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Washers › Bonded, Sealing & Roofing Washers

Good Waterproof Stainless Steel and EPDM Rubber Bonded Sealing Washers Gaskets for Hex Head Bolts

Updated 2026-11-04 · Markdown version

US$0.0965,000–9,999 pieces

US$0.07210,000–19,999 pieces

US$0.04820,000–49,999 pieces

US$0.02450,000+ pieces

MOQ 5,000 pieces · Final price confirmed in your quote

Size: M4.2 M4.8 M5.5 M6.3 M8 M10
Surface Treatment: Smooth
Package Size: 12.50cm * 11.50cm * 7.00cm
Material: EPDM Bonded Stainless Steel

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Combination Washer Structure	Rubber Bonded Stainless Steel
Combination Washer Packaging	All Inclusive
Spring Washer Type	Sealing Washers
Washer Type	Sealing Washers
Name	EPDM Rubber Bonded Sealing Washers
Size	M4.2 M4.8 M5.5 M6.3 M8 M10
Surface Treatment	Smooth
Certification	ISO9001
OEM	Available
Transport Package	Carton+Pallet
Specification	M4.2 M4.8 M5.5 M6.3 M8 M10
Origin	Jiangsu, China
HS Code	73182200
Production Capacity	500tons/Month
Package Size	12.50cm * 11.50cm * 7.00cm
Package Gross Weight	2.000kg
Customization	Available
Type	Sealing Washers
Material	EPDM Bonded Stainless Steel
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Bonded, Sealing & Roofing Washers

Technical parameters

Washer Type	Sealing Washers
Material	EPDM Bonded Washers
Surface Tratement	Plain
Diameter	M4.2 M4.8 M5.5 M6.3 M8 M10
OEM	Welcome

Threaded Rods	Thumb screws	Socket Screws	Security Screws
Shoulder Screws	Rivets	Solar Hanger Bolt	Pins
Springs	Captive Screws	U/L/J bolts	Machine Screws

Description

Good Waterproof Stainless Steel and EPDM Rubber Bonded Sealing Washers Gaskets for Hex Head Bolts is part of our bonded, sealing & roofing washers range (Washers).

Key details

Type: Sealing Washers
Material: EPDM Bonded Stainless Steel
Size: M4.2 M4.8 M5.5 M6.3 M8 M10
Surface Treatment: Smooth
Certification: ISO9001
Combination Washer Structure: Rubber Bonded Stainless Steel
Combination Washer Packaging: All Inclusive
Spring Washer Type: Sealing Washers

Available configurations include size, surface treatment, package size and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 5,000 pieces at US$0.024 – 0.096 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Good Waterproof Stainless Steel and EPDM Rubber Bonded Sealing Washers Gaskets for Hex Head Bolts?

The listed minimum order is 5,000 pieces, at US$0.024 – 0.096 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.096 for 5,000–9,999 pieces; US$0.072 for 10,000–19,999 pieces; US$0.048 for 20,000–49,999 pieces; US$0.024 for 50,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Good Waterproof Stainless Steel and EPDM Rubber Bonded Sealing Washers Gaskets for Hex Head Bolts?

Type: Sealing Washers; Material: EPDM Bonded Stainless Steel; Size: M4.2 M4.8 M5.5 M6.3 M8 M10; Surface Treatment: Smooth; Certification: ISO9001; Combination Washer Structure: Rubber Bonded Stainless Steel. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include size, surface treatment, package size and material. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other bonded, sealing & roofing washers are available?

The Bonded, Sealing & Roofing Washers category lists 2,033 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/washers/bonded-sealing-roofing-washers/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.024 – 0.096MOQ 5,000 piecesGet a quote WA