Overview Reviews Product Description 4 x 40 TPIx 3/8 inch Pan Head Phillips Machine Screw Product Videos Custom Field UOM EA Product Reviews Write a Review Write a Review × 4-40X3/8 MACH SCR PAN HD PHIL Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *