Flat Head Cap Screw Black Steel 1/2-13 * 9" Grade 8 [Cup Point] [Allen Drive] asme_b18-5 This hexagonal nut fit a

This hexagonal nut fit a threading of 1-1/2-6

This hexagonal bolt has a length of 3" with a threading of 1-8 [Fully Threaded]

use these screws with Grade 9 nuts and screws

This hexagonal bolt has a length of 4-1/2 with a threading of 7/8-9 [Partially Threaded]

Flat Head Cap Screw Black Steel 1/2-13 * 9" Grade 8 [Cup Point] [Allen Drive] asme_b18-5 This hexagonal nut fit aMade from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head. The screw has a length of 9" and a thread of 1 2 13. Black oxide alloy steel screws have mild corrosion resistance in dry environments.