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Impregnated Diamond Bit And Reaming

NWL HD Reaming Shells

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NWL HD Reaming Shells

As one of the main manufacturers for diamond geological tools in China, our company has excellent product design, international advanced pressure-less sintering process, fully imported raw material, precise processing equipment, senior expert in powder metallurgy field and strict quality control. The company carries out design and customization as per different customers' demands to meet drilling demands at various levels.

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Product description

Performance Description

Drill Bit Selection

Casing Shoe, Rod Shoe

Impregnated Diamond Bit and Reaming Shell(PAU, HAU, NAU, BAU and TW Series)

Description of PAU HAU NAU BAU and TW series of diamond products:

As one of the main manufacturers for diamond geological tools in China, our company has excellent product design, international advanced pressure-less sintering process, fully imported raw material, precise processing equipment, senior expert in powder metallurgy field and strict quality control.We carries out design and customization as per different customers' demands to meet drilling demands at various levels.

Synthetic impregnated diamond bit: equivalent to a grinding wheel, diamond and matrix powder are made into a sintered body through powder metallurgy. When diamond is worn out or abraded, the matrix body is exposed synchronously. Therefore, a new sharp diamond exposes out of the matrix body again to keep the drilling bit cutting into rock at high speed.

Height of the impregnated layer refers to the height of the matrix body where the impregnated diamond bit crown contains diamond work layer. Our company can provide diamond bits with impregnated matrix height from 9mm to 20mm as per customers' demands. The regular matrix height is 12mm.

Shapes of drilling bits can be divided into drilling bits in standard, wedged and semicircle shapes; shapes of impregnated diamond bit waterway can be divided into standard, wedged and turbo type.

Sizes available for diamond bits and reaming shells

BAU, NAU, HAU, PAU, NAU3, HAU3, PAU3

Equal to BQ NQ HQ PQ NQ3 HQ3 PQ3

T2, T6 series of conventional sizes:

T2-56, T2-66, T2-76, T2-86, T2-101

T6-76, T6-86, T6-101, T6-116, T6-131

Founded in july 11, 2019 with a registered capital of 50 million yuan ( usd7.1 million), a holding company of china geological equipment group, au-prospecting (apr) drilling tools (wuxi) co., Ltd is located in huishan economic development zone.
we have a workforce in-excess of 100 employees, comprising r&d, technicians and specialist operators. Apr drilling tools areas of expertise is in the r7d of drilling technology, manufacture of all in-hole tools to serve the drilling industry and its accessories: diamond &carbide tools, technical services & consulting including technology transfer.

Au-Prospect Drilling Tools is a china supplier/ manufacturer of reaming shell manufacturer,we have a high-tech work shop. We have a complete quality management system. Choose us, you can be get most careful and thoughtful service!

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How to Use and Maintain the Drill Bit Properly

Product Series	Product name	Product specifications	Product code	Product Size	Product appearance color system	Note	Performance description
Reaming Shell	Surface-set	BAU SS	20610101	OD=60 mm	Orange white	BAU Surface-set Reaming shell	High-quality natural diamond + polycrystalline + high wear resistance matrix, durable and satisfactory drilling time
		NAU SS	20610201	OD=75.7 mm		NAU Surface-set Reaming shell
		HAU SS	20610301	OD=96.2 mm		HAU Surface-set Reaming shell
		PAU SS	20610401	OD=122.7 mm		PAU Surface-set Reaming shell
		BTW SS	20610501	OD=60 mm		NTW Surface-set Reaming shell
		NTW SS	20610601	OD=75.7 mm		BTW Surface-set Reaming shell
	Impregnated	BAU Imp	20620101	OD=60 mm	Orange	BAU Impregnated Reaming shell	High-quality synthetic diamond + polycrystalline + high wear resistance matrix, long service life
		NAU Imp	20620201	OD=75.7 mm		NAU Impregnated Reaming shell
		HAU Imp	20620301	OD=96.2 mm		HAU Impregnated Reaming shell
		PAU Imp	20620401	OD=122.7 mm		PAU Impregnated Reaming shell
		BTW Imp	20620501	OD=60 mm		BTW Impregnated Reaming shell
		BTW Imp	20620501	OD=60 mm		BTW Impregnated Reaming shell
		NTW Imp	20620601	OD=75.7 mm		NTW Impregnated Reaming shell
		NTW Imp	20620601	OD=75.7 mm		NTW Impregnated Reaming shell
Diamond bit	Surface-set	BAU SS	20650101	∅59.6 mm * ∅36.4 mm	Orange white		High-quality natural diamond + polycrystalline + high wear resistance matrix, durable and satisfactory drilling time
		BAU SS	20650101	∅59.6 mm * ∅36.4 mm
		NAU SS	20650201	∅75.3mm * ∅45.1 mm
		NAU SS	20650201	∅75.3mm * ∅45.1 mm
		HAU SS	20650301	∅95.6mm * ∅63.5 mm
		HAU SS	20650301	∅95.6mm * ∅63.5 mm
		PAU SS	20650401	∅122.1 mm * ∅85 mm
		PAU SS	20650401	∅122.1 mm * ∅85 mm
		BTW SS	20650501	∅59.6 mm * ∅42 mm
		BTW SS	20650501	∅59.6 mm * ∅42 mm
		NTW SS	20650601	∅75.3mm * ∅56 mm
		NTW SS	20650601	∅75.3mm * ∅56 mm
	Impregnated	BAU Imp(C=12) A12	20660101	∅59.6 mm * ∅36.4 mm	Orange	BAU Impregnated bit 12#	Standard nozzle, drilling into hard formation
		NAU Imp(Turbo)15AC	20660201	∅75.3mm * ∅47.6 mm		NAU Turbo 15AC	The main nozzle design and the special soft matrix are suitable for drilling into hard formations and improving the drilling time efficiency.
		NAU3 Imp(FD)A10	20660202	∅75.3mm * ∅45.1 mm		NAU3 FD 10#	Bottom water jet design, medium-hard matrix, suitable for drilling into medium-hard formations, with high core extraction rate.
		NAUTT Imp(C=12)A8	20660203	∅75.3mm * ∅45.1 mm		NAUTT Impregnated FD bit 8#	Rectangular water fundus spray design, medium-hard matrix, suitable for drilling into medium-hard fractured formations.
		HAU Imp(C=12)A8	20660301	∅95.6mm * ∅63.5 mm		HAU Impregnated drill 8#	Standard nozzle, drilling into medium-hard formations
		HAU Imp(C=12)A10	20660302	∅95.6mm * ∅63.5 mm		HAU Impregnated bit10#	Standard nozzle, drilling into medium-hard formations
		HAU3 Imp(FD C=12)A10	20660303	∅95.6mm * ∅61.1 mm		HAU3 Impregnated FD bit 10#	Bottom water jet design, drilling into medium-hard formations
		HAU3 Imp(Deep groove C=12)A10	20660304	∅95.6mm * ∅61.1 mm		HAU3 Impregnated deep groove FD bit 10#	Deep internal waterway design, drilling into broken medium-hard-hard formations
		PAU Imp(C=9)A4	20660401	∅122.1 mm * ∅85 mm		PAU Impregnated bit 4#	Drilling into broken soft ground
		PAU3 Imp(FD C=12)A8	20660402	∅122.1 mm * ∅83 mm		PAU3 Impregnated FD bit 8#	Bottom water jet design, drilling into medium-hard formations
		BTW Imp(C=12)15AC	20660501	∅59.6 mm * ∅42 mm		BTW Impregnated bit 15AC	Drilling into hard formations
		NTW Imp(C=12)A6	20660601	∅75.3mm * ∅56 mm		NTW Impregnated bit 6#	Drilling into soft formations
		NTW Imp(Turbo C=12)15R	20660602	∅75.3mm * ∅56 mm		NTW Turbo bit 15R	The main nozzle design and the special soft matrix are suitable for drilling into hard formations and improving the drilling time efficiency.

Casing shoes	AW	20670101	∅59.56*∅48.26
	BW	20670201	∅75.31*∅60.2
	NW	20670301	∅91.82*∅76
	HW(CDDA)	20670401	∅117.48*∅99.7
	HW(DCDMA)	20670501	∅117.48*∅100.97
	HWT(CDDA)	20670601	∅117.48*∅99.7
	HWT(DCDMA)	20670701	∅117.48*∅100.97
	PW	20670801	∅143.58*∅123.3
	56mm	20670901	∅56*∅47
	76mm	20671001	∅76*∅67
	86mm	20671101	∅86*∅77
	101mm	20671201	∅101*∅87.5
	131mm	20671301	∅131*∅118
Rod shoes	BQ/BT	20680101	∅56.56*∅45.21
	NQ/NT	20680201	∅75.31*∅60.2
	HQ/HT	20680301	∅91.82*∅76.0
	PQ/PT	20680401	∅120.66*∅101.22

Attention here, "Q" is the trademark of Boart Longyear, here we quoted "Q" is only for helping introduce this system to customers worldwide for better understanding, if there is any thought violation of the trademark, please contact us free to cease any further use of "Q" as a quote.

Casing shoes
Specification	Outer diameter		Inner diameter		Note
Specification	Imperial	Metric	Imperial	Metric
AW	2.345	59.56	1.900	48.26	HD
BW	2.965	75.31	2.370	60.20	HD
NW	3.615	91.82	2.992	76.00	HD
HW(CDDA)	4.625	117.48	3.925	99.70	HD
HW(DCDMA)	4.625	117.48	3.975	100.97	HD
HWT(CDDA)	4.625	117.48	3.925	99.70	HD
HWT(DCDMA)	4.625	117.48	3.975	100.97	HD
PW	5.653	143.58	4.855	123.30	HD
56mm	2.205	56.00	1.850	47.00	HD
76mm	2.992	76.00	2.638	67.00	HD
86mm	3.386	86.00	3.031	77.00	HD
101mm	3.976	101.00	3.445	87.50	HD
131mm	5.157	131.00	4.646	118.00	HD

Drill shoes
Specification	Outer diameter		Inner diameter		Note
Specification	Imperial	Metric	Imperial	Metric
BQ/BT	2.345	56.56	1.780	45.21	HD
NQ/NT	2.965	75.31	2.370	60.20	HD
HQ/HT	3.615	91.82	2.992	76.00	HD
PQ/PT	4.750	120.66	3.985	101.22	HD