uxcell 1.7mm Diamond Twist Drill Bits High Speed Steel HSS for Glass Sea Shells Stone Tiles 10 Pcs

• [SIZE] - 1.7mm diameter, 14mm length twist drill bit with 1.2mm shank.
• [MATERIAL] - Diamond coated high speed steel(HSS) is made by spiral technology, has both toughness and hardness, is not easy to break. The drill bit is sharp, and is easy for chip removal.
• [APPLICABLE MACHINE] - Widely used in rotary tool such as hand drills, drill press, flex shafts, bench drill and hanging mill.
• [APPLICATION] - Suitable for drilling small holes on glass, metal, sea shells, jade, pearls, marbles, stones, drywalls and son on. Due to the different hardness of the material, the effect is also different.
• [NOTICE] - When drilling, it is necessary to add cutting fluid in time to lubricate and cool down, which can get a better drilling hole wall, extends the service life and drilling accuracy.

Descriptions: Fits for drills, flex shafts, bench drill and hanging mill. Suitable for drilling holes on glass, shells, rocks, marbles, stones, etc. Note: Add the coolant can increase work efficiency and extend service life. Specifications: Color: Silver Tone Material: Diamond, High Speed Steel Drill Bit Diameter: 1.7mm / 0.067-inch Drill Bit Length: 14mm / 0.55-inch Shank Diameter: 1.2mm / 0.047-inch Total Length: 38mm / 1.5-inch Package Content: 10 x Diamond Twist Drill Bits