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Washers › Bonded, Sealing & Roofing Washers

Flexible Cushion Vibrations EPDM Rubber Bonded Sealing Washers

Updated 2026-11-04 · Markdown version

Model no. UNF-16

US$0.012 – 0.14 / piece

MOQ 200 pieces · Final price confirmed in your quote

Material: 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

Customization	Available
Type	Bonded Sealing Washers
Material	Stainless Steel
Model NO.	UNF-16
Combination Washer Structure	A Type
Combination Washer Packaging	Half a Pack
Spring Washer Type	Bonded Sealing Washers
Delivery	Sea Freight, Air, Train, Express
Certification	ISO9001, BSCI
Sample	Yes
ODM/OEM	Accpet
Transport Package	Carton Boxes + Pallets
Specification	4.8x12 to 6.3x25
Origin	China
HS Code	401693900
Production Capacity	700tons/Month
Common types	Metal - Basic steel, aluminum, or brass washers. Inexpensive, smooth surface prevents damage and sticking. Sizes from 1/4 to several inches.
Category	Bonded, Sealing & Roofing Washers

Technical parameters

Union Stainless Steel Bonded Sealing Washers

Name

Bonded Sealing Washers

Material

Stainless Steel+EPDM

size

4.8x12 to 6.3x25 or non-standard as request&design

Surface Treatment

Plain, Passivation,Polishing,Zinc plated,Coated ,Customized

OEM

Made in China

Lead Time

Based on quantity

Stainless Steel Chemical Composition
Grade	C ≤	Si ≤	Mn ≤	P ≤	S ≤	Ni	Cr	Mo	Other
201	0.15	1.00	5.5-7.5	0.060	0.03	3.5-5.5	16-18		N≤0.25
304	0.08	1.00	2.00	0.045	0.03	8.0-10.0	18-20
304L	0.03	1.00	2.00	0.045	0.03	8.0-12.0	18-20
321	0.08	1.00	2.00	0.045	0.03	8.0-13.0	17-19		Ti≤5*C%
316	0.08	1.00	2.00	0.045	0.03	10.0-14.0	16-18	2-3
316L	0.03	1.00	2.00	0.045	0.03	10.0-15.0	16-18	2-3
309S	0.08	1.00	2.00	0.045	0.03	12.0-15.0	22-24
410	0.15		1.00		0.03	-	11.5-13.5
420	0.26-0.4		1.00		0.03	-	12-14
430	0.12	0.75	1.00	0.040	0.03	-	16-18

Main Fastener Coating
Types	Application	Spray Test Hours	Characteristics
Zinc, Electroplated	All Metal	96Hours	Lower cost and bright surface
Hot Dip Galvanized	All Metal	96Hours	Low corrosion rate and resists mechanical damage.
Electro Nickel	All Metal	200Hours	Flexibility in plating volume and thickness
Mechanical Plating	Steel	1000Hours	Smooth finish with high anti-corrosion grade
Black Oxide	All Metal	3-5Hours	Cheap
Dacrotized	Steel	1000Hours	Pollution-free ceramic coating
Passivation	Stainless Steel	/	Dissolved iron contaminants
Wax	Stainless Steel & Plated Fasteners	Fair, used as a lubricate	Used for ease of assembly

Description

Flexible Cushion Vibrations EPDM Rubber Bonded Sealing Washers is part of our bonded, sealing & roofing washers range (Washers).

Key details

Type: Bonded Sealing Washers
Material: Stainless Steel
Certification: ISO9001, BSCI
Combination Washer Structure: A Type
Combination Washer Packaging: Half a Pack
Spring Washer Type: Bonded Sealing Washers
ODM/OEM: Accpet

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 200 pieces at US$0.012 – 0.14 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 Flexible Cushion Vibrations EPDM Rubber Bonded Sealing Washers?

The listed minimum order is 200 pieces, at US$0.012 – 0.14 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Flexible Cushion Vibrations EPDM Rubber Bonded Sealing Washers?

Type: Bonded Sealing Washers; Material: Stainless Steel; Certification: ISO9001, BSCI; Combination Washer Structure: A Type; Combination Washer Packaging: Half a Pack; Spring Washer Type: Bonded Sealing Washers. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include 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

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US$0.012 – 0.14MOQ 200 piecesGet a quote WA