Bulk #8-16 × 3⁄8″ & ½″ Phillips Flat-Undercut Head 48-2 Thread-Forming Screws for Thermoplastics – Zinc-Plated Steel, Baked & Waxed Size_M18 these fine-thread SHCS deliver compact

these fine-thread SHCS deliver compact head geometry and dependable torque performance for machinery

These bolts are Made in the USA from high-strength alloy steel and deliver the mechanical performance required for structural assemblies

Feature Details Diameter / Thread #4-40 UNC Available Length 5/16″ – fully threaded Head / Drive 6-Lobe Flat – Torx® Drive Point Style Taptite-style trilobular thread-rolling Material Carbon Steel Finish Black Oxide & Wax (RoHS) System of Measurement US / Inch Standards Meets ASME B18

Precision Drive: M12 hex socket delivers consistent torque and reduced cam-out risk

Why Choose Our Grade 2 Square Nuts

Bulk #8-16 × 3⁄8″ & ½″ Phillips Flat-Undercut Head 48-2 Thread-Forming Screws for Thermoplastics – Zinc-Plated Steel, Baked & Waxed Size_M18 these fine-thread SHCS deliver compactMonster Overview: Countersink thin plastic panels with bulk #8 16 Phillips Flat Undercut Head 48 2 Thread Forming Screws from Monster Bolts. The undercut 82 head seats flush without over boring, while the tri lobular Plastite flank cold flows thermoplastics, forming high holding, chip free threadsno taps, no debris. Each screw is heat treated carbon steel, bright zinc electro plated then baked to remove hydrogen embrittlement, and factory wax coated