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Washers › Flat & Other Precision Washers

BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer

Updated 2026-11-04 · Markdown version

Model no. BS 3410 7/8 1 Washer

US$0.12 – 0.60 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Material: Stainless Steel
Hardness: 140hv, 200hv or Higher
Packag Color: Customizable
Thread Standard: Bsw
Custom Order: Customization by Drawing/Sample
Material Test Certificate: Have
Color: Customizable or Sliver
Finish: Zinc Plated, Zinc Flake, HDG

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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	Flat Gasket
Material	Stainless Steel
Model NO.	BS 3410 7/8 1 Washer
Combination Washer Structure	A Type
Combination Washer Packaging	All Inclusive
Spring Washer Type	Standard
Hardness	140hv, 200hv or Higher
Delivery	20-30 Days
Certification	BS 3410
Packag Color	Customizable
Thread Standard	Bsw
Custom Order	Customization by Drawing/Sample
ODM/OEM	Available
Service	Custom-Made Service
Material Test Certificate	Have
Sample	Samples in Stock Are Free with Freight Collect
Color	Customizable or Sliver
Quality Control	100% Quality Inspection
Application2	Connection, Fastening
Finish	Zinc Plated, Zinc Flake, HDG
Transport Package	Bulk Pack Small Boxed
Specification	140HV, 200HV OR HIGHER
Origin	China
HS Code	731816
Production Capacity	10000ton/Year
Fasteners	Including
Hardware Tools	Hand tools, power tool accessories, measuring instruments, and workshop equipment
Industrial Consumables	Abrasives, adhesives, seals, gaskets, and maintenance products
Custom Hardware Solutions	OEM manufacturing and specialty product development
Our vertically integrated supply network spans	Mainland China's manufacturing clusters
Three-tier inspection process	material verification, production monitoring, pre-shipment checking
Category	Flat & Other Precision Washers

Technical parameters

Size	d max	d min	dc max	dc min	h light	h heavy
1/4	0.27	0.265	0.562	0.557	0.036	0.056
5/16	0.333	0.328	0.625	0.62	0.04	0.072
3/8	0.395	0.39	0.75	0.745	0.048	0.072
7/16	0.458	0.453	0.875	0.87	0.048	0.092
1/2	0.52	0.515	1	0.995	0.056	0.092
9/16	0.593	0.588	1.125	1.115	0.056	0.104
5/8	0.656	0.651	1.25	1.24	0.072	0.116
3/4	0.781	0.776	1.5	1.49	0.072	0.128

Size	d max	d min	dc max	dc min	h light	h heavy
7/8	0.906	0.901	1.625	1.615	0.072	0.144
1	1.031	1.026	1.875	1.865	0.072	0.16
1-1/8	1.156	1.151	2.125	2.115	0.092	0.176
1-1/4	1.281	1.276	2.375	2.355	0.116	0.176
1-3/8	1.406	1.401	2.625	2.605	/	0.192
1-1/2	1.531	1.526	2.875	2.855	/	0.192
1-3/4	1.781	1.776	3.375	3.345	/	0.212
2	2.031	2.026	3.625	3.595	/	0.212

Model NO.	BMS Plain Flat Round Washers Heavy Pattern/Light Pattern BS 3410
Standard	BS 3410
Material	CARBON STEEL, STAINLESS STEEL,BRASS
Hardness	140HV, 200HV OR HIGHER
Finish	ZINC PLATED, ZINC FLAKE, HDG
Packaging	BULK PACK / SMALL BOXED

Description

BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer is part of our flat & other precision washers range (Washers).

Key details

Type: Flat Gasket
Material: Stainless Steel
Finish: Zinc Plated, Zinc Flake, HDG
Certification: BS 3410
Combination Washer Structure: A Type
Combination Washer Packaging: All Inclusive
Spring Washer Type: Standard
Hardness: 140hv, 200hv or Higher

Available configurations include material, hardness, packag color, thread standard and custom order. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.12 – 0.60 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 BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer?

The listed minimum order is 1,000 pieces, at US$0.12 – 0.60 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 BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer?

Type: Flat Gasket; Material: Stainless Steel; Finish: Zinc Plated, Zinc Flake, HDG; Certification: BS 3410; Combination Washer Structure: A Type; Combination Washer Packaging: All Inclusive. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, hardness, packag color, thread standard and custom order. 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 flat & other precision washers are available?

The Flat & Other Precision Washers category lists 8,437 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/washers/flat-other-precision-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$0.12 – 0.60MOQ 1,000 piecesGet a quote WA