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OEMSingle-Piece Sealing Washers

OEM Copper Sealing Washer, M21 Screw Size, 21 mm ID x 26 mm OD, 25 Pack

The APPROVED VENDOR Single-Piece Sealing Washer (SKU M50301.210.0026, MPN M50301.210.0026) is a copper seal for M21 screw sizes, with a 21 mm inside diameter and 26 mm outside diameter, supplied in a 25-pack. This…

SKU 3G-OTH-534453

Also listed as: M503012100026 · M50301 210 0026 · M50301-210-0026

Brand
OEM
Item
Copper Sealing Washer, M21 Screw Size, 21 mm ID x 26 mm OD, 25 Pack
Part Number
M50301.210.0026
Category
Single-Piece Sealing Washers
Available to Order
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OEM
Manufacturer Part Number
M50301.210.0026
Type
Copper, Copper Seal, 25 PK
Pack Size
Small Pack
Inside Dia
21 mm
Outside Dia
26 mm
Product Type
Sealing Washer
Seal Material
Copper
System of Measurement
Metric

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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Single-Piece Sealing Washer (SKU M50301.210.0026, MPN M50301.210.0026) is a copper seal for M21 screw sizes, with a 21 mm inside diameter and 26 mm outside diameter, supplied in a 25-pack. This metric copper sealing washer is designed for leak-proof sealing in industrial fastening applications.

Frequently Asked Questions

What is an APPROVED VENDOR M21 copper sealing washer used for?

This copper sealing washer is used to create a leak-proof seal around M21 screw fasteners in industrial piping, hydraulic, and pneumatic systems. The copper material deforms under compression to fill gaps, preventing fluid or gas leaks in high-pressure or high-temperature connections.

What are the specifications of the APPROVED VENDOR sealing washer M50301.210.0026?

The APPROVED VENDOR sealing washer (MPN M50301.210.0026) has a 21 mm inside diameter and 26 mm outside diameter, designed for M21 screw sizes. It is made of copper, supplied in a 25-pack, and uses metric measurements for industrial sealing applications.

Where to buy APPROVED VENDOR sealing washers worldwide?

3G Electric supplies the APPROVED VENDOR sealing washer (SKU 3G-OTH-534453) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive genuine industrial sealing components for your fastening needs.

How to install a copper sealing washer for M21 screws?

Place the copper sealing washer over the M21 screw shank before assembly. Tighten the fastener to the recommended torque; the copper compresses to form a tight seal against mating surfaces. Ensure surfaces are clean and free of debris to prevent leaks. Replace after each use for best results.

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OEM Products

3G Electric supplies OEM single-piece sealing washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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