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: 2.5mm / 0.1-inchDrill Bit Length: 25mm / 1-inchShank Diameter: 2.3mm / 0.09-inchTotal Length: 52mm / 2.05-inchPackage Content:5 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:2 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: 0.9mm / 0.035-inchDrill Bit Length: 11mm / 0.43-inchShank Diameter: 0.6mm / 0.024-inchTotal Length: 25mm / 1-inchPackage Content:5 x Diamond Twist Drill Bits.
eBay
Descriptions:Fits for drills, flex shafts, bench drills, and hanging mills.Suitable for drilling holes in glass, shells, etc.Note: Adding the coolant can increase work efficiency and extend service life.Specifications:Color: Silver ToneMaterial: Diamond, High-Speed SteelDrill Bit Diameter: 1mm / 0.04",2.1mm / 0.08"Drill Bit Length: 11mm / 0.43", 20mm / 0.79"Shank Diameter: 0.7mm / 0.027",1.8mm / 0.07"Total Length: 28mm / 1.1",45.5mm / 1.79"Package Content:2 x Diamond Twist Drill Bits.
eBay
Provides smooth and accurate drilling in tile, glass, brick wall, wood and so on. 3.U-shaped spiral groove is smooth and flat, and the drilling is smoother. The design of triangular shank makes the clamping more tight and does not slip.
eBay
● Material: Diamond coated & HSS(High speed steel). ● Suitable for jewellery, gemstone, jade and pearl etc. It is important to use a steady and appropriate force (avoid excessive force) to. slowly twist the hole in one direction.
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: 0.9mm / 0.035-inchDrill Bit Length: 11mm / 0.43-inchShank Diameter: 0.6mm / 0.024-inchTotal Length: 25mm / 1-inchPackage Content:2 x Diamond Twist Drill Bits.
eBay
Triangle shank handle is designed for preventing slipping and allows drill bit to be held tightly and stably in power drill. No broken edges, no tremors, small incision resistance, fast hole speed, easy chip removal.
eBay