Socket Head Cap Screw Full Thread Copper Nickel 3/8-16 * 1" Grade 8 [Cup Point] [Allen Drive] thread_size_1-2-13 The screws have a filetage

The screws have a filetage of 3/4-10 and a length of 2

The screws have a thread of 1-8 and a length of 8

The screws have a thread of 1-3/4-5 and a length of 8

Made of steel

Socket Head Cap Screw Full Thread Copper Nickel 3/8-16 * 1" Grade 8 [Cup Point] [Allen Drive] thread_size_1-2-13 The screws have a filetageMore 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 3 8 16. Coarse threads are the industry standard: choose these screws if you dont know the threads per inch.