M4 Socket Head Cap Screw is a high strength machine screw designed for mechanical assemblies, 3D printer frames, CNC machines, robotics projects, electronics enclosures, and industrial equipment. Made from Grade 12.9 alloy steel with black oxide finish, these hex socket screws provide excellent durability, tensile strength, and corrosion resistance for long-term reliable fastening.

The M4 hex socket screw features a standard metric coarse thread with 0.7mm pitch, making it compatible with most metric threaded components used in DIY projects, machinery assembly, electronics hardware, and industrial applications. The hex socket head allows secure tightening with a 3.08mm Allen key, delivering high torque fastening with minimal risk of slipping.

BDTronics supplies high-quality M4 socket head cap screws in Bangladesh, ideal for hobbyists, engineers, workshops, and industrial machine assemblies. Available lengths range from M4x5 to M4x35, ensuring the right size for different applications.

Features:

• High strength M4 socket head cap screws

• Standard metric coarse thread design

• Grade 12.9 alloy steel construction for durability

• Black oxide finish for corrosion resistance

• Hex socket head compatible with 3.08mm Allen key

• Precision threading for smooth installation

• Reliable fastening for mechanical and industrial assemblies

• Suitable for 3D printer frames, CNC machines, and robotics

• Strong clamping force for accurate and secure fastening

• Lightweight yet durable for long-term use

• Multiple length options for flexible assembly

BDTronics provides M4 hex socket screws for precision machinery, electronics projects, and industrial hardware in Bangladesh.

Applications:

• 3D printer assembly and frame mounting

• CNC machine construction and repair

• Laser engraver assembly

• Robotics and automation project assembly

• Electronics enclosure fastening

• Industrial machinery and mechanical equipment

• DIY engineering projects

• Computer hardware assembly

• Workshop and fabrication tasks

• Metal frame and structural mounting

M4 hex socket screws are widely used for precision fastening in mechanical systems and heavy-duty assemblies.

How To Use:

• Select the appropriate screw length for your assembly

• Align the screw with the threaded hole or nut

• Insert the screw through the mounting component

• Use a 3.08mm Allen key to tighten securely

• Apply steady torque without overtightening

• Ensure correct alignment to maintain structural stability

BDTronics offers M4 socket head cap screws for industrial, mechanical, and DIY applications in Bangladesh.

Available Sizes:

• M4 × 5 mm

• M4 × 10 mm

• M4 × 15 mm

• M4 × 20 mm

• M4 × 25 mm

• M4 × 30 mm

• M4 × 35 mm

Screw length is measured from the underside of the head.

Package Includes:

• 1 × M4 Socket Head Allen Bolt

Specifications:

• Screw Type: Socket Head Cap Screw

• Thread Size: M4

• Thread Pitch: 0.7 mm

• Thread Diameter: 4 mm

• Head Type: Hex Socket Head

• Allen Key Size: 3.08 mm

• Head Diameter: 7 mm

• Head Height: 4 mm

• Material: Grade 12.9 Alloy Steel

• Surface Finish: Black Oxide

• Length Options: M4×5, M4×10, M4×15, M4×20, M4×25, M4×30, M4×35

• Measurement Method: Length measured from underside of head

• Fastener Type: Machine Screw

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