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Shank Adapters

Shank adapter is mainly used for mining operations, and high-quality alloy steel is selected as the raw material. It is a component that transmits power from the rock drill to the drill stems.

The shank adapter is a part connected with a rock drill at one end and a drill rod at the other end. It is an important part of rock drills and drilling tools. It is mainly used in mining operations, using high-quality alloy steel as raw material, and has undergone overall carburizing treatment. Special CNC ensures quality of shank, internal water holes, and side water holes. The shank adapter is uniformly heat treatment and scientifically straightened with precision instruments to ensure straightness and resistance. The working environment is harsh, so the quality and performance requirements of the shank adapter are very strict.

Working Principle:

During the rock drilling operation, the rock drill transmits the impact energy and rotational torque to the rock drilling tools through the shank adapter and the rock is broken by the drill bit. In the rock drilling operation, the shank adapter not only bears the high-frequency impact and strong torsion of the rock drill but also suffers corrosion and wear by the mineral water and slag.

As one of the supporting drilling tools for rock drilling,  the drill shank has a definite internal relationship between its thread structure and the connecting thread structure and precision of the supporting drilling tools. It should meet the requirements of convenient loading and unloading, labor saving, reliable connection, good wear resistance, and high service life during use.

Kelleg’s shank adapters are made of high-quality alloy steel and advanced heat treatment to ensure our reliable quality. At the same time, we provide high-quality shank adapters for most brands of rock drills.

 

Shank adapter includes two types: shank adapter for pneumatic guide rock drill and hydraulic rock drill shank adapter.

At present, there are more than 200 kinds of rock drilling machines of various types, and different types of rock drilling machines need to choose different shank adapters.

Shank Adapter Type

Shank adapter for pneumatic guide rock drill: It is suitable for the small rock drill and can be operated manually.

Shank adapter for Atlas Copco rock drill: It is suitable for Atlas Copco rock drill, one of the most commonly used rock drills.

Shank adapter for Sandvik/Tamrock rock drill: It is suitable for Sandvik/Tamrock rock drill, one of the most commonly used rock drills.

Thread size

  • R28
  • R32
  • R35
  • R38
  • T38
  • T45
  • T51

Our shank adapters are suitable for different equipment, such as Sandvik, Atlas Copco, and Furukawa.

What are the types of shank adapter?

There are three types of shank adapters: flange-type shank adapters, lug-type shank adapters, and spline adapters.

How to improve the service life of the shank adapter?

  • Ensure the machining quality of recess of thread portion and the circular arc transition of sealing ring groove.
  • The good carburizing heat treatment process ensures high notch impact bending fatigue strength of shank adapter material.

What is the design principle of the shank adapter?

  • Meet the requirements of high frequency, high power impact, and rotating stress of rock drill.
  • It is necessary to consider the accuracy of the geometry and dimensions of the cylinder liner of the rock drill.

What is the typical process of the shank adapter?

Raw material inspection – Cutting to length – Straightening – Forging blank – Softening annealing – Machining – Heat treatment – Surface cleaning – Grinding outer circle – Anticorrosion – Packaging – Storage.

Rock DrillThreadLength
(mm)
Weight
(kg)
Flushing Hole
(mm)
Atlas Copco
BBC 43,
BBC 44,
BBC 45,
BBC 100
R323802.210
Atlas Copco
BBC 51,
BBC 52,
BBC 54,
BBC 120
R32
T38
380
390
2.9
3.4
10
10
Atlas Copco
BBC 57
T385385.614
Atlas Copco
COP 125,
COP 130,
COP 131
T383803.314
Atlas Copco
COP 1032HD
R32

T38

340

340

3.7

4.4

—

—

Atlas Copco
COP 1032
R32
R35
R38
T38
550
550
550
550
5.3
5.6
5.7
5.7
—
—
—
—
Atlas Copco
COP 1036
COP 1038HB
R32
T38T45
550
550550
4.3
4.75.3
—
——
Atlas Copco
COP 1038HD
COP 1238
R32
R38
T38
485
485
485
4.3
4.5
4.5
—
—
—
Atlas Copco
COP 1038HL
R32
T38T45
575
575575
4.9
5.26.1
—
——
Atlas Copco
COP 1238
R325004.0—
T385004.4—
R384854.2—
T384854.2
T455005.0—
R325754.9
R385755.0—
T385755.2
T385755.7
T455756.1—
Atlas Copco
COP 1432
COP 1532,
COP 1440,
COP 1838 HD, COP 1838 ME
R324353.9—
R384354.2—
T384354.2
R325254.8—
T385255.0
Atlas Copco
COP 1432,
COP 1532
R323414.7—
R383415.2
Atlas Copco
COP 1550,
COP 1838ME/HE
T385256.2—
T455256.4—
T515256.8

Atlas Copco, Boart and Furukawa

Rock DrillThreadLength
(mm)
Weight
(kg)
Flushing Hole
(mm)
Atlas Copco
COP 1550 E×,
COP 1838 E×
T3873010.1—
T4573010.5—
T5173010.7—
Atlas Copco
COP 1840HE
COP 1850
T455657.2—
T515657.4—
Atlas Copco
COP 2150PG
T5177011.2—
Atlas Copco
COP 2160E×
T4577013.2—
T5177013.3—
Atlas Copco
COP 4050E×
ST6880569.6—
Atlas Copco
COP 4050MU×
ST6883569.9—
Boart
HD 125,
HD 150,
HD 160
R384955.6—
T384955.6—
Furukawa
M 120,
PD 200
R323303.614.3
R383503.814.3
T383804.014.3
T384464.314.3
Furukawa
PD 200R
T384844.014.3
T454844.314.3
Furukawa
HD 260,
HD 300
T386557.816.0
T456557.816.0

Furukawa, Gardner—Denver, Ingersoll—Rand and Montabert

Rock DrillThreadLength
(mm)
Weight
(kg)
Flushing Hole
(mm)
Furukawa
HD 609
T386206.2—
T386906.5—
T456206.9—
Furukawa
HD 612
T457109.2—
Furukawa
HD 712
T4578811.2—
Gardner-Denver
PR 123
R323803.614.3
R383803.914.3
T383803.914.3
T453804.214.3
 Ingersoll-Rand
URD475,
URD550,
VL120,
EVL130,
VL140,
F16
R323303.614
R383503.814
T383804.014
T384464.314
 Ingersoll-Rand
YH 65,
YH 80
T385005.819
T455006.119
 Ingersoll-Rand
YH 65 RP,
YH 70 RP,
YH 75 RP,
YH80 RP,
T457008.019
Montabert
HC 40
R324473.9—
R384474.1—
T384474.1—
Montabert
HC 40
R322704.1—
R383204.4—
Rock DrillThreadLength
(mm)
Weight
(kg)
Flushing Hole
(mm)
Montabert
HC 80,
HC 90,
HC 105,
HC 120,
R324405.1—
R384405.3—
T384405.3—
T385005.8—
Montabert
H 100
T385405.614
Montabert
HC 120,
HC 150
T454905.9—
Montabert
HC 80R,
HC 120R,
HC 150R
T456708.3—
T516708.3—
Montabert
HC 200
T5184013.9—
T6084014.2—
SIG
HBM 50,
HBM 100,
HBM 120
R323403.7—
SIG
HBM 100,
HBM 120
R383404.4—
SIG
HBM 50,
HBM 100,
HBM 120
R325505.3—
SIG
HBM 101
R385004.6—
Rock DrillThreadLength
(mm)
Weight
(kg)
Flushing Hole
(mm)
Tamrock
HL 300
R324002.8—
Tamrock
HL 300S
R322452.8—
Tamrock
HL×3
R323243.8—
Tamrock
HL×3F
R322052.6—
Tamrock
L400,
L410,
L500,
L510,
L550
R323802.310
Tamrock
HL 438,
HL 538,
HLR 438L,
HLR 438T
R323803.212.7
T384003.612.7
Tamrock
HL 438LS,
HL 438TS,
HL 538,
HL 538L,
L 550S
R324504.1—
R384504.3—
T384554.3—
T385454.8—
Tamrock
HL 500-38,
HL 510-38
R325504.3—
T385504.6—
Tamrock
HL 500-45,
HL 510-45
R325505.6—
T385505.6—
T455506.1—
Tamrock
HL 500S-38,
HL 510S-38,
HL 510B,
HL 510HL
R324603.9—
R384604.1—
T384604.1—
R385004.3—
T385004.3—
Tamrock
HL 500F,
HL 510F
R323503.6—
Tamrock
HL 550 SUPER,
HL 560 SUPER,
HL 51OS-45
R385005.5—
T385005.5—
T455005.6—
Tamrock
HL× 5,
HL× 5T
R325005.4—
R385005.5—
T385005.5—
R325756.4—
T385756.5—
T455756.6—
Tamrock
HL×5 PE-45
R325756.3—
T385756.4—
Tamrock
HL 600-45,
HL 600S-45
T386006.7—
T456006.7—
R325255.9—
T385256.0—
T455256.1—
Tamrock
HL 600-52,
HL 600S-52
T456508.0—
T516508.0—
Tamrock
HL 645,
HL 645S
T386006.6—
T456006.8—
Tamrock
HL 650-45,
HL 700-45,
HL 700T-45,
HL 710-45,
HL 800T-45
T386007.3—
T456007.8—
Tamrock
HL 650-52,
HL 700-52,
HL 710-52,
HL 800T-52
T386008.3—
T456008.8—
T516008.8—
Tamrock
HL 850
HL 850S
T456709.8—
T5167010.1—
Tamrock
HL 1000-52
HL 1000S-52
T4567010.3—
T5167011.0—
T455908.7—
T515908.7—
Tamrock
HL 1000-60
T5167013.3—
T6067013.4—
Tamrock
HL 1000-80
T6067020.9—
Tamrock
HL 1000S-80
ST5863518.2—
ST6864019.1—
Tamrock
HL 1000PE-52
T5184014.2—
Tamrock
HL 1000 PE-65
HL 1500 PE-65
HL 1560 T-65
T5176016.8—
T6076016.9—
Tamrock
HL 1500-52
HL 1500T-52
T5171011.9—

Sandvik(Tamrock),Others

Rock DrillThreadLength
(mm)
Weight
(kg)
Flushing Hole
(mm)
Tamrock
HL 1500-60,
HL 1500T-60
T5176016.1—
T6076016.1—
Tamrock
HL 1500-T80
T6076022.9—
Tamrock
HL 1500-S80
ST5863518.8—
ST6863518.9—
Tamrock
HL 1500-SPE90
ST5863521.8—
ST6863521.9—
HL64118035.6—
R324103.1—

For 90 drills

LengthDiameterThreadWeight
(kg)
mmfootmm inch
3301 1/12562 1/4R32122.3

More Than 50+ Companies Have Trusted Us For Quality

We are proud to provide high-quality rock drilling tool solutions that deliver reliable performance in demanding working conditions.

Rock Tools Applications

Trusted Rock Drilling Tools for Mining, Tunneling, Quarrying, and Hydropower Construction

mining

Rock Tools in Mining

High-performance rock drilling tools for mining operations, designed to deliver fast penetration, long tool life, and lower drilling costs in hard-rock conditions.

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Reliable rock drilling tools for tunneling projects, ensuring precise excavation, safety, and efficiency across complex geological formations.

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Durable rock drilling tools for quarrying, helping you achieve clean blast holes, stable productivity, and reduced cost per meter drilled.

Rock Tools in Hydropower Project

Rock drilling tools engineered for hydropower construction, providing accurate and stable drilling for foundations, anchors, and structural support.

Quality Management Process

At Kelleg, quality control is built into every stage of production — from raw material sourcing to final inspection. Our rigorous Quality Management Process ensures stable performance, long service life, and reliable drilling results for every tool we deliver.

supplier management

Supplier Management

We carefully evaluate and monitor our raw material suppliers to ensure stable quality from the very beginning of production.

incoming material inspection

Incoming Material Inspection

All incoming steel and carbide materials are strictly inspected for composition, hardness, and dimensional accuracy before entering production.

in process inspection

In-process Inspection

Key manufacturing steps are continuously monitored and measured to ensure every part meets design tolerances and performance standards.

final product inspection

Final Product Inspection

Each finished product undergoes comprehensive testing and inspection before shipment to guarantee consistent reliability on site.

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