#12 x 1-1/4" Stainless Steel Self-Drilling Screws 2500 pack steel-phosphate-zinc The plastic insert is placed

The plastic insert is placed at the end of the nut and its inner diameter (ID) is slightly smaller than the major diameter of the screw

#38 Aircraft Extension Drill Bit 12" Length Cobalt - Pack of 6

#20 Aircraft Extension Drill Bit 12" Length Cobalt - Pack of 6

Part # MS51957-3B

MS16997 Military Socket Head Cap Screw Cadmium Yellow - Pack of 50

#12 x 1-1/4" Stainless Steel Self-Drilling Screws 2500 pack steel-phosphate-zinc The plastic insert is placedNeed a large quantity? Request bulk pricing here. #12 x 1 1 4" Stainless Steel Self Drilling Screws Pack of 2500 5 16" hex drive, #3 point, 410 stainless steel Part # SDSS121104