Bulk #4-20 Phillips Pan Head 48-2 Thread-Forming Screws for Thermoplastics – Black-Zinc Plated Steel, Baked & Waxed Length:10000 Qty - #4-20 x 3/8" External Tooth Lock Washers feature

External Tooth Lock Washers feature teeth on the outer circumference that dig into the mating surfaces

and general assembly projects with our premium 1/4"-20 Phillips Flat Head Machine Screws

Why Choose Zinc Yellow CR+6 Class 10 DIN 934 Hex Nuts

Reliable Flange Joint Fastener: Engineered for structural steel

Bulk Savings: Affordable pricing for large-scale or repeated use

Bulk #4-20 Phillips Pan Head 48-2 Thread-Forming Screws for Thermoplastics – Black-Zinc Plated Steel, Baked & Waxed Length:10000 Qty - #4-20 x 3/8" External Tooth Lock Washers featureMonster Overview: Drive production efficiency with bulk #4 20 Phillips Pan Head 48 2 Thread Forming Screws from Monster Bolts. The tri lobular Plastite profile plastically flows thermoplastic material to create tough, chip free internal threadsno taps, no cleanup. Each heat treated carbon steel screw is black zinc electro plated and baked to relieve hydrogen embrittlement, then factory wax coated for consistently low seating torque. Fully threaded