Interlocking Kelly Bar & Friction Kelly Bar Drilling Depth 10-110m for Sand

Application:Be used for Rotary piling rig drilling tools dig hole in rock or
soil layer.

Type:Telescopic Kelly Bar 2-6 sections

Lock Type:Interlocking / Frictional / Combined kelly bar

Drilling Depth :10-110m

Drilling Diammeter:400-3000mm



OEM/ODM Both
Material Q345B /Q460D / 35CrMo With Special Heat Treatment
Manufacture Process Robot Welding ,Gas Shielded welding , Manual DC
Welding
Tailored Round /Square


Specification

No.
Diammeter of The First

Section



Sections Key Pressure Type Length of per section(m) Drill
depth Torque(KN.M)
1 ¢299 3 Interlocking 9-12 24-45 100
-120
2 ¢342 3 4 Interlocking 9 - 12 24-45 100
-120
3 ¢355 3 4 Interlocking 9 - 14 24 - 56 100-120
4 ¢368 3 4 Interlocking 9 - 14 24 - 56 150-180
5 ¢377 3 4 Interlocking 9 - 14 24 - 56 150-180
6 ¢394 3 4 Interlocking 9 - 15 24 - 58 180-200
7 ¢406 3 4 Interlocking 9 - 15 24 - 58 180-200
8 ¢419 3 4 Interlocking 9 - 15 24 - 58 200-230
9 ¢440(445) 3 4 Interlocking 9 - 15 24 –
58 220-260
10
¢470

(482)

3 4 Interlocking 9 - 16 24 – 60 220-260
11 ¢508 3 4 Interlocking 9 – 18 24 – 68
260-360
12
¢530

(540)

3 4 5 Interlocking 9 – 20 32 – 92 320-400
13 ¢580(575) 3 4 5 Interlocking 9 – 20 32 –
92 360-420
14 ¢630 3 4 5 Interlocking 9 - 22 32 - 102
400-500

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