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 1/4" Passivated & Wax-Lubricated: Clean

Passivated & Wax-Lubricated: Clean

carriage bolts are commonly used in marine construction

Quality & Supply: Every lot meets or exceeds Monster Bolts’ strict standards for dimensional accuracy and consistency

✔️ Available in #8-18 and #10-16 sizes

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 1/4" Passivated & Wax-Lubricated: CleanMonster 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