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Washers › Fender, Large-OD & Square Washers

Carbon Steel Galvanized Stainless Steel Flat 2-1/4″ Square Washers with Round Hole

Updated 2026-11-04 · Markdown version

Model no. Stamping part

US$0.06 / piece

MOQ 5,000 pieces · Final price confirmed in your quote

Material: Steel
Size: Customized
Surface: Self Color
Finish: Galvanized,ASTM A153
Packing: Carton,

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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	Steel
Model NO.	Stamping part
Combination Washer Structure	A Type
Combination Washer Packaging	All Inclusive
Spring Washer Type	Heavy
Size	Customized
French Name	Rondelle
Surface	Self Color
Spanish Name	Golillas
Transport Package	Carton/Pallet
Specification	3mm-100mm
Origin	China
Production Capacity	50000pieces Per Year
Product Name	K1553 square washer
Finish	Galvanized,ASTM A153
ISO 9001	2015 Quality System Certified Company.
Packing	Carton,
Origion	China
Category	Fender, Large-OD & Square Washers

Technical parameters

Product Name:	K1553 square washer
Material:	Steel
Finish:	Galvanized,ASTM A153
Size	Customized
Tolerances	1/32"
Production Capacity	100000PCS/Day
Quality assurance:	ISO 9001: 2015 Quality System Certified Company.
Packing:	Carton, Polybag, Cartons Bulk/Pallet,ect.
Origion:	China

STOCK CODE	K1550	K1551	K1552	K1553	K1554	K1555	K1556	K1556-3/4	K1556-5/8	K1557	K1557-5/8	K1558	K1559	K1559-13/16
A	2"	2"	2"	2-1/4"	3"	3"	3-1/2"	3-1/2"	3-1/2"	4"	4"	4"	4"	4"
B	1"	1"	1"	1-1/8"	1-1/2"	1-12"	1-3/4"	1-3/4"	1-3/4"	2"	2"	2"	2"	2"
T	1/8"	1/8"	1/4"	3/16"	3/16"	1/4"	1/4"	1/4"	1/4"	3/8"	3/8"	1/2"	3/8"	3/8"
D	9/16"	11/16"	13/16"	13/16"	13/16"	13/16"	15/16"	13/16"	11/16"	13/16"	11/16"	15/16"	1-1/8"	13/16"
Bolt Diameter	1/2"	5/8"	3/4"	3/4"	3/4"	3/4"	7/8"	3/4"	5/8"	3/4"	5/8"	7/8"	1"	3/4"

Description

Carbon Steel Galvanized Stainless Steel Flat 2-1/4″ Square Washers with Round Hole is part of our fender, large-od & square washers range (Washers).

Key details

Type: Flat Gasket
Material: Steel
Size: Customized
Finish: Galvanized,ASTM A153
Combination Washer Structure: A Type
Combination Washer Packaging: All Inclusive
Spring Washer Type: Heavy
French Name: Rondelle

Available configurations include material, size, surface, finish and packing. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 5,000 pieces at US$0.06 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 Carbon Steel Galvanized Stainless Steel Flat 2-1/4″ Square Washers with Round Hole?

The listed minimum order is 5,000 pieces, at US$0.06 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 Carbon Steel Galvanized Stainless Steel Flat 2-1/4″ Square Washers with Round Hole?

Type: Flat Gasket; Material: Steel; Size: Customized; Finish: Galvanized,ASTM A153; 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, size, surface, finish and packing. 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

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US$0.06MOQ 5,000 piecesGet a quote WA