Description
Monster Overview:
Upgrade plastic assemblies with M3.5-1.57 Torx®/6-Lobe Pan Head PT Alternative Thread-Forming Screws from Monster Bolts! Precision-machined from corrosion-proof A2 / 18-8 stainless steel, these fasteners use a 30° PT flank to displace plastic and form strong, re-tightenable internal threads— no chips, no pre-tapping, and no stripped bosses.
Monster Features
- Thread-Forming Design: PT profile · 1.57 mm pitch · 30° flank for secure, vibration-resistant joints.
- Corrosion Resistance: A2 stainless shrugs off moisture, mild chemicals, and outdoor exposure.
- Drive: Internal Torx® (6-lobe star) T15—high torque transfer with zero cam-out.
- Full Thread: Fully threaded shank grips plastic of any thickness.
- Quality: Precision-machined and backed by Monster Bolts’ industry-leading support.
Monster Specifications
| Feature | Details |
|---|---|
| Diameter / Pitch | M3.5 × 1.57 mm (PT Alternative) |
| Available Lengths | Fully threaded — select length above |
| Head / Drive | Pan Head / T15 Torx® (6-lobe) |
| Thread Form | 30° self-forming PT profile (EJOT-compatible) |
| Material | A2 / 18-8 Stainless Steel |
| Finish | Plain, passivated (RoHS) |
| System of Measurement | Metric |
| Standards / Reference | EJOT PT design guidelines (Ref.) |
More Monster Bolts
Need other stainless sizes? Browse our full line of Metric PT Alternative Screws. Available here.
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