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Water Well Drilling SD12 Down Hole Hammer Drill Bits 381mm / 15 Inch Diameter
Water Well Drilling SD12 Down Hole Hammer Drill Bits 381mm / 15 Inch Diameter
Specifications
Brand Name :
Teamwhole
Model Number :
SD12-381mm(15Inch)
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 Woodens outer side, and Cartons inner side.
Model :
SD12-381mm(15Inch)
Material :
Alloy Steel
Processing type :
Forging
Carbides Shape :
Spherical, Ballistic, Parabolic and Conical
DTH BIT Colo :
Gold,Other Color Like Red , Blue , Black , Yellow Are available
Bit Diameter :
305mm to 445mm
Matched Hammer :
SD12 DTH Hammer
Appliance :
Down The Hole Drilling,Mining,Quarry,Water Well Drilling
Price :
Negotiation
Description

SD12-15"(381mm) For Water Well , Foundation ,Construction Drilling

1. SD12-381MM Bit specification

Shank Type Diameter Bit Face Gauge Buttons Front Buttons Side tips Flushing Hole Weight
SD12 381mm/15" Concave 18*19mm30 30*18mm 21*16mm 3 194

2. Other DTH bit size for SD12 DTH hammer

Air Gauge Button dia. mm Weight
Diameter holes buttons
mm inch gauge front Kg lb
SD 12
Concave face / Spherical button
302 11 3 12 18 18 171,0
311 12 3 12 18 18 172,0
330 13 3 12 18 18 181,0
357 14 3 18 18 18 191,0
381 15 3 18 18 18 200,0
444 17 3 18 18 18 225,0
483 19 3 18 18 18 280,0
508 20 3 18 18 18 306,0

3. Bit Face Shape Selection:

1) Drop Center Bit

----For high penetration rates in soft to medium hard and fissured rock formations.

2) Concave Face

----The all-around application bit face specifically for medium hard and homogeneous rock formations. Good hole deviation control and good flushing capacity.

3) Convex Face

----For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce theload and wear on the gauge buttons, but poor hole deviation control.

4) Flat Face Bit

----This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.

4. Carbide Button Shape Selection:

1. Semi-Ballistic Buttons

2. Ballistic Button

3. Spherical Button

4. Two-step Button

Water Well Drilling SD12 Down Hole Hammer Drill Bits 381mm / 15 Inch Diameter

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Water Well Drilling SD12 Down Hole Hammer Drill Bits 381mm / 15 Inch Diameter

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Product Detail
Brand Name :
Teamwhole
Model Number :
SD12-381mm(15Inch)
Certification :
ISO9001:2008
Place of Origin :
Changsha,Hunan,China
MOQ :
1
Supply Ability :
5000pcs/month
Contact Supplier
Water Well Drilling SD12 Down Hole Hammer Drill Bits 381mm / 15 Inch Diameter

Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Active Member
9 Years
ningxia, jinzhou
Since 2002
Business Type :
Manufacturer
Main Products :
DTH Drilling Tools, DTH Drill Bit, Down The Hole Hammer
Total Annual :
10Million-50Million
Employee Number :
201~300
Certification Level :
Active Member
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