165 Piece Trim Screw Assortment Starter Kit Pitch_10 so the right clip is

so the right clip is always within reach when a job calls for quick-release retention

The 500-piece kit gives you more of the most-used lengths and widths so you spend less time reordering and more time getting work done

Questions about sizing or technique

UNC coarse thread is the standard for most structural and heavy-duty applications — faster to assemble than fine thread and less prone to cross-threading in the field

165 Piece Trim Screw Assortment Starter Kit Pitch_10 so the right clip isWhen a trim panel clip mount calls for a specific metric hex head sems M4. 2 with a 12mm washer for one application, 20mm for another grabbing the wrong washer diameter is how a panel ends up loose or cracked at the clip housing. This 165 piece assortment covers the most common OEM spec metric trim screws for GM and Ford applications, pre sorted in a 6 hole labeled small plastic drawer. What's Included M4. 2 1. 41 x 20 hex head sems, 12mm washer O. D.