Delivery Time:25 days
Certification:CE

High Speed Core Drill Bits / Impregnated Diamond Core Bits HQ , 95.76/95.38 mm
 
 

Diamond core bits HQ core drill bits ,

 
“SINODRILLS” brand has a high reputation in and out of China.
 
The main crown technical parameters of  impregnated diamond core bits include diamond 
grade,size,concentrarion and quality,matrix hardness and crown shapes.The users can make rational 
selections according to the formations to be drilled.
To avoid excessive bit wear, tungsten carbide inserts are used on both sides on the waterway,and gage 
stones are a bit large.Impregnated Diamond Core Bit is made with high quality synthetic diamonds, mixed 
evenly through a metal alloy matrix. It can drill various formations from the softest to hardest rocks.
 

Specifications:

 
 
 HQ Diamond impregnated  Core Bit
 

1.good quality and long working life

2.over 10 years experiences

3.fast speed

4.reasonable price

Features: 

 
1.Significantly outperforms the successful Series range in drilling speed and bit life.
 

2. Protects the diamond from oxidation and surface degradation.
 

3. Inhibits the premature \"pull-out\" of the diamond.
 

4. Available in multiple standard configurations and selected on the basis of relative rock hardness and ground conditions.
 
 

Size Available: 

ITEM	DIAMOND BIT	REAMING SHELL
\"Q\" Series Wireline	Size	Bit-set OD	Bit-set ID
mm	inch	mm	inch	mm	inch
AQ	47.60	1.88	26.97	1.06	48.00	1.89
BQ	59.50	2.35	36.40	1.43	59.90	2.36
NQ	75.30	2.97	47.60	1.88	75.70	2.98
HQ	95.58	3.77	63.50	2.50	96.00	3.78
PQ	122.00	4.80	84.96	3.35	122.60	4.83
Swedish Metric T2 Series	36	36.0	1.417	22.0	0.866	36.3	1.429
46	46.0	1.811	32.0	1.260	46.3	1.823
56	56.0	2.205	42.0	1.654	56.3	2.217
66	66.0	2.598	52.0	2.047	66.3	2.610
76	76.0	2.992	62.0	2.441	76.3	3.004
86	86.0