#4-40 Phillips Pan Head Machine Screws, Steel w/ Black Oxide Coarse SAE US Inch
#4-40 Phillips Pan Head Machine Screws. These are made from Carbon Steel with Black Oxide and Oil. Available in 1/8″ to 1″ lengthsPackage quantities available in either 10, 25, 50 and 100 pieces. Diameter : #4Thread Pitch : 40 TPI – UNC / Coarse ThreadDrive : #1 PhillipsType : Pan Head Machine ScrewMatching Nut : #4-40 Available here System of Measurement : InchMaterial : Steel w/ Black Oxide CoatingSpecifications : ASME B18.6.3-2010 & SAE J82Tensile Strength : 60,000 psi min.Hardness : Rockwell B70-B1002 Available Lengths #4-40 x 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″, 7/8″, 1″