Technical Specification of Friction Kelly Bar | ||||||||||
Number | Out Diameter (mm) | Friction | Friction | Single Length(m) | Drilling Depth(m) | |||||
1 | 273 | 9~12 | 24~33 | |||||||
2 | 299 | 4 | 9~12 | 24~44 | ||||||
3 | 325 | 4 | 9~12 | 24~44 | ||||||
4 | 355 | 4 | 5 | 9~14 | 24~65 | |||||
5 | 368 | 4 | 5 | 9~14 | 24~65 | |||||
6 | 377 | 4 | 5 | 9~14 | 24~65 | |||||
7 | 4394 | 4 | 5 | 9~15 | 24~70 | |||||
8 | 406 | 4 | 5 | 9~15 | 24~70 | |||||
9 | 419 | 4 | 5 | 9~15.5 | 24~72.5 | |||||
10 | 440/445 | 4 | 5 | 9~15.5 | 24~72.5 | |||||
11 | 470 | 5 | 6 | 9~16.5 | 24~93 | |||||
12 | 508 | 5 | 6 | 9~18 | 24~102 | |||||
13 | 530 | 5 | 6 | 9~19 | 24~108 | |||||
14 | 575 | 5 | 6 | 9~19 | 24~108 | |||||
Remark 1Max Hole Depth=Pitch Number*Single Number-Pitch Number(unit:m) | ||||||||||
2Any other drill can be actual site measured,customized produced.Torque is customized according to customer's requirements |
Techical Specification of Inter locking Kelly Bar | ||||||||||
Number | Out Diameter (mm) | Interlock | Interlock | Single Length(m) | Drilling Depth(m) | |||||
1 | 273 | 3 | 9~12 | 24~33 | ||||||
2 | 299 | 3 | 4 | 9~12 | 24~44 | |||||
3 | 325 | 3 | 4 | 9~12 | 24~44 | |||||
4 | 355 | 3 | 4 | 9~14 | 24~65 | |||||
5 | 368 | 3 | 4 | 9~14 | 24~65 | |||||
6 | 377 | 3 | 4 | 9~14 | 24~65 | |||||
7 | 394 | 3 | 4 | 9~15 | 24~70 | |||||
8 | 406 | 3 | 4 | 9~15 | 24~70 | |||||
9 | 419 | 3 | 4 | 9~15.5 | 24~72.5 | |||||
10 | 440/445 | 3 | 4 | 9~15.5 | 24~72.5 | |||||
11 | 470 | 3 | 4 | 9~16.5 | 24~93 | |||||
12 | 508 | 3 | 4 | 9~18 | 24~102 | |||||
13 | 530 | * | 4 | 9~19 | 24~108 | |||||
Remark 1 Max Hole Depth =Pitch Number*Single Number-Pitch Number(m) | ||||||||||
2Any other drill can be actual site measured,customized produced.Torque is customized according to customer's requirements |