APPROVED VENDOR Sealing Washer: M12 Screw Sz, Copper, Copper Seal, 12 mm Inside Dia, 18 mm Outside Dia
The APPROVED VENDOR Single-Piece Sealing Washer (SKU 54FP64, MPN M50301.120.0018) is a copper seal washer for M12 screw sizes, with a 12 mm inside diameter and 18 mm outside diameter. Supplied in a small pack of 50…
SKU 3G-OTH-534570
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Single-Piece Sealing Washer (SKU 54FP64, MPN M50301.120.0018) is a copper seal washer for M12 screw sizes, with a 12 mm inside diameter and 18 mm outside diameter. Supplied in a small pack of 50, this metric sealing washer is designed for reliable sealing in industrial applications.
Frequently Asked Questions
What is an APPROVED VENDOR M12 copper sealing washer used for?
This copper sealing washer is used to create a leak-proof seal between a bolt head or nut and the mating surface in metric M12 fastening applications. It is commonly applied in plumbing, hydraulic, and pneumatic systems where copper's malleability ensures a tight, reliable seal under pressure.
What are the specifications of the APPROVED VENDOR sealing washer 54FP64?
The APPROVED VENDOR sealing washer (SKU 54FP64, MPN M50301.120.0018) is a metric single-piece copper seal washer for M12 screw sizes. It has a 12 mm inside diameter, 18 mm outside diameter, and is supplied in a small pack of 50. The seal material is copper.
Where to buy APPROVED VENDOR sealing washers worldwide?
3G Electric supplies the APPROVED VENDOR sealing washer (SKU 54FP64) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this copper seal washer for M12 applications.
How to install a copper sealing washer for M12 bolts?
To install a copper sealing washer, place it over the M12 bolt or stud before tightening the nut. Ensure the washer sits flat against the mating surface. Tighten to the recommended torque for your application. Copper washers can be reused if not deformed, but replace if crushed or damaged for reliable sealing.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR single-piece sealing washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.






