Socket Head Cap Screw Full Thread Copper Nickel 1/2-13 * 1" Grade 8 [Cup Point] [Allen Drive] nothread_size_5-8 The screws have a thread

The screws have a thread of 3/4-10 and a length of 16

The screw has a length of 7/8" and a thread of 5/8-11

This hexagonal bolt has a length of 13" with a threading of 7/8-9 [Partially Threaded]

More corrosion resistant than stainless steel screws

The nylon insert grips the bolt to resist loosening without damaging threads

Socket Head Cap Screw Full Thread Copper Nickel 1/2-13 * 1" Grade 8 [Cup Point] [Allen Drive] nothread_size_5-8 The screws have a threadMore corrosion resistant than stainless steel screws, nickel alloy screws have excellent resistance to salt water and some acids. Material is comparable to Monel. They may be mildly magnetic. Length is measured from under the head. The screw has a length of 1" and a thread of 1 2 13. Coarse threads are the industry standard: choose these screws if you dont know the threads per inch.