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NO.SY-2 DIAMOND COATED TWIST DRILL BITS |
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NO.SY-2 Diamond Coated
Twist Drill Bits
can be manufacture
according requirement. Its diameter will be specified.
The length of diamond coated is 10mm.
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NO.SY-3 DIAMOND SINTERED DRILL BITS |
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NO.SY-3 Diamond Sintered Drill Bits
can be use
for Glass, Granite, Marble and Wall drilling hole, there are two
kinds shaft: plain and 1/2￣ gas thread, it must be specify when
ordering. |
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