4-40 x 1/2 MS51957-B Phillips Pan Head Machine Screw Stainless Steel Black Oxide 2000 pack hex-keys 3/8" DRIVE METRIC SOCKET 6

3/8" DRIVE METRIC SOCKET 6 pack - 17 MM DEEP 12 Point Item # S20317

Part # MS51957-64

Part # MS16997-104

Part #13710T100SS-2000

Part #42810F050FSS-2500

4-40 x 1/2 MS51957-B Phillips Pan Head Machine Screw Stainless Steel Black Oxide 2000 pack hex-keys 3/8" DRIVE METRIC SOCKET 6Need a large quantity? Request bulk pricing here. MS51957 B Phillips Pan Head Machine Screw Coarse Full Thread 300 Series Stainless Steel DFAR Black Oxide Pack of 2000 Mil spec machine screws are used to fasten materials in military, government, aerospace, automotive or industrial applications. These machine screws meet MS51957 B specifications. Part # MS51957 17B