1/4-20 x 3 Combination (Phil/Slot) Full Contour Truss Head Machine Screw Full Thread Zinc NSTB It is made from medium

It is made from medium carbon steel and heat treated to achieve a Grade 8 rating

The square head provides a secure grip for a wrench or socket

and home improvement

The gimlet point facilitates easy penetration into wood

Crafted from durable HR15N steel

1/4-20 x 3 Combination (Phil/Slot) Full Contour Truss Head Machine Screw Full Thread Zinc NSTB It is made from mediumThis 1 4 20 x 3 combination (Phillips slotted) full contour truss head machine screw is made of zinc plated steel and has a full thread. It is designed for use in a variety of applications, including metalworking, woodworking, and construction. The full contour truss head provides a large bearing surface, which helps to distribute the load and prevent the screw from pulling through the material. The combination drive allows for easy installation with