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DOWN-THE-HOLE BITS
D
d
Weight
(kg)
Serise No.
shank configuration
mm
in
85
3 3/8
52
4
QK85-452
J80B
90
3 9/16
52
4.5
QK90-452
100
3 15/16
52
5
QK100-452
102
4
56
5
QK102-456
J100
110
4 1/3
56
5
QK110-456
115
4 1/2
56
5
QK115-456
120
4 3/4
56
5.5
QK120-456
102
4
60
5.5
QK102-460
J100B
110
4 1/3
60
5.6
QK110-460
115
4 1/2
60
6.2
QK115-460
120
4 3/4
60
6.3
QK120-460
150
6
90
16
QK150-890
J150B
160
6 5/16
90
18
QK160-890
165
16 1/2
90
18.5
QK165-890
175
6 7/8
98
25
QK175-698
J170B
185
7 9/32
98
26
QK185-698
194
7 5/8
98
27
QK1984-698
200
7 7/8
120
32
QK200-6120
J200B
210
8 1/4
120
33
QK210-6120
 
 
 
 
 

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