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LS-60 Electroplated Diamond Core Drill Bits for Gemstone Glass 3-200 mm

These nickel-plated diamond core drill bits are fantastic tool for lapidary and glass work, with #120 diamond coated end of the metal base, high diamond concentration.
They are aggressive, highly durable and resistant to wear, must used with water. Easy to used with a drill press or hand held drill machine,
Shank size 6/8/10 mm, core drill bits size 3-200 mm.

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LS-61 Ultra Thin 3-100 mm Electroplated Diamond Core Drill Bits

Ultra-thin electroplated diamond core drill bits widely used for gemstone like jade, jasper, opal, very precious stone, glass and ceramics drillng, with hollow core.
With #220 diamond coated on the steel core continuous rim, less micro chipping upen entry compared with standard drill bits.
Rim thickness only 0.5-0.6mm, which means a narrow kerf for the hole saw. The narrower line it cuts is finer and less edge chipping.
Smooth and clean cut, aggressive and durable, we suggest used with water.

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LS-62 Metal Bond 3-100mm Sintered Diamond Core Drill Bits

Metal Bond Sintered Diamond Hollow Drill Bits, are made with diamond grit 60/80 around the core rim, widely used for glass, stone, ceramic and quartz.
Sintere Diamond Core Drill Bits with several layers of diamond grit, they last long, used much longer time than elecroplated or coated drills.
Heavy-duty tip make the drilling speed slower than electoplated diamond core drill bits, this is the disadvantage.
Size to choose from 3-100 mm

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LS-63 Electroplated Diamond Hollow Drill 1.0/1.25/1.5/1.75/2.0/2.5/3 mm

These electroplated hollw drill bits are a fantastic tool for both lapidary and glasswork.
With diamond coated steel core rim, used for gemstone and glass drilling, must wet use.
Hollow steel core, with a better washout than solid bits, tip size can be 1.0/1.25/1.5/1.75/2.0/2.5/3.0 mm

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