Description
Monster Overview:
Fix your project right the first time with M5-2.24 Round-Washer-Head 6-Lobe PT Alternative Thread-Rolling Screws from Monster Bolts. Designed for high-strength fastening in thermoplastics, their trilobular profile cold-flows material to create chip-free, vibration-resistant threads. A bright CR+3 zinc + bake finish delivers RoHS-compliant corrosion protection, while the integrated washer head spreads load to prevent pull-through.
Monster Features
- Round-Washer Head: Built-in flange maximizes bearing surface on soft plastics.
- 6-Lobe Drive: Star / Torx® / hexalobular recess (T25) increases torque and reduces bit wear.
- PT Trilobular Thread: 2.24 mm pitch forms strong internal threads with low drive torque.
- Zinc & Bake Finish: Clear CR+3 zinc with post-plate bake relieves hydrogen, meets RoHS.
- Full Thread: Fully threaded shank grips plastics of any thickness.
- Production-Grade: Case-hardened carbon steel manufactured under ISO 9001 controls.
Monster Specifications
| Feature | Details |
|---|---|
| Diameter / Pitch | M5 × 2.24 mm (PT trilobular) |
| Available Lengths | 8 mm – 40 mm (fully threaded) |
| Head / Drive | Round-Washer Head / T25 6-Lobe |
| Thread Form | PT Alternative, trilobular thread-rolling |
| Material | Case-hardened carbon steel |
| Finish | CR+3 zinc, baked (RoHS) |
| System of Measurement | Metric |
| Standards / Reference | Plastite® / PT design guidelines (Ref.) |
More Monster Bolts
Looking for different sizes or head styles? Check out our complete Metric PT-Style Screw collection .
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