Bulk #4-20 Phillips Flat-Undercut Head 48-2 Thread-Forming Screws for Thermoplastics – Zinc-Plated Steel, Baked & Waxed Length:10000 Qty - #4-20 x 1/2" These internal tooth lock washers

These internal tooth lock washers are ideal for use in automotive

Fast Fulfillment: Ships quickly from our Florida warehouse

ensuring secure installation

Precision Drive: 17 mm hex socket offers deep engagement and reliable torque under high stress

these fasteners combine maximum tensile strength

Bulk #4-20 Phillips Flat-Undercut Head 48-2 Thread-Forming Screws for Thermoplastics – Zinc-Plated Steel, Baked & Waxed Length:10000 Qty - #4-20 x 1/2" These internal tooth lock washersMonster Overview: Achieve a clean, flush finish in thin plastic panels with bulk #4 20 Phillips Flat Undercut Head 48 2 Thread Forming Screws from Monster Bolts. The shortened undercut head seats flush where standard flats would bottom out, while the tri lobular Plastite geometry cold flows thermoplastic, forming strong, chip free internal threadsno taps, no debris. Each screw is heat treated carbon steel, bright zinc electro plated then baked to