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Countersunk Flat Head Hex Socket Machine Screws with SS304 316

Updated 2026-11-04 · Markdown version

US$0.012 – 1.20 / piece

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

Head Style: Counter Sunk Bolt
Standard: DIN
Grade: 10.9
Material: Stainless Steel
Size: M4
Thread type: machine thread
Finish: Polishing Sandblasting blackening

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

Groove	Hexagon
Connection	Common Bolt
Head Style	Counter Sunk Bolt
Standard	DIN
Grade	10.9
Transport Package	Standard Packaging
Specification	M2.5-M30
Origin	Shanghai China
Production Capacity	1000000PCS/Week
Customization	Available
Material	Stainless Steel
Type	Countersunk Head
Size	M4
Thread type	machine thread
Finish	Polishing Sandblasting blackening
Marked	KS or by your needs
Strong Packaging	Carton box +pallet packaging to protect your goods in process of shipping.
Category	Socket Head Cap & Allen Screws

Description

Countersunk Flat Head Hex Socket Machine Screws with SS304 316 is part of our socket head cap & allen screws range (Screws).

Key details

Type: Countersunk Head
Standard: DIN
Material: Stainless Steel
Grade: 10.9
Size: M4
Head Style: Counter Sunk Bolt
Groove: Hexagon
Finish: Polishing Sandblasting blackening

Available configurations include head style, standard, grade, material and size. 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$0.012 – 1.20 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 Countersunk Flat Head Hex Socket Machine Screws with SS304 316?

The listed minimum order is 50,000 pieces, at US$0.012 – 1.20 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 Countersunk Flat Head Hex Socket Machine Screws with SS304 316?

Type: Countersunk Head; Standard: DIN; Material: Stainless Steel; Grade: 10.9; Size: M4; Head Style: Counter Sunk Bolt. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include head style, standard, grade, material and 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 – 1.20MOQ 50,000 piecesGet a quote WA