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| Packaging Details | Bundles | 
| Name | Hollow Stem Augers | 
| Bolt | HARDFACED LOCKBOLT | 
| Head | Cutterheads | 
| Machine | Kelly drilling rig | 
| Connection | HEX SHANK CONNECTION | 
| Cap | DRIVE CAP | 
| Subs | ROD TO CAP ADAPTER | 
| Nut | ROD BOLT AND NUT | 
| Inner Tube | CENTER ROD | 
| Bits | PILOT BIT | 
| Sampling | Split Spoon Sampling | 
| Sampler | SPT Sampler Complete | 
| Item | SPT Split Tube Sampler | 
| Model No | Octagonal Hollow Stem Auger | 
| Applications | Used For Geotechnical Applications | 
| Equipment | Automatic Trip Hammer | 
| Model | Standard Penetration Test Sampler | 
| Rods | SPT Drive Rods | 
| Brand Name | ROSCHEN | 
| Model Number | 600-2500mm drilling diameter | 
| Certification | ISO | 
| Place of Origin | CHINA | 
View Detail Information
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Product Specification
| Supply Ability | 100000 pcs | Packaging Details | Bundles | 
| Name | Hollow Stem Augers | Bolt | HARDFACED LOCKBOLT | 
| Head | Cutterheads | Machine | Kelly drilling rig | 
| Connection | HEX SHANK CONNECTION | Cap | DRIVE CAP | 
| Subs | ROD TO CAP ADAPTER | Nut | ROD BOLT AND NUT | 
| Inner Tube | CENTER ROD | Bits | PILOT BIT | 
| Sampling | Split Spoon Sampling | Sampler | SPT Sampler Complete | 
| Item | SPT Split Tube Sampler | Model No | Octagonal Hollow Stem Auger | 
| Applications | Used For Geotechnical Applications | Equipment | Automatic Trip Hammer | 
| Model | Standard Penetration Test Sampler | Rods | SPT Drive Rods | 
| Brand Name | ROSCHEN | Model Number | 600-2500mm drilling diameter | 
| Certification | ISO | Place of Origin | CHINA | 
| High Light | groundwater flex plugs ,2500mm hollow stem auger drilling ,2500mm Kelly drilling rig | ||
Hollow Stem Augers used to groundwater monitoring wells for environmental Auger Drilling
  
Hollow Stem Auger Drill Bits
 
  
We can produce the variety of drill tools.
 
  
1. Conical Rock Auger ;
 2. Flat or Butterfly Rock Auger ;
 3. Flat or Butterfly Clay Auger ;
 4. soil and rock drilling bucket;
 
 
 2. Conical Rock Auger (Single cut auger and Double cut auger)
 
 Drilling Diameter Range: 600 ~ 2500mm
 
 
  
| Hollow Stem Augers Specifications | |
| HSA I.D. | HSA O.D. | 
| 3-1/4 (83mm) 3-KEY AUGER | 6-1/2” (165mm) O.D | 
| 4-1/4 (108mm) 3-KEY AUGER | 7-5/8” (194mm) O.D | 
| 6-5/8 (168mm) 3-KEY AUGER | 10” (254mm) O.D | 
| 8-1/4” (210mm) 3-KEY AUGER | 12” (305mm) O.D | 
| 8-1/4” (210mm) 3-KEY AUGER | 14-1/4” (362mm) O.D | 
| 10-1/4 (260mm) 3-KEY AUGER | 14-1/4” (362mm) O.D | 
| 12-1/4” (311mm) 3-KEY AUGER | 415mm O.D | 
| 2-1/4” (57mm) LIGHT-FLIGHT AUGER | 4-3/8” (111mm) O.D | 
| 2-1/4” (57mm) 2-KEY STANDARD DUTY AUGER | 5-5/8” (143mm) O.D | 
| 3-1/4” (83mm) 2-KEY STANDARD DUTY AUGER | 6-1/2” (165mm) O.D | 
| 3-1/4” (83mm) 2-KEY HEAVY DUTY AUGER | 6-1/2” (165mm) O.D | 
| 4-1/4” (108mm) 2-KEY HEAVY DUTY AUGER | 8-1/4” (210mm) O.D | 
| 6-1/4” (83mm) 2-KEY HEAVY DUTY AUGER | 10-1/4” (254mm) O.D | 
| 3-1/4” (83mm) Octagonal Hollow Stem Auger | 6-1/2” (165mm) O.D | 
| 4-1/4” (108mm) Octagonal Hollow Stem Auger | 195mm O.D | 
| 6-1/4” (159mm) Octagonal Hollow Stem Auger | 10-1/4” (260mm) O.D | 
 
  
Main Applications: 
  
1. Single Cut Augers and Double Cut Augers are suitable for drilling in medium to strong rock (15 ~ 60MPa)
 2. Double Cut Augers are recommended for bigger diameters uncased boreholes.

 
 
  
2. Flat or Butterfly Rock Auger: (Single-Cut Auger, Double Cut Auger, Double Cut Auger without Rock Pilot)
 
 Main Applications:
  
1. Flat or Butterfly Rock Augers are suitable for drilling in weak fractured rock and very dense sand and gravel (Less than 5 MPa)
 
 2. Double Cut Augers are mainly used for bigger diameter uncased boreholes and secant piles.
 
 3. Double Cut Auger without rock pilot are recommended for fractured rock or moderately weak to moderately strong rock (5~50 MPa)
 
 
 
 
 
 
  
3. Flat or Butterfly Clay Auger (Single Cut Auger and Double Cut Auger)
 
 Main Applications:
 1. The Single Cut and Double Cut Augers are suitable for drilling in clay, silt and loose to medium dense sand and gravel.
 
 2. The Single Cut and Double Cut Augers with side cutters are suitable for drillin in hard clay, silt and medium to high dense sand and gravel.
 
 
 
 
 
  
4. Soil drilling bucket
  
Drilling diamter: 520mm-2500mm
 Shell length: 800mm-1500mm
 
 Material: Q345C
 
 
 Main applications:
  
1. Suitable for drillng in clay,soil and loose to medium dense sand and gravel
 2. Single bottom drilling bucket are used for clay layer
 3. Double bottom drilling bucket are mainly used for bigger diameter uncased boreholes
 
 What is the Specifications of soil drilling bucket?
  
| Drilling Dia | Shell Dia | Shell length | Bucket thickness | Teeth No | Material | 
| mm | mm | mm | mm | pcs | |
| 600 | 570 | 1200 | 16 | 4 | 16Mn | 
| 700 | 670 | 1200 | 16 | 4 | 16Mn | 
| 800 | 770 | 1200 | 16 | 4 | 16Mn | 
| 900 | 870 | 1200 | 16 | 5 | 16Mn | 
| 1000 | 970 | 1200 | 16 | 5 | 16Mn | 
| 1200 | 1170 | 1200 | 16 | 7 | 16Mn | 
| 1250 | 1220 | 1200 | 16 | 7 | 16Mn | 
| 1400 | 1370 | 1200 | 16 | 8 | 16Mn | 
| 1500 | 1470 | 1200 | 20 | 9 | 16Mn | 
| 1600 | 1570 | 1200 | 20 | 9 | 16Mn | 
| 1800 | 1770 | 1000 | 20 | 12 | 16Mn | 
| 2000 | 1970 | 1000 | 20 | 15 | 16Mn | 
 
 
 Features:
 
 1. Kelly box size as per customer's demand
 2. Bucket thickness can be made 16mm or 20mm as customer's demand
 3. The single bottom plate thickness: 50mm
 4. The double bottom plate thickness: 40/50mm
 5. Teeth type: V19 or V20

 
 
 5. Rock drilling bucket:
 
 Drilling diamter range: 520mm-2500mm
 
 Shell length: 800mm-150mm
 
 Material: Q345C
 
 
 
 
 What is the Specifications of rock drilling bucket?
  
| Drilling Dia | Shell Dia | Shell length | Bucket thickness | Teeth No | Material | 
| mm | mm | mm | mm | pcs | |
| 600 | 570 | 1200 | 16 | 8 | 16Mn | 
| 700 | 670 | 1200 | 16 | 9 | 16Mn | 
| 800 | 770 | 1200 | 16 | 11 | 16Mn | 
| 900 | 870 | 1200 | 16 | 11 | 16Mn | 
| 1000 | 970 | 1200 | 16 | 13 | 16Mn | 
| 1200 | 1170 | 1200 | 16 | 15 | 16Mn | 
| 1250 | 1220 | 1200 | 16 | 15 | 16Mn | 
| 1400 | 1370 | 1200 | 16 | 17 | 16Mn | 
| 1500 | 1470 | 1200 | 20 | 19 | 16Mn | 
| 1600 | 1570 | 1200 | 20 | 19 | 16Mn | 
| 1800 | 1770 | 1000 | 20 | 21 | 16Mn | 
| 2000 | 1970 | 1000 | 20 | 23 | 16Mn | 
  
Features:
  
1. Kelly box size as per customer's demand
 2. Bucket thickness can be made 16mm or 20mm as customer's demand
 3. The single bottom plate thickness: 50mm
 4. The double bottom plate thickness: 40/50mm
 5. Teeth type: B47K-22H/3050
  

 
 
 
 
 
 
  
FAQ
 
 1. Q: Are you a factory or trading company?
 
 A: We are a factory specialized in drilling tools manufacture for 30 years, we have enough power and experience to help you.
 
 2. Q: Can I get samples
 
 A: We can offer you one or two samples for free for you to see quality. Couriers fees on your side. This courier fees can be deducted from your first order.
 
 4. Q: Do you have office or agent in my country ?
 
 A: At present,we only have agent in India and Australia.Our agent office can help a lot in after-sale service.
 
 5. Q: What will be payment choice ?
 A: T/T:30% as deposit and 70% balance after get copy of B/L.
 B: L/C
 C: Western Union
 D: Paypal
 E: Discuss together between buyer and supplier.
  
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 For more information please contact:
 ROSCHEN INC.
 ROSCHEN GROUP LIMITED
 ROSCHEN HOLDINGS LIMITED
 
 Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
 
 WeChat: +86-137 6419 5009 ; +86-135 8585 5390
 
 WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
 
 Email: roschen@roschen.com ; roschen@roschen.net
 
 Website: http://www.roschen.com ; http://www.roschen.net
 
 http://www.roschen.cn ; http://www.roschendrill.com
 
 http://www.roschenmining.com ; http://www.roschendrilling.com
 
 http://www.roschengroup.com
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller 
Year Established:
1921 
Total Annual:
5000-2000000
Employee Number:
100~500 
Ecer Certification:
Verified Supplier 
ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine... ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine...
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