Bulk #4-20 6-Lobe (Torx) Flat Head 48-2 Thread-Forming Screws for Thermoplastics – Black-Oxide 18-8 Stainless, Passivated & Wax-Lubed FR7SMSBP The fine thread (UNF) design

The fine thread (UNF) design provides a tighter fit and improved clamp load

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Available in a comprehensive range of sizes from 1"-20 to 1-1/2"-6

Bulk #4-20 6-Lobe (Torx) Flat Head 48-2 Thread-Forming Screws for Thermoplastics – Black-Oxide 18-8 Stainless, Passivated & Wax-Lubed FR7SMSBP The fine thread (UNF) designMonster Overview: Designed for thermoplastic housings and panels, these #4 20 6 Lobe (Torx) Flat Head 48 2 Thread Forming Screws employ a Plastite alternative tri lobular flank that cold flows plastic, carving chip free internal threadsno taps, no cleanup. Machined from corrosion proof 18 8 (304) stainless steel, each screw is passivated to ASTM A967, given a low glare black oxide conversion finish, then factory wax lubed for consistently low seating