Bulk M2.5 Flat (Countersunk) Socket Cap Screws – 12.9 Alloy Steel, Black Oxide Size_ M18 Specification Detail Diameter / Thread

Specification Detail Diameter / Thread Size #5-40 (UNC – Unified Coarse Thread) Drive Size 5/64" Hex Key (Allen Wrench) Material Alloy Steel per ASTM A574 (≈ Class 12

versatile fastening performance

We start with premium springs

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Bulk M2.5 Flat (Countersunk) Socket Cap Screws – 12.9 Alloy Steel, Black Oxide Size_ M18 Specification Detail Diameter / ThreadMonster Overview: Equip your precision projects with M2. 5 Flat (Countersunk) Socket Cap Screws from Monster Bolts. Crafted from Class 12. 9 black alloy steel and treated with a thermal black oxide finish, these screws provide exceptional strength and a sleek, low glare appearance. The 90 countersunk head sits flush with the surface, making them ideal for electronics, robotics, and compact assemblies where every millimeter matters. Quality & Supply: