SS138 - 50 or 200 / 4.2 x 20mm Hex Head Tapping Screw

 

 

 

GM Front End & Air Conditioner / Special Hex Head Sems Tapping Screw / Sheet Metal Screw / Black Phosphate Finish

M4.2-1.41 x 20mm (#8 x 25/32")

7mm Indented Hex Washer Head

12mm (1/2") Outside Diameter Loose Washer

Point Type: A/AB

 

OEM

GM & General Purpose

GM: #11503396, #11503483, #11500434

Auveco: #12742  /  Car-Pak: #80-5141