2,655 Piece Grade 5 Hex Head Cap Screw Assortment Refill Grit_80 Same four sizes

Same four sizes

the critical dimensions are thread size (to match the screw) and panel thickness range (to ensure the clip snaps onto the flange securely)

Avoid open flame — it chars the tubing and causes uneven shrink

and cable entries

under the hood (engine covers

2,655 Piece Grade 5 Hex Head Cap Screw Assortment Refill Grit_80 Same four sizesThe same 2,655 piece Grade 5 coarse thread assortment as the Starter Kit without the bin. For customers who already own bin storage from the Grade 5 UNC Starter Kit, this refill restocks 1 4" through 3 4" hex cap screws, hex nuts, and washers across all eight diameters without paying for storage you already have. What's Included Grade 5 hex head cap screws 1 4" 20, 5 16" 18, 3 8" 16, 7 16" 14, 1 2" 13, 9 16" 12, 5 8" 11, and 3 4" 10, multiple lengths