8-18 x 1 5/8 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc 3/8-16 while the square drive helps

while the square drive helps to prevent stripping

It is made from zinc-plated steel with a hardness of 140 HV

These 0-80 x 1/2 Phillips flat machine screws are fully threaded and made of 18-8 stainless steel with a black oxide finish

The screw has a Phillips flat head and a 100º point

They have a modified truss head that provides a wider bearing surface and better torque transmission than a standard truss head

8-18 x 1 5/8 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc 3/8-16 while the square drive helpsThe 8 18 x 1 5 8 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc is a versatile and durable screw designed for a wide range of applications. Its self drilling tip eliminates the need for pre drilling, saving time and effort. The modified truss head provides a low profile and increased holding power, making it ideal for use in metal to metal applications. The full thread design ensures maximum strength and grip, while the zinc coating