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 3/8" ✔️ High-strength Grade 8 alloy

✔️ High-strength Grade 8 alloy steel for heavy-duty applications

Thread Size: 1

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✔️ Available in M3 to M20 metric coarse sizes

High-Strength 410 SS: Heat-treated martensitic stainless outperforms 18-8 in hardness

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 3/8" ✔️ High-strength Grade 8 alloyMonster 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