M2-0.4 x 7mm Flat Head Socket Cap Screws

Name: M2-0.4 x 7mm Flat Head Socket Cap Screws, 10.9 Grade Alloy Steel,DIN 7991,Allen Socket Drive, Black Oxide Finish, Machine Thread, Countersunk
Brand: Generic
SKU: B0CG1PL888

Bottom line: The M2-0.4 x 7mm Flat Head Socket Cap Screws: DIN 7991 countersunk head sits flush, 4mm head diameter with no protrusion; main trade-off: hex key not included; the pack ships as 100 screws only.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ DIN 7991 countersunk head sits flush, 4mm head diameter with no protrusion
✓ Grade 10.9 alloy steel spec, listed for high hardness and wear resistance
✓ 100 screws per pack covers repeat M2 builds without reordering
✓ Full metric spec published: 2mm thread, 0.4mm pitch, 7mm length, 4mm head

Cons

✗ Hex key not included; the pack ships as 100 screws only
✗ Single size only, M2x7mm, with no length assortment in the box
✗ Sold under the Generic brand with no named maker or stated warranty
✗ Flat head needs a countersunk hole to seat flush, not a flat bore

Manufacturer description

SIZE:M2x7mmPRODUCT SPECIFICATIONFlat Head Socket Cap Screws are commonly used in machine parts, die fixturing, and clamping.The flat socket head enables driving where there is not sufficient space for wrenches or sockets, and allows the screw head to sit flush with the surface.Specification : DIN 7991Thread Diameter : 2mmThread Pitch: 0.4mmHead Diameter : 4mmScrew Length : 7mmMaterial : Alloy Steel Class 10.9Finish : Black OxidePACKAGE INCLUDED100 x Head Socket Cap ScrewsCUSTOMER SERVICEIf you have any questions when using, please feel free to contact us by Amazon message.

SpecPicks Verdict

SpecPicks scored M2-0.4 x 7mm Flat Head Socket Cap Screws using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. Generic's retro motherboards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Metric M2 screws,Thread Diameter: 2mm; Screw Length: 7mm; Pitch Size: 0.4mm.
Package Included: 100 x socket head screws
Made Of 10.9 Grade Alloy Steel, Sturdy And Durable, corrosion resistance property, features good wear resistance, high hardness and high strength, can be used in extreme environments.
Perfect For Interior Renovation, Mechanical Installation Communication Equipments and Ship Assembly
100% customer satisfaction, if you are not satisfied with the product, you can always send us an email to us, provide you with satisfactory service in the first time, please rest assured to buy.

Full Specifications

Brand	Generic
Color	Black
Material	Alloy Steel
Set Name	M2-0.4 x 7mm Flat Head Socket Cap Screws (100 Piece)
Head Type	Flat
Size Name	M2-0.4 x 7mm（100 PCS）
Head Style	Flat
Metal Type	Alloy Steel
Unit Count	1 Count
Part Number	AC014
Thread Size	M2
Thread Type	Metric
Drive System	Internal Hex
Finish Types	Black Oxide
Thread Style	Right Hand
Fastener Size	M2
Fastener Type	Machine Screw
Item Diameter	2 millimeters
Material Type	Alloy Steel
Exterior Finish	Black Oxide
Full listing title	M2-0.4 x 7mm Flat Head Socket Cap Screws, 10.9 Grade Alloy Steel,DIN 7991,Allen Socket Drive, Black Oxide Finish, Machine Thread, Countersunk Bolts,Fully Thread Quantity 100

Ready to buy?

M2-0.4 x 7mm Flat Head Socket Cap Screws, 10.9 Grade Alloy Steel,DIN 7991,Allen Socket Drive, Black Oxide Finish, Machine Thread, Countersunk Bolts,Fully Thread Quantity 100 is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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