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Screws › Countersunk & Flat-Head Machine Screws

Flange Nuts Square Nuts Thin Nuts Nylon Insert Lock Nuts Cap Nuts Wing Nuts Channel Nuts Coupling Nuts Weld Nuts

Updated 2026-11-04 · Markdown version

Model no. m3-m20

US$0.48 – 0.72 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Material: Stainless Steel
Standard: DIN, GB, ANSI, BSW, JIS
Head Style: Round
Grade: 12.9
C. Raw material warehouse: Our screws are made with first quality materials,all our suppliers carry out strict quality controls on the materials in order to get the best quality performance as required by our internal procedures.

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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	Stainless Steel
Standard	DIN, GB, ANSI, BSW, JIS
Model NO.	m3-m20
Type	Countersunk Head
Groove	Special Shape
Connection	Common Bolt
Head Style	Round
Grade	12.9
Transport Package	Paper Box
Specification	M4-M10
Origin	Dongguan
HS Code	7415339000
Production Capacity	1000000PCE
C. Raw material warehouse	Our screws are made with first quality materials,all our suppliers carry out strict quality controls on the materials in order to get the best quality performance as required by our internal procedures.
ISO9001	2008
please don't hesitate to contact with me as below	Helen
Category	Countersunk & Flat-Head Machine Screws

Description

Flange Nuts Square Nuts Thin Nuts Nylon Insert Lock Nuts Cap Nuts Wing Nuts Channel Nuts Coupling Nuts Weld Nuts is part of our countersunk & flat-head machine screws range (Screws).

Key details

Type: Countersunk Head
Standard: DIN, GB, ANSI, BSW, JIS
Material: Stainless Steel
Grade: 12.9
Head Style: Round
Groove: Special Shape
Connection: Common Bolt
ISO9001: 2008

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.48 – 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 Flange Nuts Square Nuts Thin Nuts Nylon Insert Lock Nuts Cap Nuts Wing Nuts Channel Nuts Coupling Nuts Weld Nuts?

The listed minimum order is 1,000 pieces, at US$0.48 – 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.

What are the main specifications of Flange Nuts Square Nuts Thin Nuts Nylon Insert Lock Nuts Cap Nuts Wing Nuts Channel Nuts Coupling Nuts Weld Nuts?

Type: Countersunk Head; Standard: DIN, GB, ANSI, BSW, JIS; Material: Stainless Steel; Grade: 12.9; Head Style: Round; Groove: Special Shape. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, standard, head style, grade and c. raw material warehouse. 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$0.48 – 0.72MOQ 1,000 piecesGet a quote WA