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Manufacture by advance process. The products are stable in mechanical properties, delivery in time.

Tolerance of the produccts is up to the internal standard of KLT, meeting the requirement fo customers
 
Bits for drilling glass: Serial I
Type L1 B L H R F I G U R E
l -57 3.6 1.5 10.1 5.7 10.5
l -72 4.8 1.7 12.0 7.2 11.3
l -89 5.5 2.0 16.1 8.9 15.0
l -105 4.8 2.0 20.1 10.5 24.5
l -139 6.9 2.2 26.3 13.9 30.0
 
Bits for drilling glass: Serial II
Type II -57 II -67 II -72 II -105 II -109 II -130 II -139 II -170 II -200 II -89
L1 3.5 4.0 4.3 5.3 5.2 7.5 7.4 5.0 4.0 6.0
L 10.6 12.6 12.6 20.6 20.6 26.8 26.8 26.2 30.0 16.6
H1 4.0 4.5 4.5 6.0 6.0 8.0 8.0 9.5 9.5 5.5
H 5.7 6.7 7.2 10.5 10.9 13.0 13.9 17.0 20.0 8.9
B 1.5 1.5 1.7 2.0 2.0 2.5 2.5 2.5 2.5 2.0
R 10.5 13.0 11.3 24.5 24.5 32.0 30.0 33.0 34.0 15.0