Specifications: Material: HSS. Color: as the picture. Shank diameter: 1/8" (3.1mm) Length: 3/2 inch(39mm) Weight: 28g Quantity:10pcs. Application: For processing of metallic and Non-metallic surfaces using an engraving machine or mini-Drill various forms of cutting part provide High production efficiency, good processing quality, finish, easy to use, safe and reliable, reduce labor intensity, non-blocking. Caution: 1. In order to protect the tools,Does not apply to hard wood, hard metal or stone carving. 2. When you use this drill bits, the material temperature will get very high, please add some water or coolant to avoid the material get smoke when using it.
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