These are the special rivets that were used to secure the running board trim to each end of the running boards. Drill a 9/64 hole centered one inch from the outside edge of the running board. The rivet head is on the inside of the board. Set of 8 oval head tubular rivets.
NRG Fender Washer Kit Fw-200 Titanium Burn | FW-200TT
RUNNING BOARD BRACKET BOLTS
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Running Board Rivet - Advance Auto Parts
RUNNING BOARDS
5/8 inch Aluminum Rivet-On Channel Molding. CHAN75 - CustomAutoTrim
Nilight OEM Replacement Retainers. Nilight 120PCS Car Bumper Retainer Clips & Nylon Fasteners Rivet Kit 5mm 6mm 7mm 9mm 10mm for Bumper Fender Hood
120 Pcs Hole 5mm 6mm 7mm 9mm 10mm Car Bumper Retainer Clips
Other Names: Liftgate Finish Panel Clip,Wheel Arch Molding Clip,Running Board Clip, Spoiler Clip,Rocker Panel Molding Clip,Door Molding Clip Top Head
Rexka 15 pcs Fender Trim Wheel Opening Moulding Retainer Clip for Mazda KD51-51-W24 Mazda 3, CX-3, CX-5, CX-9 kd5151w24
AMP Research PowerStep Xtreme Running Boards
50 Pcs Head 18mm Hole 9mm Car Door Trim Panel Retainer Clips For
Z71 running board removal, Chevy Tahoe Forum