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

Nuts › Square Nuts

Special Square Nuts Threaded DIN557 / Uni5597 / Cns4067

Updated 2026-11-04 · Markdown version

Model no. DIN557 / 798

US$0.03620,000–99,999 pieces

US$0.012100,000+ pieces

MOQ 20,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Square
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Grade: 4.8
Surface treatment: Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.

Get a quote WhatsApp

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
Material	Carbon Steel
Type	Square Head
Model NO.	DIN557 / 798
Connection	Common Bolt
Head Style	Square
Standard	DIN, ANSI, GB, JIS, GOST, BSW
Grade	4.8
Transport Package	25kg Per Carton, 36 Cartons Per Pallet
Specification	DIN, ANSI/ASME, , BSW, JISB, ISO, GB
Origin	Jiaxing
HS Code	731816
Production Capacity	8000 Tons Per Year, 100ton/Month
Our company supply various kinds of hex nut, such as	A563 A194 DIN934 DIN6915 Heavy Hex Nuts
Product name	din 557/798 threaded square nuts
Surface treatment	Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.
Category	Square Nuts

Technical parameters

Product name:	din 557/798 threaded square nuts
Grade:	4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80
Standard:	ISO, GB, BS, DIN, ANSI,JIS, Non-standard
	1. Stainless steel: 201,303,304,316,410
	2. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
Available material:	3. Copper: H62,H65,H68
	4. Aluminum: 5056, 6061, 6062, 7075
	5. According to customer demand
Surface treatment:	Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.

Description

Special Square Nuts Threaded DIN557 / Uni5597 / Cns4067 is part of our square nuts range (Nuts).

Key details

Type: Square Head
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Material: Carbon Steel
Grade: 4.8
Head Style: Square
Connection: Common Bolt
Our company supply various kinds of hex nut, such as: A563 A194 DIN934 DIN6915 Heavy Hex Nuts
Product name: din 557/798 threaded square nuts

Available configurations include material, head style, standard, grade and surface treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 20,000 pieces at US$0.012 – 0.036 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 Special Square Nuts Threaded DIN557 / Uni5597 / Cns4067?

The listed minimum order is 20,000 pieces, at US$0.012 – 0.036 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$0.036 for 20,000–99,999 pieces; US$0.012 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 Special Square Nuts Threaded DIN557 / Uni5597 / Cns4067?

Type: Square Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: 4.8; Head Style: Square; Connection: Common Bolt. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and surface treatment. 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 square nuts are available?

The Square Nuts category lists 483 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/nuts/square-nuts/

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$0.012 – 0.036MOQ 20,000 piecesGet a quote WA