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Screws › Countersunk & Flat-Head Machine Screws

Large Countersunk Head Hex Nut

Updated 2026-11-04 · Markdown version

Model no. 442

US$0.7250,000–99,999 pieces

US$0.36100,000–299,999 pieces

US$0.12300,000–599,999 pieces

US$0.072600,000–999,999 pieces

US$0.0241,000,000+ pieces

MOQ 50,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Custom
Standard: DIN
Grade: DIN
Color: Custom
Size: Custom
Surface Treatment: Custom
Package Size: 30.00cm * 30.00cm * 30.00cm

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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

Material	Carbon Steel
Type	Custom
Connection	Common Bolt
Model NO.	442
Head Style	Custom
Standard	DIN
Grade	DIN
Sample	7 Days
Color	Custom
Size	Custom
Surface Treatment	Custom
Transport Package	Tray+Carton
Specification	custom
Origin	China
Production Capacity	500000000
Package Size	30.00cm * 30.00cm * 30.00cm
Package Gross Weight	1.000kg
Accepted Delivery Terms	FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency	USD,CNY;
Accepted Payment Type	T/T;
Language Spoken	English,Chinese
Category	Countersunk & Flat-Head Machine Screws

Technical parameters

FAQ

Description

Large Countersunk Head Hex Nut is part of our countersunk & flat-head machine screws range (Screws).

Key details

Type: Custom
Standard: DIN
Material: Carbon Steel
Grade: DIN
Size: Custom
Head Style: Custom
Surface Treatment: Custom
Connection: Common Bolt

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 50,000 pieces at US$0.024 – 0.72 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 Large Countersunk Head Hex Nut?

The listed minimum order is 50,000 pieces, at US$0.024 – 0.72 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$0.72 for 50,000–99,999 pieces; US$0.36 for 100,000–299,999 pieces; US$0.12 for 300,000–599,999 pieces; US$0.072 for 600,000–999,999 pieces; US$0.024 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Large Countersunk Head Hex Nut?

Type: Custom; Standard: DIN; Material: Carbon Steel; Grade: DIN; Size: Custom; Head Style: Custom. 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 color. 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 countersunk & flat-head machine screws are available?

The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/

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$0.024 – 0.72MOQ 50,000 piecesGet a quote WA