VEVOR Step Drill Bit Set, 1/8-7/8 inch, 3 Pieces Step Drill Bits, 1/4 inch Hex Shank, TiAlN Coating Cobalt HSS High Speed Steel, for Metal, Stainless Steel, Aluminum, Wood, Plastic, Fiberglass 1/8-7/8" (3-Piece Set) Size:1/8-7/8" (3-Piece Set) Protection Level: IP68 (Mated)

Protection Level: IP68 (Mated)

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VEVOR Step Drill Bit Set, 1/8-7/8 inch, 3 Pieces Step Drill Bits, 1/4 inch Hex Shank, TiAlN Coating Cobalt HSS High Speed Steel, for Metal, Stainless Steel, Aluminum, Wood, Plastic, Fiberglass 1/8-7/8" (3-Piece Set) Size:1/8-7/8" (3-Piece Set) Protection Level: IP68 (Mated)VEVOR Step Drill Bit Set, 1 8 7 8 inch, 3 Pieces Step Drill Bits, 1 4 inch Hex Shank, TiAlN Coating Cobalt HSS High Speed Steel, for Metal, Stainless Steel, Aluminum, Wood, Plastic, Fiberglass Product Features Professional 3 Piece Set: The step drill bit set includes a 13 step bit(1 8 1 2 in) for electronic enclosures, a 9 step bit(1 4 3 4 in) for mechanical assembly, and a 12 step bit (3 16 7 8 in) for mixed ranges, meeting diverse drilling needs