This is Snappy item 46338. Snappy countersinks will drill the pilot hole for the screw, countersink for the head of the screw and counterbore for the 3/8" plug. Loosen the set screw to adjust the drill bit to match the length of the screw.
ARTU USA INC 02920 2-7/8" Grit Edge Hole Saw Tungsten carbide gritted hole saw for heavy-duty cutting in ceramic tile, concrete block, cement backerboard, brick, fiberglass, plexiglass, PVC, wood with nails, cultured marble, and drywall. Up to 2-1/4" cutting depth. Not included - pilot drill bit (model No.
10 Mixed Micro Drill Bits Dremel CNC PCB .1mm, .15mm, .20mm, .25mm, .30mm 10 pack Japanese Drill Bits Micro Tool Dremel Cutter High Speed Sizes (2 of each) .10mm x 1.7mm .15mm x 2.5mm .20mm x 4mm .25mm x 4.5mm .30mm x 5mm About our bits: These bits are made for extreme production PC board and Cell phone manufacturing in Korea. They are made from the highest quality steel money can buy for this type tool at an affordable price.
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