M3*40 Black Countersunk hex Sock et head cap screws Grade carban Steel black

Features

Size: M3 diameter × 40 mm length

Head Type: Round head for smooth appearance and wider contact surface

Drive Type: Internal hex socket (Allen key compatible)

Material: Durable carbon steel construction

Finish: Black coated surface for improved corrosion resistance

Strength Grade: Strong and reliable for general mechanical use

Thread Type: Metric standard thread for secure fastening

High Durability: Resistant to wear, stripping, and deformation

Easy Installation: Allows firm tightening with hex key

Applications: Suitable for automotive, machinery, electronics, furniture, 3D printers, and DIY projects

Package Includes:

M3*40 Grade Round Head Hex Socket head Cap Screws (pack of 10pcs)