Diamond PDC Core Drill Rock Bits 6 7/8 Inch for Hard Stone Water Well Drilling

• Manufacturing Process: CNC Milling
• Surface Treatment: Polishing
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Transport Package: Wooden Box
• Trademark: ROSCHEN
• Model NO.: PDC Core Drill Rock Bits
• Origin: China
• HS Code: 84314320
• Production Capacity: 500000

Product Description

Diamond PDC Core Drill Rock Bits for wholeSale


diamond pdc core drill rock bits  for sale


Product Description

1. Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on 
bit is balanced that. 
resulting better stability of the bit. 
2. Main cutter are high performance PDC cutters to insure service life of the bit while improving ROP.
3. Cutter exposure is optimized to insure the bit can achieve higher ROP is soft to medium formations.
4. Shock absorbers are designed to make the bit capable of drilling through formations with hard strigers.
5. Hydraulic system of the bit is optimized using dynamic flow pattern simulation technology to enhance 
cleaning and cooling effects of the bit to effectively prevent bit from balling.    
 

Inch	MM	AP(thread)	Body type	Blades
4inch	101.6mm	2 7/8inch	steel body    Matrix body	3 blades          4 blades          5 blades          6 blades          7 blades
4 1/2inch	114.3mm
4.5/8inch	117.5mm
4 3/4inch	120.5mm
5 1/8inch	130.2mm
5 1/4inch	133.4mm
5 3/4inch	146mm
5 7/8inch	149.2mm	3 1/2	steel body    Matrix body	3 blades          4 blades          5 blades          6 blades          7 blades
6inch	152.4mm
6 1/8inch	155.6mm
6 1/4inch	158.7m
6 11/32inch	161mm
6 1/2inch	165.1mm
6 3/4inch	171.4mm
7 1/2inch	190.5mm	4 1/2	steel body    Matrix body	4 blades          5 blades          6 blades          7 blades          8 blades
7 5/8 inch	193.7mm
7 7/8 inch	200mm
8 3/8 inch	212.7mm
8 1/2 inch	215.9mm
8 3/4 inch	222.3mm
9 11/64 inch	233mm
9 1/2 inch	241.3mm	6 5/8	steel body    Matrix body	4 blades          5 blades         6 blades         7 blades           8 blades
9 5/8 inch	244.5mm
9 7/8 inch	250.8mm
10 1/2 inch	266.7mm
10 5/8 inch	269.9mm
11 inch	279.4mm
11 5/8 inch	295.3mm
12 inch	304.8mm
12 1/4 inch	311.1mm
13 3/4 inch	349.25mm	7 5/8	steel body    Matrix body	5 blades            6 blades          7 blades
14 3/4 inch	374.65mm	7 5/8
15 1/2 inch	393.7mm	7 5/8
17 1/2 inch	444.5mm	7 5/8