6-19 x 5/8 6-Lobe Flat High Low Screw Fully Threaded Black Oxide and Oil 3WB while the flange head provides

while the flange head provides additional support and prevents loosening

It is also used in automotive

The 1/4-14 x 1 3/4 Unslotted Indented HWH Self Tapping Screw Type B Full Thread Zinc is a versatile fastener designed for a wide range of applications

The un-slotted indented hex washer head allows for easy driving and prevents the screw from slipping

6 x 10 DIN 7985 A Metric Phillips Pan Machine Screw is a small

6-19 x 5/8 6-Lobe Flat High Low Screw Fully Threaded Black Oxide and Oil 3WB while the flange head providesThe 6 19 x 5 8 6 Lobe Flat High Low Screw Fully Threaded Black Oxide and Oil is a versatile and durable screw designed for various applications. It features a 6 19 thread size, indicating a diameter of 0. 1875 inches and 19 threads per inch. The 5 8 inch length provides ample holding power, while the fully threaded design ensures a secure grip throughout the entire length of the screw. The 6 lobe flat high low drive requires a specific 6 lobe driver