Step bit Ruko
Ruko HSS Step Drill Bit 4-30 mm, 14 Steps, Spiral Fluted
HSS step drill bit with spiral flutes, 4-30mm diameter range, and 100mm total length, for precise drilling and easy hole expansion.
Terrax Step Drill Set HSS Tin Coated, RUKO A101126TRO Step drill bit set HSS 1 pc(s), Ruko Terrax by Straight Fluted 3 Piece Step Drill Bit Set HSS-TiN
The Terrax Step Drill Set HSS features a tin-coated, 3-piece step drill bit set for precision and durability. With RUKO A101126TRO, experience versatile cutting performance in various materials such as steel, aluminum, or plastics.
Ruko 101052H HSS Step Drill Bit with 1/4" Hex Shank, Size Range 4-30 mm
High-speed step drill bit made of HSS, 2-flute design, total length 105mm, for drilling holes from 4 to 30mm.
Ruko HSS Sheet Metal Step Drill Bit 5-31 mm with Triangular Shank
Sharp HSS conical sheet‑metal drill with a triangular shank, cutting range 5–31 mm and total length 103 mm, designed for clean, precise holes in metal panels.
Ruko 101060E Cobalt Step Drill Bit 6-37 mm HSS-Co5 with Triangular Shank
A cobalt step drill bit that cuts cleanly from 6 mm to 37 mm, featuring a split point and bright finish for reduced clogging. Its triangular shank locks firmly into a holder, while the HSS‑Co5 core resists heat and wear in hard metals.
