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Construction Foundation Water Well Drill Bits , Dia 17 Inch 430mm TH12 Rock Bit

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Construction Foundation Water Well Drill Bits , Dia 17 Inch 430mm TH12 Rock Bit

Brand Name : Teamwhole

Model Number : Diameter 17Inch 430mm TH12- (IR DHD112)

Certification : ISO9001:2008

Place of Origin : Changsha,Hunan,China

MOQ : 1

Supply Ability : 5000pcs/month

Delivery Time : Shipped in 25 days after payment

Packaging Details : Dth Bits are packed by Wooden Case

Model : Diameter 17Inch 430mm TH12- (IR DHD112)

Material : Alloy Steel

Processing type : Forging

Carbides Shape : Spherical, Ballistic, Parabolic and Conical

DTH BIT Colo : Gold,Other As are available

Matched Hammer : IR DHD112 DTH Hammer

Price : Negotiation

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Diameter 17Inch 430mm TH12- (IR DHD112) DTH Hammer Bit For Construction Foundation Water Well Drilling

1. General introduction

Shank Type Bit Diameter(mm)

Bit Diameter(Inch)

 Bit Face Gauge Buttons Front Buttons

Flushing Hole
IR DHD112 381mm 15inch Concave/Flat/Drop center 18×φ19 30×φ18

3
  • 381mm Bit size also available for other 12Inch Shank bit Numa120,SD12
  • The recommended hole range for 12inch hammer is 311mm-445mm
  • Bit without foot valve available

2. Bit Face Shape Selection:

Spherical button : good wearing resistance, suited to hard ground, abrasive to very abrasive.

Parabolic button : fast penetration,suited to medium to hard rock,suitable for the mildly abrasive ground.

Conical button : fast penetration, suited for smaller diameter bits, suited for all non-abrasive ground types.

Ballistic button : fast penetration,suited to soft rock, suitable for non abrasive ground

3. Carbide Button Shape Selection:

1. Semi-Ballistic Buttons

2. Ballistic Button

3. Spherical Button

4. Two-step Button

4. Photos

Construction Foundation Water Well Drill Bits , Dia 17 Inch 430mm TH12 Rock Bit


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dth drill bits

      

rock boring bits

      
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