Insert crown boring bits of KNSh (КНШ) type are designated for boring blast holes and wells in medium solidness rocks, strong and strongest monolith and medium-fissured rocks of medium abrasivity.
|
Name |
D, mm |
d, mm |
L, mm |
Weight, kg |
|---|---|---|---|---|
|
KNSh 28-22 / КНШ 28-22 |
28 |
22 |
54 |
0,12 |
|
KNSh 28-22 / KHШ 32-22 |
32 |
22 |
69 |
0,28 |
|
KNSh 34-22 / KHШ 34-22 |
34 |
22 |
75 |
0,30 |
|
KNSh 36-22 / KHШ 36-22 |
36 |
22 |
75 |
0,37 |
|
KNSh 40-22 / KHШ 40-22 |
40 |
22 |
77 |
0,46 |
|
KNSh 43-22 / KHШ 43-22 |
43 |
22 |
77 |
0,56 |
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