The hex head provides a secure grip for driving and the tap threads cut into the material to create a strong hold
while the hex washer head ensures a secure and tamper-proof connection
This 5/16-18 x 7 1/2 carriage bolt is made of steel and has a zinc finish for corrosion resistance
5 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc Yellow is a type of washer that is used to distribute the load of a screw or bolt over a larger surface area
They are 12-14 x 1 1/4 inches in size
9-10 x 1 #2 Square Drive Flat Head No Nibs Deep Thread Type 17 Full Thread Zinc WM188 The hex head provides a9 10 x 1 #2 Square Drive Flat Head No Nibs Deep Thread Type 17 Full Thread Zinc are screws with a square drive, flat head, no nibs, deep thread, and full thread. They are made of zinc and have a diameter of 9 10 mm and a length of 1 inch. They are used in a variety of applications, including construction, manufacturing, and automotive.