Catalog number: 91-ST Features: ●Iron (hardened) chuck and cap are resistant to wear. ●Through-type (90-ST to 92-ST) that does not require a specific drill chuck length. ●Thin shaft design is convenient for detailed work. Applications: ●For drilling work such as engraving, metal plates, models, beads, and circuit board production Specifications: ●Compatible size (mm): φ0.1 to 0.9 ●Tip diameter (mm): φ8 ●Total length (mm): 110 ●Remarks: Single-head type ●Compatible size (mm): φ0.1 to 0.9 ●Shaft diameter (mm): 5.5 ●Cap diameter (mm): 8 Material/Finish: ●Free-cutting steel, carbon steel, copper alloy
