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500mm Dia SD12 Down Hole Hammer Drill Bits Corrosion Resistant Alloy Steel

500mm Dia SD12 Down Hole Hammer Drill Bits Corrosion Resistant Alloy Steel

500mm Dia SD12 Down Hole Hammer Drill Bits Corrosion Resistant Alloy Steel

Product Details:

Place of Origin: Changsha,Hunan,China
Brand Name: Teamwhole
Certification: ISO9001:2008
Model Number: Diameter 500mm SD12

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Negotiation
Packaging Details: dth bits are packed by Woodens outer side, and Cartons inner side.
Delivery Time: Shipped in 25 days after payment
Supply Ability: 5000pcs/month
Detailed Product Description
Model: Diameter 500mm SD12 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 Matched Hammer: SD12 DTH Hammer
Machine Type:: Drilling Tool Formation:: Hard Rock, Middle Hard Rock, Soft Rock

Diameter 500mm SD12 Down The Hole DTH drill button Bits For Water Well Piling Foundation Drilling

 

The drill bits offered by Tianhe Drilling are manufactured to the most stringent standards, using high quality materials to provide you with a reliable, high performance cutting edge for your drilling equipment.

 

1. General introduction

Shank Type Bit Diameter(mm)

Bit Diameter(Inch)

 

 

Bit Face Gauge Buttons Front Buttons

Flushing Hole

SD12 500 19 5/8 Concave/Flat/Drop center 18×φ19 87×φ18

 

6

 

  • 508mm size of bit is mainly recommend to 14inch hammer.
  • Oversize of bit can be produced according to customer's need

 

2. 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.

 

 

3. Carbide Button Shape Selection:

1. Semi-Ballistic Buttons

2. Ballistic Button

3. Spherical Button

4. Two-step Button

 

4. Photos

500mm Dia SD12 Down Hole Hammer Drill Bits Corrosion Resistant Alloy Steel

 

Contact Details
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Contact Person: Ms.chen

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