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Rotary Products

Secoroc rock drilling toolsSecoroc Rock Drilling Tools

The Market's Most Complete Rotary Drilling System

Atlas Copco Secoroc can now offer worldwide customers the market's most complete rotary drilling system. Our commitment is to develop, manufacture, and distribute the highest quality, most cost-effective rock drilling tools for the mining and construction drilling industry.

Atlas Copco Secoroc and Thiessen Team have individually accumulated a long and established record of providing superior rotary drill products and services. Now working together, the partnership results in products and services with unequaled market leadership.

Thiessen Team began providing fabricated rotary drill pipes, sub adapters, and roller stabilizers to the blast hole drilling industry in western Canada in the early 1970s. As a result of multiple expansions and robust business growth, their products and services are now manufactured and offered worldwide from strategic locations in Canada, Australia, Chile, South Africa, and Peru.

When this manufacturing strength is added to the industry-leading Atlas Copco drill rigs and Tricone bits, the result is a complete and reliable rotary drilling system backed by proven service.

The quality and performance of these rotary drilling products not only set new production standards but are the most cost-effective in the industry.

Consider these pioneering and innovative contributions:

  • Fully heat-treated fabricated alloy drill pipe
  • Recessed hardface wear protection in critical areas
  • Roller stabilizers with replaceable blocks and rollers
  • Economic reconditioning of drill pipes and subs
  • State-of-the-art pipe straightening equipment
  • Post heat-treated tool joints for multi-pass drilling
  • Tricone bits designed for highest productivity
drill rigs on rock formation

For customers of their industry-leading rotary drill products, Atlas Copco Secoroc also offers the market's most extensive and comprehensive support services, including regularly scheduled on-site assistance.

All this to help today's mining and construction drillers face and overcome increasingly competitive global challenges that are complicated by constantly changing requirements.

Drill Bit Grading

Examining and grading the condition of a dull rock bit when it comes out of the hole is an important field operation that is often overlooked.

At many mines the decision regarding when to change the bit is left up to the driller, with very little guidance given. This results in most bits being changed only after they have been completely worn out, and when they have been operating at low efficiency for a length of time. You can save a great deal of money by establishing a program of close examination and grading of your used bits and by applying some simple rules based on this information.

At the end of a bit's life penetration is slightly reduced as the cutting structure becomes ineffective either through breakage or wear. Bit grading provides an evaluation of the performance and dulling characteristics of the bit based on the drilling practices used. When done as a matter of routine, this simple procedure yields data that can significantly lower drilling costs and increase efficiency.

Dull bit valuations can be made quickly, but it is important that this data be gathered by someone with reasonable judgment and accuracy. Examinations include consideration of both the cutting structure and the bearings. Bit life does not need to be totally exhausted before grading occurs. The purpose of grading is to both determine the condition of the dull bit and to assess what is happening to the bit while it is in use.

The bottom line: when properly collected and recorded, data gathered from dull rock drill bits yields exceptionally valuable information about what should be done to correct unprofitable practices, including helping to choose proper bits in the future.




The Secoroc Rotary Drill String

The Secoroc Rotary Drill String


Shock Absorbing Sub Adaptors

The Smoothdrill™ and the Smoothdrive™ line of drilling shock absorbers bring several benefits to any rotary drilling operation. They not only increase penetration rate, but also enable greater drill rig availability. With significant reduction of vibrations transmitted from drill string to drill head, the need for drill head repairs decreases and also extends life of drill rig.

Smoothdrill and Smoothdrive
Smoothdrill™
Smoothdrive™

Smoothdrill™ - The original concept of Smoothdrill™ has not changed. The shock absorbing sub adaptors have been known to provide the following benefits:
  • Improved torque control
  • Longer rubber element life
  • Less maintenance - strapless design
  • Better drill string lifting control
  • Positive stops for making/breaking
    connections
  Smoothdrive™ - The new concept of Smoothdrive™ (strapless design) adds more benefits for blast hole drilling.
  • Increased penetration rate
  • Fewer drive head repairs
  • Greater drill availability
  • Extended drill life
  • Longer bit life
  • Less drill mast maintenance

Smoothdrive Model 28 exploded assembly view


Thread Saver Connection Methods

Thread Saver Connection Methods
Welded shroud
method
Welded strap
method
Square drive flange
method

Smoothdrill™ Specifications

Model Size
Load Range
(Pull Down)
Clearance Diameter
Shoulder to Shoulder Length
Assembly Weight
28
up to 150,000 lbs.
32"
32"
1800 lbs.
22
up to 85,000 lbs.
25 1/2"
29 3/8"
1000 lbs.
18
up to 60,000 lbs.
29 3/8"
29 3/8"
650 lbs.
15
up t0 35,000 lbs.
34"
34"
510 lbs.

Smoothdrive™ Specifications

Model Size
Load Range
(Pull Down)
Clearance Diameter
Shoulder to Shoulder Length
Assembly Weight
28
up to 150,000 lbs.
34"
36"
2300 lbs.
22
up to 85,000 lbs.
27"
30"
1275 lbs.
18
up to 60,000 lbs.
22"
28"
835 lbs.
15
up t0 35,000 lbs.
20"
28"
650 lbs.



Teamalloy™ Blast Hole Drill Pipes

Teamalloy™ is a unique, proprietary specification of alloy tubing used in the manufacture of premium drill pipes for blast hole drilling applications, where drill pipes with mild steel bodies have not provided best value and cost effectiveness to the drilling operation.
Body Material - Secoroc drill pipe bodies are manufactured from premium quality, heat-treated seamless Teamalloy™ tubing or Teamsteel™ pipe.   Wear Protection - Duralloy™ is recommended for the bottom section of the drill pipe.
Tool Joint Material - All pin and box end tool joints are precision machined from 4145H or 4340 heat-treated alloy steel. All tool joints are then fitted to the body using an interference heat-shrink fit that guarantees axial alignment and concentricity, and then are welded and stress-relieved. Quality Control - Secoroc stems are straight, rugged, and thoroughly reliable. Every drill pipe is carefully inspected during each manufacturing process and then again before it leaves the shop. Each drill pipe's manufacturing process is documented and certified (being traceable through our serial number system).

Standard Drill Pipe Sizes

Outside
Diameter
Wall
Thickness
Body Wt.
per Ft.
Pin/Box
Wt./set
Recommended
Connection
5"
0.500"
24 lbs.
150 lbs.
3 1/2" BECO
5"
0.750"
34 lbs.
150 lbs.
3 1/2" BECO
5 1/2"
0.500"
27 lbs.
180 lbs.
3 1/2" BECO
5 1/2"
0.750"
38 lbs.
180 lbs.
3 1/2" BECO
6"
0.750"
42 lbs.
225 lbs.
4" BECO
6 1/4"
0.500"
31 lbs.
250 lbs.
4" BECO
6 1/4"
0.750"
44 lbs.
250 lbs.
4" BECO
6 1/4"
1.000"
56 lbs.
250 lbs.
4" BECO
6 5/8"
0.864"
53 lbs.
295 lbs.
4 1/2" BECO
7"
0.500"
35 lbs.
335 lbs.
4 1/2" BECO
7"
0.750"
50 lbs.
335 lbs.
4 1/2" BECO
7"
1.000"
64 lbs.
335 lbs.
5 1/4" BECO
7 5/8"
0.500"
38 lbs.
400 lbs.
5 1/4" BECO
7 5/8"
0.750"
55 lbs.
400 lbs.
5 1/4" BECO
7 5/8"
1.000"
71 lbs.
400 lbs.
5 1/4" BECO
8 5/8"
0.750"
63 lbs.
520 lbs.
6" BECO
8 5/8"
0.906"
75 lbs.
520 lbs.
6" BECO
8 5/8"
1.000"
82 lbs.
520 lbs.
6" BECO
9 1/4"
1.000"
88 lbs.
590 lbs.
6" BECO
9 1/4"
1.250"
125 lbs.
590 lbs.
6" BECO
9 5/8"
1.500"
130 lbs.
650 lbs.
7" BECO
10 1/4"
1.250"
120 lbs.
750 lbs.
8" BECO
10 3/4"
1.000"
105 lbs.
750 lbs.
8" BECO
10 3/4"
1.250"
127 lbs.
750 lbs.
8" BECO
11 3/4"
1.250"
140 lbs.
800 lbs.
8" BECO
12 1/4"
1.000"
120 lbs.
1050 lbs.
8" BECO
13 3/8"
1.250"
162 lbs.
1275 lbs.
10" BECO
13 3/8"
1.500"
190 lbs.
1275 lbs.
10" BECO

Inquiries/How to Order -- Please specify the following:

  • Outside diameter
  • AWDS logoWall thickness
  • Shoulder-to-shoulder length of drill pipe
  • Size and type of thread connections
  • Drill rig model for break-out configuration



Drill Pipe Comparison

Drill Pipe Comparison chart
Mild Steel Body
Teamalloy™ Body


drill rig on a rock formationRotary Sub Adaptors

To connect the Tricone drill bit to the drill pipe, a wear-protected bit sub adaptor is generally used when the rock formation is relatively flat, competent, and not in need of stabilization within the hole.

In some cases (primarily softer rock formations that are dipped or result in sloughing) it is worthwhile to consider the use of a Secoroc EZ-Drill™ roller stabilizer rather than an ordinary bit sub adaptor.

 

Drill Bit Connection Options

Duralloy™
bit sub
Blade/ribbed
stabilizer*
EZ-Drill™
roller stabilizer
Drill Bit Connection Options

Duralloy™ Bit Sub Adaptor

Secoroc Duralloy™ bit sub adaptors are used when adapting from one thread to another (drill pipe to drill bit), when coupling drill pipes have the same connections on both ends, or as thread savers. Team rotary subs are manufactured from various application-specific, premium quality alloy steels. They are available in various sizes and all required thread connections.

Secoroc Duralloy
Secoroc Duralloy
Material Specification - We utilize a variety of application-specific grades of alloy steel bar in both heat-treated stress-relieved and post heat-treated conditions.
Duralloy™ Wear Protection Option - Recessed hardface wear strips or hard band wear rings with tungsten carbide hard metal overlay (63-68 Rockwell C hardness).

Types:

  • Bottom or bit subs
  • Top or spindle subs
  • Thread saver subs
  • Crossover or adaptor subs

Special Features:

  • Breakout wrench flats/slots to suit drill model
  • Post heat-treated alloy steel
  • Hard-facing or hard-banding wear protection
  • Low torque thread options
  • Neck down outside diameter

Inquiries/How to Order -- Please specify the following:

  • Type of sub adaptor
  • Shoulder-to-shoulder length
  • AWDS logoOutside diameter(s)
  • Inside bore diameter
  • Size and type of upper and lower connection (BECO or API)
  • Material specifications
  • Any special features


EZ-Drill™ Roller Stabilizers

The EZ-Drill™ roller stabilizer contains three roller assemblies, with carbide inserts for wear resistance, which provide support against the hole walls, serving to both guide the Tricone drill bit in a straight direction and pack the wall of the hole to prevent sloughing.

EZ-Drill roller stabilizer

EZ-Drill roller stabilizer

The result with EZ-Drill™, besides the straighter hole, is less caving in of the hole which leads to the following benefits:

  • Less wear on the in-hole drill string components
  • Increased productivity as less material sloughs from the hole wall
  • Less regrinding of rock falling to the bottom of the hole
  • A straighter hole, which reduces the risk of blasting problems and poor fragmentation
  • Smoother operation of the drill during the drilling operation.

EZ-Drill™ Features:

  • Efficient air delivery
  • Less air loss (bearing)
  • Smooth running
  • Low torque
  • Repairable
  • Wear protected
  • Reduced vibration
  • Straighter holes
  • Smoother bore wall
  • Alignment spacers bit leg/rollers

Inquiries/How to Order
Please specify the following:

  • Hole size
  • AWDS logoThread connections
  • Model of drill
  • Body length
  • Body diameter
  • Body fluting
  • Extra Duralloy™ wear


Repairable

Cutaway showing repairability

Available Sizes - EZ-Drill™

Hole Size
Body Diameter
S/S Length
9"
7", 7 5/8"
32" / 42"
9 7/8"
7 5/8", 8 5/8"
32" / 42" / 50"
10 5/8"
8 5/8", 9 1/4"
32" / 42" / 50"
11"
8 5/8", 9 1/4"
32" / 42" / 50"
12 1/4"
8 5/8", 9 1/4", 9 5/8", 10 3/4"
35" / 42" / 50"
13 3/4"
10 3/4", 11 3/4"
32" / 42" / 50"
15"
13 3/8"
42" / 50"
16"
13 3/8"
42" / 50"

Options - EZ-Drill™ repairable roller stabilizers are available in a variety of body lengths and diameters, as well as a complete selection of break-out wrench slot/flat configurations and thread connections.


Centeroll™ Repairable Rotary Deck Bushing

Our repairable Centeroll™ roller deck bushing is designed and manufactured by incorporating several innovations that result in the Centeroll™ being the most cost-effective roller deck bushing in the industry.

Centeroll rotary deck bushing

The standard rotary deck bushing originally developed was a vast improvement over the non-rotating friction-type deck bushing. It provided such benefits as a rotating inner sleeve for torque reduction under pull-down load and no maintenance as it is a "one time use" (throw away) design.

Unfortunately, the standard non-repairable rotary deck bushing tends to wear rapidly on the inner diameter and is consequently run to destruction in an effort to maximize cost effectiveness.

rotary deck bushing

Inquiries/How to Order
Please specify the following:

  • Drill manufacturer
  • Drill model
  • AWDS logoDeck opening diameter
  • Drill pipe diameter
  • Top flange dimensions on flange
  • Deck stop slot dimensions
  • Any special features required
  • Lifting ring

Centeroll™ Features:

  • Alloy outer housing for longer wear life
  • Mechanical ball plug system
  • Simple replacement of inner rotating sleeve
  • Fully heat-treated inner rotating sleeve
  • Repairable for economical secondary life
  • Repairable at mine workshop or ours

Centeroll™ Innovations

CenterollInitial field tests (reports available upon request) indicate that the effective first time wear of our Centeroll™ is superior to the standard rotary deck bushing products currently available. Since the Centeroll™ is also easily repairable its overall economic cost effectiveness is unsurpassed.

The Centeroll™ is designed with heat-treated alloy steel in outer housing, inner sleeve, and in ball race areas. This ensures a longer service life for the Centeroll™ compared to alternative solutions with mild steel construction.

With the possibility to replace ball plugs and ball bearings as well as inner sleeve, the deck bushings service life is prolonged far beyond that of products made of mild steel and without repairability.

Models Available for Following Drills:

  • Atlas Copco: DM25, DM30, DM45, DM50, T4BH, DML, DMM 2&3, DMH, PV271, PV 275, PV351
  • Bucyrus International: BE-35R, 45R, 47R, 49R, 55R, 59R, 60R, 61R
  • P&H/GD: GD70, GDCL90, GD100, GD120, P&H100XB, P&H120A, GD250XP, GD120A
  • Tamrock-Drilltech: D25K, D40K, D245, D45K, D50K, D55SP, D60K, D75K, D90K, 1190E
  • Terex-Reedrill: SKT, SKF, SKS

Other models on request.




Teamlube™ Bearing Lubricant

A special drilling lubricant formulated for blast hole drilling applications using an air-cooled bearing; Tricone bits and roller stabilizers.

Team Lube
cutaway

Teamlube™

  • Is environmentally safe
  • Is water soluble
  • Has high lubricity
  • Extends bit life by lubricating bit bearing areas
  • Extends roller stabilizer life by lubricating roller bearing areas

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Available in:

  • 5.2 US gallons
  • 52.8 US gallons
  • 264 US gallons (non-returnable)
  • 297 US gallons

Teamlube™ Lubricator

The Teamlube™ positive lubricator is air-operated and is time-activated. The lubricator is completely self-contained and is easy to install. The lubricator can be used to inject Teamlube™.

The pump is designed to deliver a measured amount of product with each injection to ensure a proper mixture. The pump is designed with only one moving part to ensure low maintenance.

The Teamlube™ positive lubricator is available for different drilling models and has a one-year warranty against manufacturer defects from the date of purchase on replacement parts only.

Pump Specifications:
Air supply working pressure 35 psi to 120 psi
Pump discharge pressure Four to one multiplier
Pump discharge volume 10 ml per stroke
Time Specifications:
Voltages 12 or 24 volt dc, 110 or 220 volt ac
Pump activation time 4 to 6 seconds
Pump delay time 17 to 38 seconds
Tank sizes
(shipping dimensions only)
27.5" x 24" x 30" (50 gallon)
15.5" x 12" x 18" (7.5 gallon)



Teamwrench™ Automatic Drill Pipe Wrench

Teamwrench Automatic Drill pipe wrenchFor quick and efficient automatic breaking of threaded connections in drill pipe, bit subs, and Tricone bit from drill string, the Teamwrench™ breakout wrench is the safest most versatile breakout solution available.

The full range of wrench sizes allows for the breakout of components from 3" to 15" in diameter. Each Teamwrench™ is suited to a specific drill make and model, and the diameter of the drill pipe and related drill string components utilized on that drill. The wrench can be custom designed to fit any drill rig and customer requirement.

Operation - To operate, the Teamwrench™ is simply moved from its resting position to engage the drilling components that require breaking out. The Teamwrench™ head grips the drilling component firmly and then turns the component to break the seal of the tightly threaded connection shoulder. The binding force grows with the applied torque, which in turn avoids slippage of the Teamwrench™ head on the drill pipe. There is also virtually no gouging of the component by the jaw inserts. The Teamwrench™ is operated completely from within the cab of the drill and is the very safest method of breaking out tightly threaded connections.

Adjustment to Drill String - The Teamwrench™ automatically adjusts to the diameter of the drill pipe (to compensate for drill pipe wear within the size range), grips the stem firmly, and then turns the stem. The steel jaws are hardened for long life, and the hydraulic pressure range required is from 2,000 to 3,500 PSI. Pressure is taken from the existing hydraulic system of the drill. The binding force grows with the applied torque, which in turn avoids any slippage of the wrench on the drill pipe.

The wrench can be adjusted vertically for each breakout application and automatically adjusts for eventual diameter wear of the drill string components up to 2" below original diameter of the component. The Teamwrench™ is capable of 400 mm of vertical travel to avoid wear-protected areas of drill string components. The operator does not have to leave the cabin to change drill pipes. The two valves are operated from the operator's console.

Models Available for Following Drills:

  • Atlas Copco: DM25, DM30, DM45, DM50, T4BH, DML, DMM 2&3, DMH, PV271, PV 275, PV351
  • Bucyrus International: BE-35R, 45R, 49R, 59R, 60R
  • P&H/GD: GD100, GD120, GD250XP, GD120A
  • Tamrock-Drilltech: D25K, D40K, D45K, D50K, D55SP, D60K, D75K, D80K, D90K, 1190E

New applications are being designed for other drill rig systems with varying drill pipe diameters, depending on available space on the drill deck.




Secoroc Tricone Bits

In today's competitive environment miners are demanding improved processes and equipment to add value to their mining operations. To increase efficiency and lower drilling costs, blast hole rigs are expected to deliver more and more energy to the drill bit. As a result, drill bits must be carefully designed and manufactured to not compromise the productivity and efficiency of increasingly complex and expensive drilling systems. Bits have become an even more critical and vital component in this process.

Secoroc HDNT and MAGNT - Time-Tested Technology that Makes a Difference

Secoroc bitTo develop our time-tested products further, major manufacturing facility investments in plant, equipment, and research and development have been made in the Secoroc Tricone bit product offering.

Add to that the concept of "Lean" and "Flow"- orientated manufacturing techniques, and the end result is MAGNT and HDNT replacing the former MAG and HD product lines.

NT means manufacturing bits using new state-of-the-art machine tools with an obsessive dedication to quality, the elimination of waste, and maximum throughput efficiency.

Investment, Lean, Flow, Quality... New Technology...NT.


Designed Cutting Structures
- The carefully designed cutting structures of the Secoroc HDNT and MAGNT bits are engineered to contribute to higher penetration rates and increased bit life. Redesigned gauge and transition areas are stronger, minimizing tooth breakage. Tungsten carbide grades are tailored to handle abrasive as well as hard formation environments. The HDNT also features a variety of carbide tooth shapes designed to enhance penetration rates in harder and tougher formations. The MAGNT features redesigned lugs, allowing quicker evacuation of cuttings from the bit. The tungsten carbide inserts resist wear and breakage in abrasive environments.

Increased Shirttail Thickness - The Secoroc HDNT and MAGNT Tricone bits feature increased shirttail thickness to enhance bearing life and help prevent early exposure of the outer bearings. The result is increased performance and longer bit life. Bearing elements and the cone mouth have also been redesigned so that the cones are better balanced and there is improved distribution of cutting forces to permit increased speed and higher weight on bit (WOB) levels.

Contoured Shirttail - The contoured shirttail design permits maximum evacuation of cutting materials while minimizing the amount of cuttings packed into the bearing.

Increased Cone Overhang - The Secoroc MAGNT and HDNT have increased cone overhang between the lug and the hole wall. This design permits easier evacuation of cuttings and results in less shirttail lip erosion. Bearing life is increased due to reduced frictional drag against the hole wall, which also lowers the bit's overall torque requirements.


Secoroc Epsilon - Turning Science into Productivity

Secoroc Epsilon bitsAtlas Copco Secoroc product development engineers have spent years studying specific applications in order to optimize drill bit performance. Using the latest 3D design and engineering tools, including Finite Element Analysis, in combination with decades of field experience, they developed the Secoroc epsilon line of Tricone bits, now regarded as the ultimate blast hole bit solution.

These premium choice bits are designed specifically for each application. For example, softer applications with higher penetration rates require drill bits with improved cutting structures and carbide cutters that are both wear and fracture-resistant. Bearings must be designed to handle increased loads and the higher cutting speeds associated with today's challenging blast hole drilling environments.

To meet these requirements, Secoroc epsilon bits feature an improved cutting structure, with wear and fracture resistant tungsten carbide inserts, designed to maximize penetration rates. Bearings are refined and strengthened. In fact, all aspects of Secoroc epsilon bits have been carefully engineered to maximize productivity and lower total drilling costs.

  • Optimized cutting structure and bearing geometry to distribute load
  • More uniformly distributed load over bearings - smoother bit performance, sustained penetration rate over longer periods of time, reduced risk of bearing failure
  • Streamlined lug manages larger drill cuttings - higher penetration rate, less regrinding of cuttings to smaller pieces, less bit wear
  • Full body armor minimizes wear on bit body and shirttail