1/4-20 x 1 1/4 Thumb Screw with Shoulder Full Thread Zinc APWB and a full contour truss

and a full contour truss head that provides a large bearing surface for increased strength

They are commonly used in framing

The bolt is typically used to attach wood to metal or to attach two pieces of wood together

With a diameter of 3mm and a length of 8mm

10-32 x 3/8 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc Plated Steel:

1/4-20 x 1 1/4 Thumb Screw with Shoulder Full Thread Zinc APWB and a full contour trussThe 1 4 20 x 1 1 4 Thumb Screw with Shoulder Full Thread Zinc is a versatile and durable fastener designed for a wide range of applications. It features a 1 4 20 thread size, which is commonly used in electronics, photography, and other precision applications. The 1 1 4 inch length provides ample grip and leverage for easy tightening and loosening. The shoulder design creates a secure hold, preventing the screw from slipping or rotating