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-inchDrill Bit Length: 11mm / 0.43-inchShank Diameter: 0.7mm / 0.027-inchTotal Length: 28mm / 1.1-inchPackage Content:10 x Diamond Twist Drill Bits.
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Suitable for drilling jewellery, ceramics, glass and semiconductor materials. -High hardness diamond coated HSS twist drill bit.
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Type: Diamond Twist Drill Bits. The product is made of twist drill and diamond powder. Applicable machine: bench drill / hanging mill.
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Drill Bits Diamond Coated Twist Drill Bits Polishing Professional Size 0.8-2.5mm Product Information: Name: Drill Bits Diamond Coated Twist Drill Bits Polishing Professional Size 0.8-2.5mm Material: HSS + Diamond Applicable tools: electric drill, bench drill, electric mill, hanging mill. Scope of application: Commonly used for punching on jade, metal, agate, emerald, gem, pearl, pebbles and other materials. Note: Please use water cooling during operation to extend the useful life of the drill. Applicable machine: bench drill / crane grinder Size: 0.8mm 1mm 1.2mm 1.5mm 2mm 2.5mm
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Due to the different hardness of the material, the effect is also different. 🥇[MATERIAL] - Diamond coated high speed steel(HSS) is made by spiral technology, has both toughness and hardness, is not easy to break.
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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-inchDrill Bit Length: 11mm / 0.43-inchShank Diameter: 0.7mm / 0.027-inchTotal Length: 28mm / 1.1-inchPackage Content:10 x Diamond Twist Drill Bits.
eBay
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-inchDrill Bit Length: 11mm / 0.43-inchShank Diameter: 0.7mm / 0.027-inchTotal Length: 28mm / 1.1-inchPackage Content:10 x Diamond Twist Drill Bits.
eBay