Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Bonded Sealing Washer: M20 Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.774 in Inside Dia - Sealing Washers with Rubber-Bonded Inner Diameter
APPROVED VENDORSealing Washers with Rubber-Bonded Inner Diameter

APPROVED VENDOR Bonded Sealing Washer: M20 Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.774 in Inside Dia

The APPROVED VENDOR Bonded Sealing Washer (SKU 880F13, MPN ZMBSW-29) is a zinc-plated steel sealing washer with a Buna-N seal, designed for M20 screw sizes and use without a nut. It features a 0.774 in inside…

SKU 3G-OTH-533173

Brand
APPROVED VENDOR
Item
Bonded Sealing Washer: M20 Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.774 in Inside Dia
Category
Sealing Washers with Rubber-Bonded Inner Diameter
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
ZMBSW-29
Type
Zinc-Plated, Steel, Buna-N Seal, 5 PK
Inside Dia
0.774 in
FDA Approval
Not FDA Approved
Product Type
Sealing Washer
Seal Material
Buna-N
Metal Detection
Metal Detectable
Washer Sub Type
ID Bonded - For Use Without Nut
X-Ray Detection
X-Ray Detectable
Seal Material Color
Black
System of Measurement
Metric
Compatible Product Type
For Use without Nut
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The APPROVED VENDOR Bonded Sealing Washer (SKU 880F13, MPN ZMBSW-29) is a zinc-plated steel sealing washer with a Buna-N seal, designed for M20 screw sizes and use without a nut. It features a 0.774 in inside diameter, is metal and X-ray detectable, and comes in a 5-pack. This metric washer is not FDA approved.

Frequently Asked Questions

What is an APPROVED VENDOR bonded sealing washer used for?

An APPROVED VENDOR bonded sealing washer seals bolted joints in industrial equipment, preventing fluid or gas leaks. It is used without a nut, making it suitable for applications where a nut cannot be installed, such as in confined spaces or on threaded studs.

What are the specifications of the APPROVED VENDOR ZMBSW-29 bonded sealing washer?

The APPROVED VENDOR ZMBSW-29 bonded sealing washer fits M20 screw sizes, has a 0.774 in inside diameter, and is made of zinc-plated steel with a Buna-N seal. It is metal and X-ray detectable, comes in a 5-pack, and is not FDA approved.

Where to buy APPROVED VENDOR bonded sealing washers worldwide?

3G Electric supplies APPROVED VENDOR bonded sealing washers worldwide. We handle full logistics and customs clearance to deliver industrial sealing washers to your facility, ensuring compliance with international shipping requirements.

How to install an APPROVED VENDOR bonded sealing washer?

To install an APPROVED VENDOR bonded sealing washer, slide it onto the bolt or stud with the rubber seal facing the joint surface. Tighten the fastener to the recommended torque for the application. The Buna-N seal compresses to create a leak-proof seal without needing a nut.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR sealing washers with rubber-bonded inner diameter. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from APPROVED VENDOR

View all APPROVED VENDOR parts →
Bonded Sealing Washer: M12 Screw Sz, 18-8, Stainless Steel, FKM Seal, 0.461 in Inside Dia, FKM, 5 PK (MPN ZMBSW-42). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Metric; X-Ray Detection: X-Ray Detectable; Seal Material: FKM; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: M12 Screw Sz, 18-8, Stainless Steel, FKM Seal, 0.461 in Inside Dia, FKM, 5 PK (MPN ZMBSW-42). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Metric; X-Ray Detection: X-Ray Detectable; Seal Material: FKM; Seal Material Color: Black; FDA Approval: Not FDA Approved.
Bonded Sealing Washer: #10 Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.186 in Inside Dia, 5 PK (MPN ZMBSW-3). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: #10 Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.186 in Inside Dia, 5 PK (MPN ZMBSW-3). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
Bonded Sealing Washer: 1 1/8 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 1.106 in Inside Dia (MPN BULK-MBSW-1). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: 1 1/8 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 1.106 in Inside Dia (MPN BULK-MBSW-1). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
Bonded Sealing Washer: 3/4 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.765 in Inside Dia, Buna-N (MPN ZMBSW-21). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: 3/4 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.765 in Inside Dia, Buna-N (MPN ZMBSW-21). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
Bonded Sealing Washer: 7/8 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.864 in Inside Dia, Buna-N (MPN ZMBSW-22). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: 7/8 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.864 in Inside Dia, Buna-N (MPN ZMBSW-22). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
Bonded Sealing Washer: M10 Screw Sz, 18-8, Stainless Steel, FKM Seal, 0.383 in Inside Dia, FKM, 5 PK (MPN ZMBSW-41). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Metric; X-Ray Detection: X-Ray Detectable; Seal Material: FKM; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: M10 Screw Sz, 18-8, Stainless Steel, FKM Seal, 0.383 in Inside Dia, FKM, 5 PK (MPN ZMBSW-41). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Metric; X-Ray Detection: X-Ray Detectable; Seal Material: FKM; Seal Material Color: Black; FDA Approval: Not FDA Approved.
Bonded Sealing Washer: 5/16 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.301 in Inside Dia, 10 PK (MPN ZMBSW-6). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: 5/16 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.301 in Inside Dia, 10 PK (MPN ZMBSW-6). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
Bonded Sealing Washer: 9/16 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.552 in Inside Dia, 5 PK (MPN ZMBSW-10). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.
APPROVED VENDOR
Bonded Sealing Washer: 9/16 in Screw Sz, Zinc-Plated, Steel, Buna-N Seal, 0.552 in Inside Dia, 5 PK (MPN ZMBSW-10). Key specifications — Brand: APPROVED VENDOR; Compatible Product Type: For Use without Nut; Product Type: Sealing Washer; System of Measurement: Inch; X-Ray Detection: Not X-Ray Detectable; Seal Material: Buna-N; Seal Material Color: Black; FDA Approval: Not FDA Approved.