4-40 x 1 Phillips Pan Taptite Alternative Thread Rolling Screw Fully Thrd Zinc & Wax LPF188 which is a corrosion-resistant alloy

which is a corrosion-resistant alloy that is commonly used in marine and other outdoor applications

The 1 1/2 inch length refers to the distance from the underside of the head to the tip of the screw

It has a Phillips pan head and a length of 3/4 inches

They have a slotted drive and a fillister head with a 7/8-inch length

4-40 x 1 Phillips Pan Taptite Alternative Thread Rolling Screw Fully Thrd Zinc & Wax LPF188 which is a corrosion-resistant alloyThe 4 40 x 1 Phillips Pan Taptite Alternative Thread Rolling Screw Fully Threaded with Zinc & Wax is a versatile and durable fastener designed for a wide range of applications. With its sharp point and aggressive thread design, it easily penetrates and taps into metal, creating strong and secure joints. The Phillips pan head provides a large bearing surface for driving, reducing the risk of cam out. The zinc and wax coating offers excellent corrosion