Socket Head Cap Screw Stainless Steel 1/2-13 * 10" [Cup Point] [Allen Drive] length_3 It is made of black

It is made of black plated and thus provide medium resistance to corrosion in both dry and wet environments

The screws have a thread of 1-3/4-5 and a length of 15

This plow bolt has a length of 4" with a threading of 1-8 [Partially Threaded]

The cup point has a thin edge that digs into the contact surface for a secure hold

Black-oxide alloy steel screws have mild corrosion resistance in dry environments

Socket Head Cap Screw Stainless Steel 1/2-13 * 10" [Cup Point] [Allen Drive] length_3 It is made of blackMade from 18 8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head. The screw has a length of 10" and a thread of 1 2 13. Coarse threads are the industry standard: choose these screws if you dont know the pitch or threads per inch.