000 units≈kg ③	Stainless Steel	≈	9.6	21	8.2	20.6	12.3	22.2	15.9	35	14.2	27.9	34.5	53.4	44.9	91.8
Size			33	33	36	36	39	42	45	48	52	56	60	64	68	72
Size			33	Large ②	36	Large ②	39	42	45	48	52	56	60	64	68	72
Bolt size	Metric		M33	M33	M36	M36	M39	M42	M45	M48	M52	M56	M60	M64	M68	M72
Bolt size	Inch		1 1/4”	1 1/4”	1 3/8”	1 3/8”	1 1/2”	-	1 3/4”	-	2”	2 1/4”	-	2 1/2”	-	-
d	max		34.6	34.6	37.6	37.6	40.6	43.4	46.7	50.1	54.1	59.6	63.6	67.6	71.6	75.6
d	min		34.2	34.2	37.2	37.2	40.2	43	46.2	49.6	53.6	59.1	63.1	67.1	71.1	75.1
dc	Nominal Size		48.5	58.5	55	63	58.5	63	70	75	80	85	90	95	100	105
	max		48.8	58.8	55.3	63.3	58.8	63.3	70	75	80	85	90	95	100	105
	min		48.2	58.2	54.7	62.7	58.2	62.7	68	73	78	83	88	93	98	103
h	Steel	Nominal Size	5.8	6.6	5.8	6.6	5.8	5.8	7	7	7	7	7	7	9.5	9.5
		max	6.05	6.6	6.05	6.6	6.05	6.05	7.75	7.75	7.75	7.75	7.75	7.75	10.25	10.25
		min	5.55	6.1	5.55	6.1	5.55	5.55	6.25	6.25	6.25	6.25	6.25	6.25	8.75	8.75
per 1000 units≈kg ③	Steel	≈	38.9	80	54.9	91.5	58.9	79.7	102	120	130	135	152	167	282	307
h	Stainless Steel	Nominal Size	6.8	/	6.8	/	6.8	6.8	6.8	6.8	9	9	9	9	9	9
		max	6.8	/	6.8	/	6.8	6.8	7.55	7.55	9.75	9.75	9.75	9.75	9.75	9.75
		min	6.3	/	6.3	/	6.3	6.3	6.05	6.05	8.25	8.25	8.25	8.25	8.25	8.25
per 1000 units≈kg ③	Stainless Steel	≈	42.8	/	59.6	/	67.4	75	102	120	180.4	213	235	258	282	307

Size			76	80	85	90	95	100	105	110	115	120	125	130
Bolt size	Metric		M76	M80	M85	M90	M95	M100	M105	M110	M115	M120	M125	M130
Bolt size	Inch		3”	3 1/8”	-	-	-	4”	-	-	-	-	-	5”
d	max		79.6	83.6	88.6	92.9	97.9	103.9	108.9	113.9	118.9	123.9	128.9	133.9
d	min		79.1	83.1	88.1	92.4	97.4	103.4	108.4	113.4	118.4	123.4	128.4	133.4
dc	Nominal Size		110	115	120	130	135	145	150	155	165	170	173	178
	max		110	115	120	130	135	145	150	155	165	170	173	178
	min		108	113	118	128	133	143	148	153	163	168	171	176
h	Steel	Nominal Size	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
per 1000 units≈kg ③	Steel	≈	333	360	378	477	498	589	613	635	753	779	766	792
h	Stainless Steel	Nominal Size	9	9	/	/	/	/	/	/	/	/	/	/
		max	9.75	9.75	/	/	/	/	/	/	/	/	/	/
		min	8.25	8.25	/	/	/	/	/	/	/	/	/	/
per 1000 units≈kg ③	Stainless Steel	≈	333	360	/	/	/	/	/	/	/	/	/	/

Equipment

FAQ

Who are we?

Handan Yongnian Hongda fastener Manufacturing Co., Ltd. is located in Yongnian, Handan of fasteners in my country, adjacent to the Beijing-Guangzhou Line, Jingjiu Expressway and Qinghong Expressway intersection, with convenient transportation.

How do we guarantee quality?

our factory successfully passed the ISO9001:2015 international quality system certification. In the future development, the company will continue to adhere to the quality policy of "continuous improvement, striving for excellence and innovation", cooperate wholeheartedly with customers and merchants with strong technical force, equipment force and economic strength, and go hand in hand to create brilliant new achievements.

What can you buy from us?

The company mainly produces bolts, nuts, anchor bolts, screws,stud bolts ,customized special-shaped parts, etc. The products can be produced according to the national international standard (ISO), German standard (DIN), American standard ( ANSI/ASME), British standard (BS) and Japanese standard (JIS).

Why do you want to buy from us instead of other suppliers?

It has more than 20 sets of advanced equipment and an annual output of more than 10,000 tons of high-quality products. The products are sold to more than a dozen countries in the Middle East, Europe, South Korea, and Southeast Asia. "Hongda products, high quality and good price" is the production tenet of our company.

Qualification