Standard M2 metric button head socket cap bolts:Exterior Finish: Black Oxide;Drive Type: Hexagon Socket(1.5mm);Head Style:button head;Thread Size:M2;Grade Rating:Grade 10.9 alloy steel;Thread Dia.: 2mm; Pitch: 0.4mm.Head Diameter: 3.5 mm,NOTE: ALL SCREWS ARE COATED WITH ANTI-RUST OIL! High Quality Material:Our button head screws are available in a variety of sizes and finishes to suit your specific needs,Made from durable and corrosion-resistant materials 10.9 Grade alloy steel with corrosion resistant black oxide finish to provide a reliable and long-lasting solution for your fastening needs Package Included:660Pcs black hex socket button head cap screws nuts and washers and 2pcs black allen key,the size are: M2x4mm,M2x6mm,M2x8mm,M2x10mm,M2x12mm,M2x16mm,M2x20mm,each style 30pcs;150Pcs M2 nuts,150Pcs M2 flat washer 150Pcs M2 spring lock washers Easy to use:All our hex bolts and nuts and washer are packed in a sturdy easy-use plastic storage box to install and use, make your job more convenient and easy,also enough quantity and style can meet your different needs, These screws are engineered with precise, uniform threads that ensure smooth and easy installation Widely Application:This black button hex head cap screws set is perfect for a wide range of industrial and DIY projects.Suitable for household, office equipment industry, the electronics industry, the communications industry, machinery, etc. Ideal for a wide range of applications, including machinery, automotive, furniture assembly, and DIY projects. SPECIFICATION:
Main color:Black
Drive type: Hexagon socket
Exterior finish: Black oxide
Head style:button head
Thread size:M2
Grade rating:Class 10.9
Material:10.9 Grade alloy steel

Package include:660pcs (+/-2%) black M2 button head hex socket cap machine screws+2pcs black allen key.

PACKING LIST:
M2 x 4mm screws means: Metric screws, Thread diameter size 2 mm, Thread length 4mm
M2 x 4mm ------30pcs
M2 x 6mm ------30pcs
M2 x 8mm ------30pcs
M2 x 10mm ------30pcs
M2 x 12mm ------30pcs
M2 x 16mm ------30pcs
M2 x 20mm ------30pcs
M2 black nuts------150pcs
M2 black flat washers------150pcs
M2 black spring lock washers------150pcs
Allen key ------ 2pcs

Why Choose Our Button Head Socket Cap Screws?
Durability:Constructed from premium materials to with stand tough conditions
Ease of Use:Precision threads and secure grip for easy and reliable installation
Larger quantity and well packaged:Comes with a solid transparent storage box marked with a clear label,enough sizes for you to choose.

Widely Application:Hex button head screws are suitable for a wide range of applications, including machinery, electronics, furniture assembly, and repair projects. They are ideal for both professional engineers and DIY enthusiasts, providing reliability in various scenarios.
Suitable for household, office equipment industry, the electronics industry, the communications industry, machinery, etc.

Note:
1.some of the style screws size is very small, please read the detail sizes carefully before buying!
2.The surface of the product is oxidized and blackened, for better anti-rust performance.
3.Small parts, keep away from children under 6 years old