--- title: "BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer" description: "BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer — Flat & Other Precision Washers. MOQ 1,000 pieces, US$0.12 – 0.60." url: https://engineeringhardware.com/product/bs-3410-7-8-1-bms-heavy-pattern-light-pattern-plain-flat-round-washer/ source: Engineering Hardware & Fasteners --- # BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer [![BS 3410 7/8 1 BMS Heavy Pattern/Light Pattern Plain Flat Round Washer](https://img.engineeringhardware.com/BS-3410-7-8-1-BMS-Heavy-Pattern-Light-Pattern-Plain-Flat-Round-Washer.webp)](https://img.engineeringhardware.com/BS-3410-7-8-1-BMS-Heavy-Pattern-Light-Pattern-Plain-Flat-Round-Washer.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/bs-3410-7-8-1-bms-heavy-pattern-light-pattern-plain-flat-round-washer.md) 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 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20BS%203410%207%2F8%201%20BMS%20Heavy%20Pattern%2FLight%20Pattern%20Plain%20Flat%20Round%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fbs-3410-7-8-1-bms-heavy-pattern-light-pattern-plain-flat-round-washer%2F) 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](https://engineeringhardware.com/fastener-products/washers/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/](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 [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Flat & Other Precision Washers →](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) [![Bicycle Disc Brake Caliper Titanium Alloy M6 Concave and Convex Washer (Multiple Colors)](https://img.engineeringhardware.com/Bicycle-Disc-Brake-Caliper-Titanium-Alloy-M6-Concave-and-Convex-Washer-Multiple-Colors.webp)](https://engineeringhardware.com/product/bicycle-disc-brake-caliper-titanium-alloy-m6-concave-and-convex-washer-multiple/) Flat & Other Precision Washers ### [Bicycle Disc Brake Caliper Titanium Alloy M6 Concave and Convex Washer (Multiple Colors)](https://engineeringhardware.com/product/bicycle-disc-brake-caliper-titanium-alloy-m6-concave-and-convex-washer-multiple/) Flat Gasket · Titanium **US$0.0228 – 0.024**MOQ 1,000 pieces [![Advanced Hospital Washers with Full Suspension Shock Absorption Technology/15kg-120kg](https://img.engineeringhardware.com/Advanced-Hospital-Washers-with-Full-Suspension-Shock-Absorption-Technology-15kg-120kg.webp)](https://engineeringhardware.com/product/advanced-hospital-washers-with-full-suspension-shock-absorption-technology-15kg-120kg/) Flat & Other Precision Washers ### [Advanced Hospital Washers with Full Suspension Shock Absorption Technology/15kg-120kg](https://engineeringhardware.com/product/advanced-hospital-washers-with-full-suspension-shock-absorption-technology-15kg-120kg/) Vertical · 380+N-3PH-50HZ **US$2,160 – 8,160**MOQ 1 piece [![LED Wall Washer Light IP65 Waterproof for Engineer Lighting Outdoor Building Landscape](https://img.engineeringhardware.com/LED-Wall-Washer-Light-IP65-Waterproof-for-Engineer-Lighting-Outdoor-Building-Landscape.webp)](https://engineeringhardware.com/product/led-wall-washer-light-ip65-waterproof-for-engineer-lighting-outdoor-building/) Flat & Other Precision Washers ### [LED Wall Washer Light IP65 Waterproof for Engineer Lighting Outdoor Building Landscape](https://engineeringhardware.com/product/led-wall-washer-light-ip65-waterproof-for-engineer-lighting-outdoor-building/) CE, EMC, LVD, RoHS · IP65 **US$24.00 – 36.00**MOQ 5 pieces [![Professional Coin or Card Operated Stacked Washer and Dryer Manufacturer](https://img.engineeringhardware.com/Professional-Coin-or-Card-Operated-Stacked-Washer-and-Dryer-Manufacturer.webp)](https://engineeringhardware.com/product/professional-coin-or-card-operated-stacked-washer-and-dryer-manufacturer/) Flat & Other Precision Washers ### [Professional Coin or Card Operated Stacked Washer and Dryer Manufacturer](https://engineeringhardware.com/product/professional-coin-or-card-operated-stacked-washer-and-dryer-manufacturer/) Vertical Front Loading · Full Stainless Steel 304/316 **US$2,640 – 4,560**MOQ 1 set [![Windshield Washer Fluid Tank for KIA Grand Carnival/ Vq 2006-2014 /Hyundai H-1 Starex 98620-26000](https://img.engineeringhardware.com/Windshield-Washer-Fluid-Tank-for-KIA-Grand-Carnival-Vq-2006-2014-Hyundai-H-1-Starex-98620-26000.webp)](https://engineeringhardware.com/product/windshield-washer-fluid-tank-for-kia-grand-carnival-vq-2006-2014-hyundai-h-1-starex/) Flat & Other Precision Washers ### [Windshield Washer Fluid Tank for KIA Grand Carnival/ Vq 2006-2014 /Hyundai H-1 Starex 98620-26000](https://engineeringhardware.com/product/windshield-washer-fluid-tank-for-kia-grand-carnival-vq-2006-2014-hyundai-h-1-starex/) Auto Bumper · Plastic **US$32.40 – 33.60**MOQ 50 pieces [![Ultra-Thin 0.5mm AISI 304 Stainless Shim Washer for PCB Mounting with RoHS/Reach Compliance Precision Shim Washer](https://img.engineeringhardware.com/Ultra-Thin-0-5mm-AISI-304-Stainless-Shim-Washer-for-PCB-Mounting-with-RoHS-Reach-Compliance-Precision-Shim-Washer.webp)](https://engineeringhardware.com/product/ultra-thin-0-5mm-aisi-304-stainless-shim-washer-for-pcb-mounting-with-rohs-reach/) Flat & Other Precision Washers ### [Ultra-Thin 0.5mm AISI 304 Stainless Shim Washer for PCB Mounting with RoHS/Reach Compliance Precision Shim Washer](https://engineeringhardware.com/product/ultra-thin-0-5mm-aisi-304-stainless-shim-washer-for-pcb-mounting-with-rohs-reach/) Flat Gasket · DIN GB ISO JIS BA ANSI **US$0.12 – 0.60**MOQ 1,000 pieces [![Custom CNC Machined Stainless Steel Spacer Washer for Auto Hardware](https://img.engineeringhardware.com/Custom-CNC-Machined-Stainless-Steel-Spacer-Washer-for-Auto-Hardware.webp)](https://engineeringhardware.com/product/custom-cnc-machined-stainless-steel-spacer-washer-for-auto-hardware/) Flat & Other Precision Washers ### [Custom CNC Machined Stainless Steel Spacer Washer for Auto Hardware](https://engineeringhardware.com/product/custom-cnc-machined-stainless-steel-spacer-washer-for-auto-hardware/) Aluminum 6061-T6 · Polishing **US$1.80 – 3.36**MOQ 50 pieces [![ASME/ANSI B 18.21.1/ISO 7089/DIN 125 Steel with Black Zinc Plated Flat Washers/Gasket](https://img.engineeringhardware.com/ASME-ANSI-B-18-21-1-ISO-7089-DIN-125-Steel-with-Black-Zinc-Plated-Flat-Washers-Gasket.webp)](https://engineeringhardware.com/product/asme-ansi-b-18-21-1-iso-7089-din-125-steel-with-black-zinc-plated-flat-washers-gasket/) Flat & Other Precision Washers ### [ASME/ANSI B 18.21.1/ISO 7089/DIN 125 Steel with Black Zinc Plated Flat Washers/Gasket](https://engineeringhardware.com/product/asme-ansi-b-18-21-1-iso-7089-din-125-steel-with-black-zinc-plated-flat-washers-gasket/) Washer · Steel **US$0.024**MOQ 100 pieces **US$0.12 – 0.60**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20BS%203410%207%2F8%201%20BMS%20Heavy%20Pattern%2FLight%20Pattern%20Plain%20Flat%20Round%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fbs-3410-7-8-1-bms-heavy-pattern-light-pattern-plain-flat-round-washer%2F)