Description

Monster Overview:
Drive production efficiency with bulk #4-20 Phillips Pan Head PT 48-2 Thread-Forming Screws from Monster Bolts. The tri-lobular Plastite® profile plastically flows thermoplastic material to create tough, chip-free internal threads—no taps, no cleanup. Each heat-treated carbon-steel screw is black-zinc electro-plated and baked to relieve hydrogen embrittlement, then factory wax-coated for consistently low seating torque. Fully threaded screws are stocked in a range of lengths and packed in master cartons for unbeatable per-unit cost.
Monster Features:
- Thread-Forming Geometry: PT 48-2 flank maximises pull-out resistance while minimising strip-out in ABS, nylon, polycarbonate and more.
- Drive: Phillips #1 cross recess—universally compatible with manual, pneumatic and automated drivers.
- Head Style: Low-profile pan head provides broad bearing surface without countersinking.
- Material & Finish: Heat-treated carbon steel, black-zinc plated, baked, then dry-waxed for smooth installation.
- Bulk Packaging: Supplied in sealed master cartons—ideal for high-volume production and storeroom stocking.
Monster Specifications:
- Diameter: #4 (0.112 in.)
- Thread: PT 48-2 tri-lobular (functional ≈ 20 TPI)
- Lengths: Fully threaded — multiple lengths available (select above)
- Head Style: Pan
- Drive Style: Phillips #1
- Material: Carbon Steel
- Finish: Black-Zinc – baked + factory wax
- Cross-Reference: Plastite® 48-2 / EJOT PT (non-OEM)
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• Need bulk Taptite-style thread-rolling screws?
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Explore our full inch-series lineup.
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Buy with confidence—every bulk carton ships fast from our U.S. warehouse and is backed by Monster Bolts’ quality guarantee and responsive support.