Soilmec Type R312 Interlocking Kelly bar

1. Interlock Kelly bar, 2. Durable steel material, 3. Applied to the hard and soft layer, 4. Kelly bar for Bauer - details see: https://www.machineto.com/soilmec-type-r312-interlocking-kelly-bar-10113084

Condition:New	Efficiency:high	Place of Origin:Hunan China (Mainland)	Brand Name:UNIMATE
Model Number:Interlocking Kelly bar	Material:Depend on customer requirement

Soilmec Type R312 Interlocking Kelly bar

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Interlocking Kelly bars are used with piling rigs for drilling in dense sand and gravel and weak to strong rock. The Interlocking Kelly bars manufactured by Unimate can be fully locked by mechanical locking system on each section. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.

Please see below chart of some of our standard productions for Interlocking kelly bars:

Identification No.	Torque(ton.m)	O.D.(mm)	Sections	Drilling Depth (m)
UM36/470/3/27~28	36	470	3	27~28
UM 36/470/4/36~72	36	470	4	36~72
UM 25/440/3/36	25	440	3	36
UM 25/440/4/50	25	440	4	50
UM 28/394/3/24~48	28	394	3	24~48
UM 28/394/4/32~65	28	394	4	32~65
UM 18/377/3/36	18	377	3	36
UM 18/377/4/50	18	377	4	50
UM 22/406/3/36	22	406	3	36
UM 22/406/4/50	22	406	4	50
UM 36/508/4/60	36	508	4	60

*Other sizes can be manufactured as per customer demand

The features of UNIMATE Kelly bar

Adopt the advanced technology of 6-key design in the world and standard modular design.

Equipped with advanced processing facilities, workmanship and manufacturing equipments, UNIMATE kelly bar enjoys a low weight, high strength, high straightness of single bar, thinner tube, smaller inter-tube distance and good abrasion resistance.

The raw materials are either imported from Germany like the high abrasion resistance materials, or from Chinese top manufacturer such as the seamless steel tube with alloy. All the tubes made in China are specially made seamless alloy tube, which guarantees the accuracy of the sizes, location, physical properties and easy welding. The small-diameter tubes undergo reheat treatment. The friction kelly bar can be used under full torque.

All the outer keys have undergone special heat treatment; therefore, they possess higher hardness, higher flexibility and excellent welding properties, which provide higher abrasion resistance to the keys.

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