Specification: Cutting Edge Diameter: 0.3mm Shank Diameter: 3.175mm Overall Length: Approx. 38mm Features: 1. Small diameter drill bits, for drilling components lead wire holes in printed circuit boards. 2. Suitable for drilling plastic, soft media, circuit board, wood or metal (aluminum, copper, e.g.) 3. Ideal for model engineering, electronics and jewelry making, etc.
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