This listing is for new Stainless Steel #4-40 Phillips Flat Head Machine Screws in the Length and Quantity you specify.

Available in 1/4" to 1" lengths
Package quantities available in either 10, 20, 50 and 100 pieces.

 photo FlatHead.jpg
Diameter : #4
Thread Pitch : 40 TPI - UNC / Coarse Thread
Length : (see diagram to right)
Drive : #1 Phillips
Type : Flat Head 82° Machine Screw
Matching Nut & Washers: #4-40 Available here
System of Measurement : Standard (Inch / U.S.)
Material : Stainless Steel 18-8 /A2-70
Specifications : ASME B18.6.3-2002 & SAE J82

4-40 flat head screw size chart