Dyllu 4-12mm Step Drill Bit Set - DTJD1401 | DZ Impact Wrench & Driver Width: 4 17/32” – 8

Width: 4 17/32” – 8 3/32” (11

Diameter of collet 6mm

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Dyllu 4-12mm Step Drill Bit Set - DTJD1401 | DZ Impact Wrench & Driver Width: 4 17/32” – 8A compact and versatile step drill bit designed for precise and efficient drilling on thin metal sheets. This 4 12mm set with 2mm increments ensures clean, accurate holes every time. Key Features: Size Range: 412mm, 2mm per step Shank Diameter: 6mm Material: High Speed Steel (HSS) for durability and long life Applications: Steel plates, thin metals, and light fabrication tasks Precision: Step design allows smooth drilling without burrs Packaging: