Specifications

Sandstone drill bits
1.Stable quality
2.Fast speed
3.Long life working
4. ISO certificated

PDC drill bits  

 1. Stable quality 

2. Fast speed 
3. Long life working 
4. ISO certificated

 Introduction of Partner 

 

We Zhengzhou partner are specialized in all kinds of diamond core drill bits. And we always adheres to " customer oriented, reputation first, leading quality and first-class service" for the business philosophy. 

 

Main products 

 

a. Impregnated core drill bits

b. PDC drill bits 
c. Thin walled drill bits

 

Advantages of our products 

 

 

a. Stable quality: We adhere to the implementation of ISO9001:2008, Strict quality control is doing in every aspect of production. Customer satisfaction is our goal.

b. Full range of products: Chosen imported and domestic Top-quality Diamond. We have Q series, T2 series drill bits etc to meet  the  different requirment of customers.  

c. Delivery timely: We have annual production capacity of six hundred thousand pieces and have the professional group to provide the higher and all day services to make sure the customer can contact us at any time and make sure to ship the goods timely.

 

 

Specifications 

 

Impregnated  Diamond bits  classification  table	classification	Grade	Working  layer height	Technology  Characteristics	Application
	Z type	Common	7mm	Common  polycrystalline  diameter  protection	Hole depth less  than one thousand  and five hundred
	Q type	Common /high  quality	9mm	Common  polycrystalline diameter  protection	Hole depth less  than two kilometers
	F type	Common /high  quality	13mm	Large particles  diamond,  polycrystalline  diameter  protection	Hole depth less  than two kilometers
	A type	High  quality	20mm	Large particles  diamond,  polycrystalline  diameters  protection	Hole depth more  than two kilometers
	G type	Common	6mm	Thin wall,  fast speed	Engineering survey

 

ITEM	DIAMOND BIT					REAMING SHELL
"Q" Series Wireline	Size	Bit-set OD		Bit-set ID
		mm	inch	mm	inch	mm	inch
	AQ	47.6	1.88	26.97	1.06	48	1.89
	BQ	59.5	2.35	36.4	1.43	59.9	2.36
	NQ	75.3	2.97	47.6	1.88	75.7	2.98
	HQ	95.58	3.77	63.5	2.5	96	3.78
	PQ	122	4.8	84.96	3.35	122.6	4.83
Swedish Metric T2 Series	36	36	1.417	22	0.866	36.3	1.429
	46	46	1.811	32	1.26	46.3	1.823
	56	56	2.205	42	1.654	56.3	2.217
	66	66	2.598	52	2.047	66.3	2.61
	76	76	2.992	62	2.441	76.3	3.004
	86	86	3.386	72	2.835	86.3	3.398
	101	101	3.976	84	3.307	101.3	3.988

 

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