uxcell 10 Pcs 1mm 1.2mm Diamond Twist Drill Bits High Speed Steel for Glass Sea Shells Stone Tiles

Descriptions:Fits for drills, flex shafts, bench drill and hanging mill.Suitable for drilling holes on glass, shells, rocks, marble, stones, etc.Note: Add the coolant can increase work efficiency and extend service life.Specifications:Color: Silver ToneMaterial: Diamond, High Speed SteelDrill Bit Diameter: 1mm / 0.04-inch, 1.2mm / 0.05-inchDrill Bit Length: 11mm / 0.43-inch, 13mm / 0.51-inchShank Diameter: 0.7mm / 0.027-inch, 1mm / 0.039-inchTotal Length: 28mm / 1.1-inch, 34mm / 1.3-inchPackage Content:5 x 1mm Diamond Twist Drill Bits5 x 1.2mm Diamond Twist Drill Bits

• [Specifications] - Drill Bit Dia.: 1mm / 0.04-inch, 1.2mm / 0.05-inch; Drill Bit Length: 11mm / 0.43-inch, 13mm / 0.51-inch; Shank Dia.: 0.7mm / 0.027-inch, 1mm / 0.039-inch; Total Length: 28mm / 1.1-inch, 34mm / 1.3-inch; 5 x 1mm Diamond Twist Drill Bits; 5 x 1.2mm Diamond Twist Drill Bits
• [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, marble, stones, drywall 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.