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Washers › Fender, Large-OD & Square Washers

Galvanized Plate Fastener Square Plate Washers

Q: What is the minimum order quantity (MOQ) for Galvanized Plate Fastener Square Plate Washers?

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.

Q: 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.

Q: What are the main specifications of Galvanized Plate Fastener Square Plate Washers?

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.

Q: 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.

Q: 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.

Q: Which other fender, large-od & square washers are available?

The Fender, Large-OD & Square Washers category lists 720 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/washers/fender-large-od-square-washers/

Updated 2026-11-04 · Markdown version

US$0.08410,000–49,999 pieces

US$0.0650,000–99,999 pieces

US$0.036100,000+ 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)

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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	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 <0.1% (peers	10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely).
Category	Fender, Large-OD & Square 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

Galvanized Plate Fastener Square Plate Washers is part of our fender, large-od & square 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 Galvanized Plate Fastener Square Plate Washers?

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 Galvanized Plate Fastener Square Plate Washers?

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 fender, large-od & square washers are available?

The Fender, Large-OD & Square Washers category lists 720 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/washers/fender-large-od-square-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

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.036 – 0.084MOQ 10,000 piecesGet a quote WA