Description
Monster Overview:
Fix your project right the first time with 4-40 Phillips Flat Undercut Thread Cutting Screws – Type F, 18-8 Stainless Steel from Monster Bolts. These precision-engineered micro fasteners are perfect for electronics, robotics, and miniature enclosures where both flush mounting and reliable thread engagement are essential. The undercut head style allows for full thread length, even in tight countersinks.
Crafted from corrosion-resistant 18-8 stainless steel (A2 / 304), these screws are built to handle tough environments including marine and outdoor use. Type F thread-cutting points make them ideal for threading into aluminum or mild steel, eliminating the need for tapping.
Monster Features:
- Material: 18-8 Stainless Steel – Superior corrosion and rust resistance.
- Thread Cutting: Type F point cuts threads into pre-drilled holes in thicker materials.
- Head Style: Flat Undercut – Designed for full threading in shallow countersinks.
- Drive: #1 Phillips – Installs easily with standard tools.
- Applications: Perfect for electronics, instrument panels, robotics, and aerospace-grade flush mount hardware.
Monster Specifications:
- Thread Size: 4-40 (UNC – Coarse)
- Length: Fully Threaded – Select your desired size from the dropdown above
- Head Style: Phillips Flat Head – Undercut Profile
- Drive Size: #1 Phillips
- Material: 18-8 Stainless Steel (A2 / 304)
- Finish: Plain (Uncoated Stainless)
- Cutting Type: Type F – Requires a pilot hole
- Standards: ASME B18.6.4 compliant
Note: These screws are not self-drilling. A properly sized pilot hole is required to allow the thread-cutting point to perform as designed.
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