Bulk #4-20 × 3⁄8″ & ½″ Phillips Flat Head 48-2 Thread-Forming Screws for Thermoplastics – 410 Hardened Stainless, Passivated & Wax-Lubed Length:4000 Qty - #4-20 x 1/2" RoHS Compliant: Zinc CR+3 plating

RoHS Compliant: Zinc CR+3 plating meets environmental and safety standards

Photos showing tremolo for screw examples

Use a square/Robertson drive bit for stable engagement and minimal slipping

✔️ Square drive prevents cam-out for easier installation

Bulk #4-20 × 3⁄8″ & ½″ Phillips Flat Head 48-2 Thread-Forming Screws for Thermoplastics – 410 Hardened Stainless, Passivated & Wax-Lubed Length:4000 Qty - #4-20 x 1/2" RoHS Compliant: Zinc CR+3 platingMonster Overview: Strengthen miniature thermoplastic housings with #4 20 Phillips Flat Head 48 2 Thread Forming Screws in tough 410 martensitic stainless steel. The Plastite alternative tri lobular flank cold flows plastic, creating chip free internal threadsno tapping, no debris. Each screw is through hardened ( Rc 40 45), passivated to ASTM A967, and factory wax lubed for repeatably low seating torque. Monster Features: Flush 82 Flat Head: Seats