Hunan New Diamond Construction Machinery Co., Ltd.: Yueyang, Hunan, China; Main products: DTH Hammers, Drill Bits, Spare Parts

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Home > Products > Reverse Circulation RC Drill Bit > Reverse Circulation Drill Bits from China best Manufacturer

Reverse Circulation Drill Bits from China best Manufacturer

FOB Price

USD $50 - $300 / Piece

5 Pieces(Min. Order)

Port Shanghai
Payment TermsT/T Credit Card

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Product Details

Place of Origin	Hunan, China	Brand Name	New Diamond
Model Number	NRC Mic PR5 PR4	Type	Drill Bit
Machine Type	Drilling Tool	Certification	Other, ISO9001:2008
Material	Carbide	Processing Type	Forging
Use	Ore Mining

Product Description

Bit face shape selection:

1. Drop Center Bit

For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.

2. Concave Face

The all-round application bit face specifically for medium hard and homogenerous 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 the load and wear on the gauge buttons, but poor hole deviation control.

4. Double Gauge Face

This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.

5. 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.

Carbide button shape selection:

1. Domed/Round Button

2. Parabolic/Semi-Ballistic Buttons

3. Ballistic Button

4. Sharp Button

5. Flat Button

Reverse Circulation Drill Bits

Drill Bit	Bit Dia.		Air Holes No.	Gauge Buttons	Front Buttons	Weight (Kg)
Drill Bit	mm	inch	Air Holes No.	Gauge Buttons	Front Buttons	Weight (Kg)
NRC	115	4 1/2	2	8*Φ14	8*Φ13	14.00
	140	5 1/2	2	8*Φ16	8*Φ14	16.50
	165	6 1/2	2	8*Φ18	8*Φ16	24.85
MIC	133	5 1/4	2	8*Φ16	8*Φ14	17.50
	140	5 1/2	2	8*Φ16	8*Φ14	18.00
	146	5 3/4	2	8*Φ18	8*Φ14	20.00
PR5	133	5 1/4	2	8*Φ16	8*Φ14	12.50
	140	5 1/2	2	8*Φ16	8*Φ14	13.00
	146	5 3/4	2	8*Φ18	8*Φ14	13.50
PR4	115	4 1/2	2	8*Φ16	8*Φ13	14.40
	127	5	2	8*Φ16	8*Φ14	15.00
	133	5 1/4	2	8*Φ16	8*Φ14	15.50

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Hunan New Diamond Construction Machinery Co., Ltd.: Contact nameRick Liao
Chat Now; Phone0086-731-89708148; AddressMeiguiyuan, Yuelu district, Changsha city, Hunan, China, Yueyang, Hunan

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Product Categories

Back Hammers	Crown Hole Opener Bits	Cutters Bits	DTH Bits
DTH Hammers	DTH Hole Opener Bits	Eccentric Overburden Drilling Equipment	Long Shank Bits
New Products	Others	Pilot Bits	Reverse Circulation RC Drill Bit
Reverse Circulation RC Hammers	Symmetric Overburden Drilling Equipment	Thread Bits	Threaded Hole Opener Bits

Reverse Circulation Drill Bits from China best Manufacturer

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