#4-40 Phillips Pan Head Machine Screws. These are made from Carbon Steel with Black Oxide and Oil.

Available in 1/8" to 1" lengths

Package quantities available in either 10, 25, 50 and 100 pieces.

Diameter : #4

Thread Pitch : 40 TPI - UNC / Coarse Thread

Drive : #1 Phillips

Type : Pan Head Machine Screw

Matching Nut : #4-40 Available here

System of Measurement : Inch

Material : Steel w/ Black Oxide Coating

Specifications : ASME B18.6.3-2010 & SAE J82

Tensile 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"