Description
Monster Overview:
Need **high-strength, flush-seating fasteners** for steel deck plates, trailer floors, sign panels or dense hardwood facings? Reach for 1/4″-20 Phillips Flat-Head Thread-Cutting Screws in **410 hardened stainless steel**—heat-treatable to Rockwell C40+, magnetic for pick-and-place automation, and corrosion-resistant after passivation. A factory dry-wax film keeps drive torque low, while the Type F fluted point taps clean female threads in a pre-drilled or punched hole; chips clear through the flute—no nut required.
Monster Features:
- Flush Seating: 82 ° flat countersunk head leaves surfaces smooth & snag-free.
- Classic Drive: Phillips #3 recess—universally supported job-site drive.
- Type F Cutting Point: UNC thread with fluted slot—forms threads in 0.050–0.200″ steel plate or dense hardwood; chips exit cleanly.
- Material Advantage: 410 SS offers carbon-steel strength with stainless corrosion resistance; magnetic & heat-treatable.
- Finish: Passivated + factory dry-wax (silicone-free) for repeatable clamp load.
- Bulk Packaging: Sealed master cartons—ideal for OEM fabrication, dock builders & trailer shops.
Monster Specifications:
- Diameter / Thread: 1/4″-20 UNC — Type F cutting point (fully threaded)
- Head Style: 82 ° flat countersunk, Phillips drive
- Drive Size: Phillips #3
- Material: 410 hardened stainless steel — passivated
- Hardness: ≥ HRC 40 (after heat-treat)
- Finish / Lube: Factory dry-wax
- Cross-Reference: SAE J476 Type F / IFI 136
More Monster Bolts:
• Browse the full
Type F thread-cutting lineup
• Need thread-formers? Check our
PT / Plastite collection
Order Yours Today & Feel the Monster Bolts Difference!
Every bulk carton ships fast from our U.S. warehouse and is backed by Monster Bolts’ quality guarantee and responsive support.