The socket head cap screws are 12.9 Grade Alloy Steel which is becoming hardness and more stronger after heat treatment and with good feature of anti-oxidation, high temperature resistance, anti-corrosion.
Socket cap screws are commonly used in machine parts, die fixturing, and clamping. The socket head enables driving where there is not sufficient space for wrenches or sockets.
Socket cap screws are high-hardness that is widely used in home, industrial, laptops,3D printer and 3D printed projects.
Description
Size Name:M3-0.5 x 30mm
Thread Diameter: 3 mm
Head Diameter: 5.5 mm/0.21inch
Head Height: 3 mm/0.12inch
Screw Length: 30 mm/1.18inch
Grade：12.9
Surface treatment: black oxidation
High Quality Material Alloy Steel
Package Included
30 x Socket Head Cap Bolts/Screws
Quality assurance, please rest assured to buy, if there is any problem, you can return or exchange
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