DIN25201 double-stack self-locking washer carbon steel Dacromet lock washer

Moq:

1 ton

Price:

Please contact us

Package:

Bagged/Boxed etc.

Export port:

Tianjin/Qingdao/Shanghai etc.

Delivery date:

15~30 days

Payment method:

T/T T/C

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Product Detail

Product Tags

Product Photos and Information

Name	Double Fold Lock Washers	Materials	Carbon Steel/Stainless Steel
Standards	DIN ISO ANC BSW JIS etc.	Strength level	65MN 4.8 8.8 10.9 etc.
Size	M3-M18	Surface finish	ZPBLACK etc.
Length	1-3.5	Samples	Available

Product Standards

Double stack self-locking washers (carbon steel/stainless steel) DIN 25201
Specification			3	3.5	3.5 sp enlargement ②	4	4 sp enlarged ②	5	5 sp enlarged ②	6	6 sp enlarged ②	1/4 ①	1/4 sp enlarged ① ②	8	8 sp enlarged ②	3/8 ①
Bolt Specifications	Metric		M3	M3.5	M3.5	M4	M4	M5	M5	M6	M6	-	-	M8	M8	-
Bolt Specifications	Inches		#5	#6	#6	#8	#8	#10	#10	-	-	1/4"	1/4"	5/16"	5/16"	3/8"
d	maximum value		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	minimum		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		7	7.6	9	7.6	9	9	10.8	10.8	13.5	11.5	13.5	13.5	16.6	16.6
	maximum value		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
	minimum		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	carbon steel	Nominal	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
		maximum value	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
		minimum	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
1000 pieces weight kg ③	carbon 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	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2	2.2	2.2	2	2	2
		maximum value	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
		minimum	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
1000 pieces weight 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
Specification			3/8 sp enlarged ① ②	10	10 sp enlarged ②	11	12	12 sp enlarged ②	1/2 ①	1/2 sp oversized ① ②	14	14 sp enlarged ②	16	16 sp enlarged ②	18	18 sp enlarged ②
Bolt Specifications	Metric		-	M10	M10	M11	M12	M12	-	-	M14	M14	M16	M16	M18	M18
Bolt Specifications	Inches		3/8"	-	-	7/16”	-	-	1/2"	1/2"	9/16”	9/16”	5/8"	5/8"	-	-
d	maximum value		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	minimum		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		21	16.6	21	18.5	19.5	25.4	19.5	25.4	23	30.7	25.4	30.7	29	34.5
	maximum value		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
	minimum		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	carbon steel	Nominal	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
		maximum value	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
		minimum	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
1000 pieces weight kg ③	carbon 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	2	2	2	2.2	2	3	2	3.2	3	3.2	3	3.2	3.2	3.2
		maximum value	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
		minimum	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
1000 pieces weight 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
Specification			3/4 ①	3/4 sp enlarged ① ②	20	20 sp enlarged ②	twenty two	22 sp enlarged ②	twenty four	24 sp enlarged ②	1 ①	1 sp enlarged ① ②	27	27 sp enlarged ②	30	30 sp enlarged ②
Bolt Specifications	Metric		-	-	M20	M20	M22	M22	M24	M24	-	-	M27	M27	M30	M30
Bolt Specifications	Inches		3/4"	3/4"	-	-	7/8"	7/8"	-	-	1"	1"	-	-	1 1/8"	1 1/8"
d	maximum value		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	minimum		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		30.7	39	30.7	39	34.5	42	39	48.5	39	48.5	42	48.5	47	58.5
	maximum value		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
	minimum		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	carbon steel	Nominal	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
		maximum value	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
		minimum	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
1000 pieces weight kg ③	carbon 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	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
		maximum value	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
		minimum	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
1000 pieces weight 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
Specification			33	33 sp enlarged ②	36	36 sp enlarged ②	39	42	45	48	52	56	60	64	68	72
Bolt Specifications	Metric		M33	M33	M36	M36	M39	M42	M45	M48	M52	M56	M60	M64	M68	M72
Bolt Specifications	Inches		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	maximum value		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	minimum		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		48.5	58.5	55	63	58.5	63	70	75	80	85	90	95	100	105
	maximum value		48.8	58.8	55.3	63.3	58.8	63.3	70	75	80	85	90	95	100	105
	minimum		48.2	58.2	54.7	62.7	58.2	62.7	68	73	78	83	88	93	98	103
h	carbon steel	Nominal	5.8	6.6	5.8	6.6	5.8	5.8	7	7	7	7	7	7	9.5	9.5
		maximum value	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
		minimum	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
1000 pieces weight kg ③	carbon steel	≈	38.9	80	54.9	91.5	58.9	79.7	102	120	130	135	152	167	282	307
h	Stainless steel	Nominal	6.8	/	6.8	/	6.8	6.8	6.8	6.8	9	9	9	9	9	9
		maximum value	6.8	/	6.8	/	6.8	6.8	7.55	7.55	9.75	9.75	9.75	9.75	9.75	9.75
		minimum	6.3	/	6.3	/	6.3	6.3	6.05	6.05	8.25	8.25	8.25	8.25	8.25	8.25
1000 pieces weight kg ③	Stainless steel	≈	42.8	/	59.6	/	67.4	75	102	120	180.4	213	235	258	282	307
Specification			76	80	85	90	95	100	105	110	115	120	125	130
Bolt Specifications	Metric		M76	M80	M85	M90	M95	M100	M105	M110	M115	M120	M125	M130
Bolt Specifications	Inches		3”	3 1/8"	-	-	-	4”	-	-	-	-	-	5”
d	maximum value		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	最低		79.1	83.1	88.1	92.4	97.4	103.4	108.4	113.4	118.4	123.4	128.4	133.4
直流	名义		110	115	120	130	135	145	150	155	165	170	173	178
	最大值		110	115	120	130	135	145	150	155	165	170	173	178
	最低		108	113	118	128	133	143	148	153	163	168	171	176
h	碳钢	名义	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5
		最大值	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25	10.25
		最低	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75	8.75
1000件重量公斤（<>）	碳钢	≈	333	360	378	477	498	589	613	635	753	779	766	792
h	不锈钢	名义	9	9	/	/	/	/	/	/	/	/	/	/
		最大值	9.75	9.75	/	/	/	/	/	/	/	/	/	/
		最低	8.25	8.25	/	/	/	/	/	/	/	/	/	/
1000件重量公斤（<>）	不锈钢	≈	333	360	/	/	/	/	/	/	/	/	/	/
（1），这里是英寸。
（2）、增大尺寸
（3）、“千件重量”可以理解为“每千套垫圈的重量”

About Us

Dabang Fasteners is a wholly-owned subsidiary of Hebei Chengyi Engineering Materials Co., Ltd.
Our parent company has 21 years experience in fastener production and is ISO9001 ISO14001 ISO45001 SGS certified.
We focus on providing customers with competitive products that meet user needs.
--- Factory price, saving 15-30% of the middleman price difference.
--- exporting to 154 countries, accumulatively serving 1800+ customers, rich export experience
--- 5000 tons in stock, up to 3000 tons per month, average delivery time 7-20 days.
--- After-sales team of 25 people, solve all after-sales problems

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--- If the product quality and packaging problems are found after receiving the goods,
help solve the problem and unconditionally compensate the loss within 30 days.

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