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Black Oxide Carbon Steel Flat Hex Socket Head Machine Screws, Thin Flat Head

Updated 2026-11-04 · Markdown version

Model no. M3/M4/M5/M6/M8/M10

US$0.012 – 2.40 / piece

MOQ 100 pieces · Final price confirmed in your quote

Material: Carbon Steel
Standard: DIN, GB, JIS
Grade: a
Package Size: 10.00cm * 10.00cm * 10.00cm

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	Flat Head
Model NO.	M3/M4/M5/M6/M8/M10
Standard	DIN, GB, JIS
Grade	a
Transport Package	Cartons&Pallets or According to Customer's Require
Specification	M3/M4/M5/M6/M8/M10
Origin	Guangdong
Package Size	10.00cm * 10.00cm * 10.00cm
Package Gross Weight	2.000kg
Important Notice	Shipping cost auto-calculated by the system is for reference only. Please kindly contact us to confirm exact freight and specifications prior to payment. Orders placed without prior communication shall not be honored.
Category	Socket Head Cap & Allen Screws

Technical parameters

Material	Main Features	Typical Applications
304 Stainless Steel	Anti-corrosion, rust-proof	Electronic equipment, household appliances, general machinery
316 Stainless Steel	High corrosion resistance	Marine equipment, chemical industry, outdoor facilities
Carbon Steel	High strength, cost-effective	Construction, heavy machinery, automotive industry
Brass	Conductive, anti-rust, decorative	Electrical components, plumbing, decorative hardware
Aluminum	Lightweight, anti-corrosion	Aviation, new energy vehicles, lightweight equipment

Description

Black Oxide Carbon Steel Flat Hex Socket Head Machine Screws, Thin Flat Head is part of our socket head cap & allen screws range (Screws).

Key details

Type: Flat Head
Standard: DIN, GB, JIS
Material: Carbon Steel
Grade: a

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.012 – 2.40 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 Black Oxide Carbon Steel Flat Hex Socket Head Machine Screws, Thin Flat Head?

The listed minimum order is 100 pieces, at US$0.012 – 2.40 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 Black Oxide Carbon Steel Flat Hex Socket Head Machine Screws, Thin Flat Head?

Type: Flat Head; Standard: DIN, GB, JIS; Material: Carbon Steel; Grade: a. 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, grade and package size. 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 socket head cap & allen screws are available?

The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-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$0.012 – 2.40MOQ 100 piecesGet a quote WA