M3 Socket Head Cap Screw

Description

M3 Socket Head Cap Screw – Carbon Steel Black Oxide 6-45mm for CNC, 3D Printer & Machinery

Fasten components securely with this M3 Socket Head Cap Screw. Made from carbon steel with a black oxide finish, this socket head cap screw provides high torque and a clean, low-profile finish for CNC machines, 3D printers, and machinery assemblies. Whether you’re building a new machine or making repairs, these screws give you reliable fastening.

The Socket Head Cap Screw features a hex socket drive that works with standard Allen keys. The black oxide coating resists corrosion and provides a professional look. Available in lengths from 6mm to 45mm, this screw covers a wide range of fastening needs. The cylindrical head sits flush or below the surface, making it ideal for tight spaces and precision assemblies. The M3 thread is commonly used in 3D printers, CNC machines, and electronics, so this screw fits many standard components.

Ideal for CNC frames, 3D printer builds, and general engineering, this Socket Head Cap Screw delivers reliable fastening. The carbon steel construction provides good strength, while the black oxide finish helps prevent rust in indoor environments. Whether you’re assembling a new machine or making repairs, these screws hold tight. The hex socket drive allows high torque without stripping, and the precision threads ensure smooth installation. It’s a practical choice for anyone working with M3 hardware in CNC, 3D printing, or DIY projects.

Key specs:

• Type: M3 Socket Head Cap Screw

• Thread: M3

• Material: Carbon Steel

• Finish: Black Oxide

• Lengths: 6-45mm options

• Drive: Hex Socket (Allen)

• Application: CNC, 3D Printer, Machinery

• Feature: High torque, corrosion-resistant

Whether you’re building a new machine or making repairs, this Socket Head Cap Screw gives you reliable, high-torque fastening for your projects.