8 x 1 1/8 Flat Head Nibbed Square Drive Deep Thread Wood Screw Type 17 2/3 Thread Zinc & Bake MPP These 8-18 x 2 1/2

These 8-18 x 2 1/2 square drive flat head fully threaded self drilling screws are made of 18-8 stainless steel

The heavy hex nut is designed to withstand high torque and vibration

while the flat head design sits flush with the surface of the wood

The 4-40 x 7/8 Slotted Oval Machine Screw is a fully threaded screw made of 18-8 stainless steel

It is designed for use in metal applications and features a unique thread design that provides superior holding power and resistance to vibration

8 x 1 1/8 Flat Head Nibbed Square Drive Deep Thread Wood Screw Type 17 2/3 Thread Zinc & Bake MPP These 8-18 x 2 1/28 x 1 1 8 Flat Head Nibbed Square Drive Deep Thread Wood Screw Type 17 2 3 Thread Zinc & Bake. This screw is designed for use in wood applications. It has a flat head with a nibbed design that helps to countersink the screw into the wood. The square drive allows for easy driving with a power tool. The deep thread design provides a strong hold in wood. The zinc and bake coating provides corrosion resistance.