PDC anchor bit for roof bolting: cutter is made of PDC, different shapes and combination styles applied for soft to hard rock.
Port: Ningbo
Minimum Order Quantity: 50 Piece/Pieces
Supply Ability: 20000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: Cartons,Wooden case
Delivery Detail: 1-20days
PDC anchor-shank drill bit: cutter is made of PDC, different shapes and combination styles applied for soft to hard rock formations.
Purpose: Being widely used in the fields of mine, transportation, tunnel, hydroelectric for drilling hole to shelve anchor net.
Characteristics:
1. High wear resistance and impact-resistance youghness;
2. long drill life
3. drill efficiency could be promoted sharpely in penetration of medium hard rock formation;
4 labor intensity could be reduced.
Rock formation: F=4--12
Dimesion:25,27,28,29,30,32,36,42 mm
Normal Thread Model:
M16×2; M14×1.5, M12×1.75; M14×1.5; M12×1.75
Colliery Drilling Tools | Main Standard(mm) | |||
D | H | L | M | |
Thread joint | 27 | 44 | 17 | M14×1.5 |
27 | 54 | 17 | M12×1.75 | |
28 | 54 | 20 | M12×1.75 | |
29 | 52 | 18 | M14×1.5 | |
30 | 50 | 18 | M14×1.5 | |
32 | 52 | 22 | M14×1.5 | |
32 | 56 | 22 | M12×1.75 |
Note:The bits are cooled and cleaned by water matching with hydraulic rotary drilling machine.