Type：
1，Interlocking kelly bar.
2，Friction kelly bar.
3，Full locking kelly bar.
4，Combined kelly bar.
Factory View：
Advantages：
1，Top quality of steel tube, welding wire, drive key and kelly stub etc. ST52, 35Crmo, Hardox500, forged technology are making reliable Kelly bar.
2，Special heat treatment, robot welding machine, leveling adjustment platform are making high strength Kelly bar.
3，Rich experiences, perfect design and customized services will making the suitable kelly bar for you.
4，Online and site Services.
Features：
1，Kelly box 130mm/150mm/200mm/250mm customized.
2，Cutting ring with staggered arrangement of roller bits.
3，Easy replacement of roller bits.
4，Around wearing strips.
Production Process：
Parameters：
We made many full locking kelly bars for IMT machines: AF150, AF180, AF220, A215, A250, A290 etc.
Kelly bar details:
Kelly bar spare parts：
OD（mm）
Elements
LockingType
Section Length
Drill Depth
Torque
299
3/4
Multi-Locking
9-14
24-50
100-120
342
3/4
Multi-Locking
9-14
24-50
100-120
355
3/4
Multi-Locking
9-14
24-50
100-120
368
3/4
Multi-Locking
9-14
24-50
150-180
377
3/4
Multi-Locking
9-14
24-50
150-180
394
3/4
Multi-Locking
9-15
24-55
180-200
406
3/4
Multi-Locking
9-15
24-55
180-200
419
3/4
Multi-Locking
9-15
24-55
200-230
440/445
3/4
Multi-Locking
9-15
24-55
220-260
470/482
3/4
Multi-Locking
9-15
24-55
230-280
508
3/4
Multi-Locking
9-16
30-60
260-360
Other sizes can be customized
Packing and delivery：
Name: Leaddrill
Mobile：+8615111295229
Tel：+8615111295229
Whatsapp：15111295229
Email：info@leaddrill.com
Add：1001 Yingshuang Rd. Yuelu District, Changsha, Hunan, China
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