Handan Yongnian Hongji Machinery Parts Co., LTD.,

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+86 155 3000 9000

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DIN25201 65Mn Steel Black Oxide Wedge Lock Washer Double Fold Self‑locking Anti‑Loosening Washer

Item: Washer
Type: Lock Washer
Standard: DIN25201
Material: 65Mn Spring Steel
Surface Treatment: Black Oxide
Application: Railway, Heavy‑duty Machinery, Automotive, Construction, Industrial Equipment

Category:

Wedge-Shaped Anti-Loosening Gasket

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产品描述

Description

SIZE UNIT: MILLIMETER (MM)

SPECIFICATION	INNER DIAMETER	OUTSIDE DIAMETER	THICKNESS	HEIGHT
M2.5	2.4mm	4.75mm	0.45mm	0.8mm
M3	3-3.1mm	5.5mm	0.5mm	0.8mm
M4	4.3mm	7mm	0.5mm	1mm
M5	5.2-5.3mm	8.8mm	0.6mm	1-1.2mm
M6	6.4mm	9.9mm	0.7mm	1.2-1.3mm
M8	8.4mm	13mm	0.8mm	1.3mm
M10	10.3-10.5mm	15.9mm	0.9-1mm	1.4-1.5mm
M12	13mm	17.9mm	1mm	1.5mm
M14	14.4-15mm	22-23mm	1.1-1.4mm	1.8-2mm
M16	16.9-17mm	24mm	1.2-1.4mm	1.8-2.2mm
M18	18.6-18.7mm	27.2mm	1.4mm	2.3mm
M20	20.5mm	30.2-30.35mm	1.8mm	2.5-2.7mm
M22	22.5mm	33.2mm	1.9mm	2.6mm
M24	25mm	36.3mm	1.9mm	2.8mm
M25	25.7mm	35.9mm	1.8mm	2.4mm
M27	28.4-28.6mm	38.8mm	1.9mm	2.9mm
M30	31.2-31.8mm	44.6-44.8mm	1.9-2mm	3mm
M36	36.6mm	53.6-53.9mm	2.6mm	3.5mm

Product Details

Our DIN25201 double fold self‑locking wedge lock washer is manufactured from premium 65Mn spring steel with black oxide surface treatment. Reliable anti‑loosening effect under heavy vibration load, widely applied in railway, heavy machinery and auto industry. OEM customization and free sample are supported.

Product Packaging

About Us

FAQ

1.You are a manufacturing company or trading company?

We are a fastener manufacturer, and our main products are Bolt, Nut, Screw, Anchor and Washer. Meanwhile, we are also a fastener trader with many years experiences in domestic and international market.

2.What quote do you offer?

We offer EXW, FCA(Guangzhou, Foshan, Yiwu, Shanghai, Wenzhou, Urumchi, and many other cities), FOB, CIF, CFR, DAP, DDP sea shipment terms.

3. Can you provide the necessary customs clearance documents

Yes. We are a legal and compliant enterprise of the People's Republic of China, having the formal import and export qualification. FORM E, CO, Invoice with embassy certification are all available for our order.

4.How pay?

T/T, Alibaba Online Payment, Paypal are all available.

5.How transport?

The most common means is sea shipment, if the order quantity is great, this means is the best.

But if the order quantity is little, we advise the air express or air transportation.

Of course, the land transportation is also OK.

Door to Door is also available.

6.Can I order a small list ?

Of course you can. We offer the samples service.

7.Can we print our own logo ?

Yes. We offer the customized service based on a big quantity. OEM and ODM are OK.

Send Email

Taylor@hdhongji.com

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+86 155 3000 9000

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Tel/WhatsApp:

+86 155 3000 9000

Email:

Taylor@hdhongji.com

The company's main products cover bolts, nuts, anchor, screws, washers and customized parts, casting parts, built-in fitting parts and steel

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