---
title: "Square Plate Washer Flat Threaded Rectangular Lock DIN Zinc Finish Split Style for Steel Metal Zinc Metal Washer Lock Washer"
description: "Square Plate Washer Flat Threaded Rectangular Lock DIN Zinc Finish Split Style for Steel… — Spring & Split Lock Washers. MOQ 10,000 pieces, US$0.036 – 0.084."
url: https://engineeringhardware.com/product/square-plate-washer-flat-threaded-rectangular-lock-din-zinc-finish-split-style-for/
source: Engineering Hardware & Fasteners
---

# Square Plate Washer Flat Threaded Rectangular Lock DIN Zinc Finish Split Style for Steel Metal Zinc Metal Washer Lock Washer

[![Square Plate Washer Flat Threaded Rectangular Lock DIN Zinc Finish Split Style for Steel Metal Zinc Metal Washer Lock Washer](https://img.engineeringhardware.com/Square-Plate-Washer-Flat-Threaded-Rectangular-Lock-DIN-Zinc-Finish-Split-Style-for-Steel-Metal-Zinc-Metal-Washer-Lock-Washer.webp)](https://img.engineeringhardware.com/Square-Plate-Washer-Flat-Threaded-Rectangular-Lock-DIN-Zinc-Finish-Split-Style-for-Steel-Metal-Zinc-Metal-Washer-Lock-Washer.webp)

- Standard & made-to-drawing parts
- Checked before shipping
- Air, sea & express delivery

[Washers › Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/square-plate-washer-flat-threaded-rectangular-lock-din-zinc-finish-split-style-for.md)

| **US$0.084**10,000–49,999 pieces | **US$0.06**50,000–99,999 pieces | **US$0.036**100,000+ pieces |
| --- | --- | --- |

MOQ 10,000 pieces · Final price confirmed in your quote

- **Material:** Carbon Steel, Stainless Steel, Alloy Steel
- **Customized:** Yes
- **Finish:** Zinc Plated / Hot-DIP Galvanized / Black Oxide / D
- **Thread Length:** Full Thread / Custom Thread Length
- **Size Range:** Size M6-M36 / Custom Available
- **Standard:** DIN / ISO / Custom
- **Package Size:** 24.40cm * 12.00cm * 12.00cm
- **Materials:** 304/316 stainless steel (outdoor/corrosive use); zinc-plated carbon steel (indoor use)

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Square%20Plate%20Washer%20Flat%20Threaded%20Rectangular%20Lock%20DIN%20Zinc%20Finish%20Split%20Style%20for%20Steel%20Metal%20Zinc%20Metal%20Washer%20Lock%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fsquare-plate-washer-flat-threaded-rectangular-lock-din-zinc-finish-split-style-for%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 | Carbon Steel, Stainless Steel, Alloy Steel |
| Combination Washer Structure | Square / Square with Round Hole |
| Combination Washer Packaging | as Your Request |
| Spring Washer Type | Standard |
| Delivery | 5-10 Days in Stock, 10-30 Days Not in Stock |
| Customized | Yes |
| Finish | Zinc Plated / Hot-DIP Galvanized / Black Oxide / D |
| Thread Length | Full Thread / Custom Thread Length |
| Feature | Large Bearing Area / Load Distribution / Anti-Embe |
| Application | Steel Structure / Timber Construction / Bridge / H |
| Size Range | Size M6-M36 / Custom Available |
| Thickness | 2mm / 3mm / 5mm / Custom |
| Shape | Square / Square with Round Hole |
| Standard | DIN / ISO / Custom |
| Transport Package | Plastic Bags+Cartons+Pallets |
| Specification | as Request |
| Origin | Hebei, China |
| HS Code | 731822 |
| Production Capacity | 50 Million Tons/Month |
| Package Size | 24.40cm * 12.00cm * 12.00cm |
| Package Gross Weight | 30.000kg |
| Materials | 304/316 stainless steel (outdoor/corrosive use); zinc-plated carbon steel (indoor use) |
| Specs | Side lengths 8–50mm, thickness 0.5–5mm, inner holes fit M3–M20 screws/bolts |
| Construction | Fix steel structures, wooden keels, wall brackets |
| Furniture | Protect wood/plastic surfaces, enhance connection stability |
| Outdoor | Garden fences, outdoor signs, solar brackets |
| Machinery | Reduce vibration, prevent fastener loosening |
| High-strength & high-load applications | engines, heavy machinery, structural bolts. |
| Lightweight applications | aerospace, racing, drones, bicycles. |
| Longshi Advantage | 8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans. |
| Stockout rate | 10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely). |
| Category | [Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) |

## Technical parameters

| Applicable Thread |  | M10 | M12 | M16 | M20 | M22 | M24 | M27 | M30 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| d | - Minimum-Nominal | 11 | 13.5 | 17.5 | 22 | 24 | 26 | 30 | 33 |
| - Maximum | 11.43 | 13.93 | 18.2 | 22.84 | 24.84 | 26.84 | 30.84 | 34 |  |
| s | - Maximum-Nominal | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 95 |
| - Minimum | 28.7 | 38.4 | 48.4 | 58.1 | 68.1 | 78.1 | 87.8 | 92.8 |  |
| h | - Nominal | 3 | 4 | 5 | 5 | 6 | 6 | 6 | 6 |
| - Maximum | 3.6 | 4.6 | 6 | 6 | 7 | 7 | 7 | 7 |  |
| - Minimum | 2.4 | 3.4 | 4 | 4 | 5 | 5 | 5 | 5 |  |
|  | Weight per 1000 pieces (Steel) /kg | 20 | 45.7 | 88.7 | 126 | 209 | 275 | 348 | 385 |

| Specs (Thread Diameter × Total Length) | Suitable Wood Types | Recommended Static Load Capacity | Common Materials |
| --- | --- | --- | --- |
| M4×30mm | Softwood, thin plywood | ≤10kg | Zinc-plated carbon steel, 304 stainless steel |
| M5×40mm | Softwood, medium-thick hardwood | ≤15kg | Zinc-plated carbon steel, 304 stainless steel |
| M6×50mm | Hardwood, thick plywood | ≤20kg | Zinc-plated carbon steel, 304/316 stainless steel |
| M8×60mm | Hardwood, thick solid wood | ≤25kg | 304/316 stainless steel |

| Material | Corrosion Resistance | Temperature Resistance | Magnetic | Applications |
| --- | --- | --- | --- | --- |
| Carbon Steel | Low | -20°C to 300°C(-4°F to 572°F) | Yes | General purpose, construction, indoor machinery, automotive. |
| Alloy Steel | Low to Medium | -50°C to 450°C(-58°F to 842°F) | Yes | High-strength & high-load applications: engines, heavy machinery, structural bolts. |
| SS304 Stainless Steel | Good | -196°C to 800°C(-321°F to 1472°F) | No | Food processing, kitchen equipment, chemical equipment, architectural fixtures. |
| SS316 Stainless Steel | Excellent | -196°C to 800°C(-321°F to 1472°F) | No | Marine environments, chemical processing, medical implants, coastal structures. |
| Brass | Good | -20°C to 200°C(-4°F to 392°F) | No | Electrical applications, plumbing and pipe fittings, decorative purposes. |
| Aluminum Alloy | Good | -200°C to 150°C(-328°F to 302°F) | No | Lightweight applications: aerospace, racing, drones, bicycles. |
| Titanium Alloy | Excellent | -200°C to 600°C(-328°F to 1112°F) | No | High-end aerospace, medical implants, performance racing, chemical industry. |
| Nylon (Plastic) | Excellent | -40°C to 85°C(-40°F to 185°F) | No | Electrical insulation, lightweight fastening, chemical resistance, electronics. |

| Items | Hex Flange Nut/ Hex Nut/Nylon Insert Nut/Rivet Nut/Wing Nut/Spring Nut/Square Nut...... |
| --- | --- |
| Material | Stainless Steel A2 A4 A8/Carbon Steel/Brass/Alloy Steel |
| Grade | A2-70 A2-80 A4-70 A4-80 A8; Class 4/5/6/8/10/12;Grade 2/5/8 |
| Standard | DIN;ISO;ASME;GB;BS;IFI;GOST....and customized |
| Surface | Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG |
| Package | Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton... |
| Sample | Available |
| EU CBAM | Available |
| Items | U Bolt/Hex Flange Bolt/ Hex bolt/Hammer Bolt/Socket Bolt/Carriage Bolt/Hanger Bolt/Wing Bolt/Eye bolt/Weld bolt/Clinch Bolt/ Thread Bar/Thread Rod |
| Material | Stainless Steel A2 A4 A8/Carbon Steel/Brass/Alloy Steel |
| Grade | A2-70 A2-80 A4-70 A4-80 A8; Class 4.6/4.8/5.6/6.8/8.8/10.9/12.9;Grade 2/5/8 |
| Standard | DIN;ISO;ASME;GB;BS;IFI;GOST....and customized |
| Surface | Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG |
| Package | Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton... |
| Sample | Available |
| EU CBAM | Available |
| Items | Chipboard Screw/ Wood Scew/ Roofing Screw/Decking Screw/ Facade Screw/Drywall Screw/Set Screw/Drilling Screw/ Euro Screw/ Window Screw/ Bimetal |
| Material | Stainless Steel C1 A2 A4 /Carbon Steel/Brass/Alloy Steel |
| Grade | A2-70 A2-80 A4-70 A4-80 |
| Standard | DIN;ISO;ASME;GB;BS;IFI;GOST....and customized |
| Surface | Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG |
| Package | Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton... |
| Sample | Available |
| EU CBAM | Available |

## Description

Square Plate Washer Flat Threaded Rectangular Lock DIN Zinc Finish Split Style for Steel Metal Zinc Metal Washer Lock Washer is part of our spring & split lock washers range (Washers).

### Key details

- **Type:** Flat Gasket
- **Standard:** DIN / ISO / Custom
- **Material:** Carbon Steel, Stainless Steel, Alloy Steel
- **Finish:** Zinc Plated / Hot-DIP Galvanized / Black Oxide / D
- **Application:** Steel Structure / Timber Construction / Bridge / H
- **Combination Washer Structure:** Square / Square with Round Hole
- **Combination Washer Packaging:** as Your Request
- **Spring Washer Type:** Standard

Available configurations include material, customized, finish, thread length and size range. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

### Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.036 – 0.084 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 Square Plate Washer Flat Threaded Rectangular Lock DIN Zinc Finish Split Style for Steel Metal Zinc Metal Washer Lock Washer?

The listed minimum order is 10,000 pieces, at US$0.036 – 0.084 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$0.084 for 10,000–49,999 pieces; US$0.06 for 50,000–99,999 pieces; US$0.036 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

### What are the main specifications of Square Plate Washer Flat Threaded Rectangular Lock DIN Zinc Finish Split Style for Steel Metal Zinc Metal Washer Lock Washer?

Type: Flat Gasket; Standard: DIN / ISO / Custom; Material: Carbon Steel, Stainless Steel, Alloy Steel; Finish: Zinc Plated / Hot-DIP Galvanized / Black Oxide / D; Application: Steel Structure / Timber Construction / Bridge / H; Combination Washer Structure: Square / Square with Round Hole. The full specification table and any technical parameter tables are listed on this page.

### Can this product be customized (OEM)?

Listed configurations include material, customized, finish, thread length and size range. 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 spring & split lock washers are available?

The Spring & Split Lock Washers category lists 1,593 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-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

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**US$0.036 – 0.084**MOQ 10,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Square%20Plate%20Washer%20Flat%20Threaded%20Rectangular%20Lock%20DIN%20Zinc%20Finish%20Split%20Style%20for%20Steel%20Metal%20Zinc%20Metal%20Washer%20Lock%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fsquare-plate-washer-flat-threaded-rectangular-lock-din-zinc-finish-split-style-for%2F)