4-40 x 3/8 Slotted Fillister Head Machine Screw Fully Threaded Black Oxide WI188 With its 1/2-13 thread size

With its 1/2-13 thread size and 1 3/4-inch length

preventing the bolt from spinning or becoming loose

The full contour truss head provides a low profile and a finished look

The flange head provides a wide bearing surface

The sharp point and aggressive threads provide superior penetration and holding power

4-40 x 3/8 Slotted Fillister Head Machine Screw Fully Threaded Black Oxide WI188 With its 1/2-13 thread sizeThe 4 40 x 3 8 Slotted Fillister Head Machine Screw Fully Threaded Black Oxide is a small, versatile screw that is commonly used in a variety of applications. It is made of steel and has a black oxide finish, which gives it a durable and corrosion resistant surface. The screw has a slotted head, which allows it to be easily driven with a screwdriver. The fillister head is slightly rounded, which gives it a finished appearance. The screw is fully