NAS1801 Mil-Spec Phillips (Cruciform-Recess) Indented Hex Machine Screws

Full Fine & Coarse Threads | Steel Cad Yellow II | DFAR

Looking for NAS1801 Mil-Spec machine screws in hardened alloy steel cadmium yellow II?

You're in the right place. MF Supply offers NAS1801 Mil-Spec machine screws with Phillips (Cruciform-Recess), indented hex head, and full fine or full coarse threads, sourced for aerospace, defense, and other high-performance industrial applications. Made from hardened alloy steel, these machine screws feature a cadmium Type II finish and are available in inch sizes from 4-40 to 10-32.

What We Offer:

• Product: NAS1801 Mil-Spec phillips indented hex machine screws
• Head: Indented Hex
• Drive: Phillips (Cruciform-Recess)
• Thread Style: Full fine thread, Full coarse thread
• Thread Fit: Unified Standard Class 3A
• Hardness: Rockwell C34
• DFARS compliant

Sizes and Materials Offered:

• Inch Size: 4-40 to 10-32
• Material: Hardened alloy steel
• Finish: Cadmium, Type II

Why Choose NAS1801 Mil-Spec Machine Screws?

NAS1801 Mil-Spec machine screws are designed for applications that require dependable strength, consistent fit, and compliance with recognized aerospace fastener standards. With an indented hex head and Phillips (Cruciform-Recess) drive, they offer installation flexibility in assembly, maintenance, and repair environments where access, torque control, or tool preference may vary. The full fine and coarse thread designs help provide strong engagement across the grip length. Made from alloy steel and finished with cadmium Type II plating, these screws are well suited for aerospace, defense, and precision manufacturing applications.

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