Workpiece

Oil pressure head Bar rest Bar clamp

Drill head Drill tube

L5

L1L2'L3L2''L4
OAL
OAL =Drill tube overall length
Drill tube length OAL L1 + L2 + L3 + L4 - L5
L1=Oil pressure head length
L2=Drilling depth (L2' + L2")
L3=Bar rest length
L4=Drill tube clamp length
L5=Length from drill tube tip

and peripheral edge tip

DCN-DCXL5DCN-DCXL5DCN-DCXL5
16 - 16.531.525 - 29.994538 - 43.9940
16.51 - 17.2531.530 - 33.995044 - 51.9950
17.26 - 1831.534 - 36.995052 - 56.9960
18.01 - 1931.537 - 39.995557 - 67.9970
19.01 - 19.9931.540 - 43.996068 - 161.9980
20 - 21.993344 - 51.9965162 - 257.99105
22 - 24.993552 - 56.9970258 - 293.9990
253557 - 6575

25.01 - 26.99 40 27 - 28 40