8-15 x 1 Square Flat Self Tapping Screw Type A Fully Threaded Zinc KW5 It features a 6-lobe button

It features a 6-lobe button head design

The 5/16-18 thread size and 2 3/8-inch length ensure a secure and reliable hold

They have a 1/4-inch across the flats hex head

25 x 60 DIN 6921 10

8-15 x 1 Square Flat Self Tapping Screw Type A Fully Threaded Zinc KW5 It features a 6-lobe buttonThese 8 15 x 1 Square Flat Self Tapping Screw Type A Fully Threaded Zinc screws are designed for use in a variety of applications. They are made of high quality zinc plated steel for durability and corrosion resistance. The square flat head provides a flush, finished appearance, while the fully threaded shank ensures a secure hold. These screws are self tapping, eliminating the need for pre drilling, making them easy to install. They are ideal for use