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" Screw Size: #12-24 (Coarse Threads)

Screw Size: #12-24 (Coarse Threads)

carriage bolts are commonly used in marine construction

offering both practical security and a neat finish

Our Nylon Insert Locknuts offer a reliable locking mechanism without damaging the threads of the bolt or screw

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" Screw Size: #12-24 (Coarse Threads)Monster 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