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Nuts › T-Nuts, Slot Nuts & Channel Spring Nuts

Carbon Steel Galvanized Custom Square & Rectangular Flat Threaded Nut

Updated 2026-11-04 · Markdown version

Model no. HysLMW028

US$0.012 – 0.12 / piece

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

Material: Carbon Steel
Head Style: Square / Rectangular (Flat Block)
Standard: DIN, ANSI, GB, JIS, GOST, BSW, ISO
Grade: Grade 4.8 / 8.8 (or Custom Grade)
Customized: Yes
Material Grade: Carbon Steel Q235 / 1018 / 1045 (or Custom Grade)
Surface Treatment: Zinc Plated / Hot-DIP Galvanized
Tolerance Grade: ISO Standard,6h Thread,±0.02mm Dimension Tolerance

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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
Material	Carbon Steel
Type	(Square/Rectangular Flat Nut
Model NO.	HysLMW028
Connection	Threaded Connection
Head Style	Square / Rectangular (Flat Block)
Standard	DIN, ANSI, GB, JIS, GOST, BSW, ISO
Grade	Grade 4.8 / 8.8 (or Custom Grade)
Customized	Yes
Drawing	Yes
Application	Construction,Extrusion Profile Assembly
Process	CNC Machining,Precision Milling,Thread Tapping
Product Type	Square / Rectangular Flat Threaded Nut
Service	We Support OEM and ODM
Material Grade	Carbon Steel Q235 / 1018 / 1045 (or Custom Grade)
Surface Treatment	Zinc Plated / Hot-DIP Galvanized
Key Features	Anti-Rust Galvanized Finish, High Precision Thread
Tolerance Grade	ISO Standard,6h Thread,±0.02mm Dimension Tolerance
Quality Control	100% Thread Inspection, Dimensional Testing
Transport Package	Polybag+Export Strong Carton
Specification	Custom Sizes
Origin	China
HS Code	7318160000
Production Capacity	100ton/Month
Package Size	30.00cm * 20.00cm * 20.00cm
Package Gross Weight	0.500kg
Non-standard parts	15-25days
Category	T-Nuts, Slot Nuts & Channel Spring Nuts

Technical parameters

Item	Details
Product Name	Carbon Steel Galvanized Square & Rectangular Flat Threaded Nut
Material	Carbon Steel (Q235 / 1018 / 1045, Grade 4.8 / 8.8 or Custom)
Surface Treatment	Zinc Plated / Hot-Dip Galvanized / Plain Finish
Thread Standard	ISO Standard 6H Thread, compatible with DIN / ANSI / GB / JIS / GOST / BSW
Tolerance	±0.02mm dimension tolerance, high-precision machining
Customization	OEM / ODM available (custom size, shape, thread, finish, logo)
Drawing Support	Custom drawing service available
Size Range	Custom sizes (e.g., 10×10×3mm, 20×10×4mm, M3-M12 thread)
Application	Construction, machinery, furniture, extrusion profile assembly, automotive, 3D printer
Production Process	CNC machining, precision milling, thread tapping, galvanizing, quality inspection
Key Features	Anti-rust galvanized finish, flat low-profile design, firm thread locking, durable and cost-effective
Quality Control	100% thread inspection, dimensional check, salt spray test available
Packaging	Polybag + export strong carton, or pallet packing as per request
MOQ	Small MOQ acceptable, bulk order supported
Delivery Time	7-15 working days for standard orders
Service	Custom design, technical support, fast response
Place of Origin	China

Description

Carbon Steel Galvanized Custom Square & Rectangular Flat Threaded Nut is part of our t-nuts, slot nuts & channel spring nuts range (Nuts).

Key details

Type: (Square/Rectangular Flat Nut
Standard: DIN, ANSI, GB, JIS, GOST, BSW, ISO
Material: Carbon Steel
Grade: Grade 4.8 / 8.8 (or Custom Grade)
Head Style: Square / Rectangular (Flat Block)
Surface Treatment: Zinc Plated / Hot-DIP Galvanized
Connection: Threaded Connection
Application: Construction,Extrusion Profile Assembly

Available configurations include material, head style, standard, grade and customized. 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$0.012 – 0.12 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 Custom Square & Rectangular Flat Threaded Nut?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.12 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 Custom Square & Rectangular Flat Threaded Nut?

Type: (Square/Rectangular Flat Nut; Standard: DIN, ANSI, GB, JIS, GOST, BSW, ISO; Material: Carbon Steel; Grade: Grade 4.8 / 8.8 (or Custom Grade); Head Style: Square / Rectangular (Flat Block); Surface Treatment: Zinc Plated / Hot-DIP Galvanized. 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 customized. 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 t-nuts, slot nuts & channel spring nuts are available?

The T-Nuts, Slot Nuts & Channel Spring Nuts category lists 1,888 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-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 →

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US$0.012 – 0.12MOQ 10,000 piecesGet a quote WA