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BQ NQ HQ PQ Drill Round Steel Rod Diamond Core Drill Tools For Concrete Mining

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Hi Yaheng,your quality is much better than my expected! ----Peit

—— Peit Holton

Your bits and reamers work very well,thank you! --------Prostov

—— Prostov

สนทนาออนไลน์ตอนนี้ฉัน

BQ NQ HQ PQ Drill Round Steel Rod Diamond Core Drill Tools For Concrete Mining

ประเทศจีน BQ NQ HQ PQ Drill Round Steel Rod Diamond Core Drill Tools For Concrete Mining ผู้ผลิต

ภาพใหญ่ :  BQ NQ HQ PQ Drill Round Steel Rod Diamond Core Drill Tools For Concrete Mining

รายละเอียดสินค้า:

Place of Origin: China
ชื่อแบรนด์: Yaheng
Model Number: Drill Rod

การชำระเงิน:

Minimum Order Quantity: 10
ราคา: usd dollar 60~130 per piece
Packaging Details: Tied up by steel belt with plastic sleeve for screw thread part
Delivery Time: 3 working days
Payment Terms: L/C, T/T, Western Union
Supply Ability: 10000 piece per month
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รายละเอียดสินค้า
Steel Material: High quality alloy steel Length: 3 Meters
Size: AQ BQ NQ HQ PQ Thread Protection: Plated and plastic sleeve
Use: Ore drilling or Well drilling

Custom heat-treated  BQ NQ HQ PQ  NWJ Drill Pipe Casing For Mining   , Core Barrel

 

Characteristic: 

1. With highly and strength of resistance on the bending, welding fixed. 

2. Highly efficiency on production and steady quality 

3. It able to keep the hole straight and with long use time. 

 

Size Available:

 

"Q" Series: BQ, NQ, HQ, and PQ.

"WJ" Design: AWJ, BWJ, NWJ, KWJ, HWJ

"W" Design: RW, EW, AW, BW, NW, HW

Metric Series: 33, 42, 50

We also can produce various sizes of casing tubes

Size Available:

"W" Design: RW,EW,AW,BW,NW,HW,PW,SW,UW,ZW/HWT,PWT

Metric Series: 46, 56,66,76,86,101,116,131,146

"X" Design: RX, EX, AX, BX, NX, HX, PX, SX, UX, ZX

All Chinese sizes.

 

 

Raw materials:

 

We choose the best steel tubes in the market to manufacture our drill rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.

Based on the depth of drill bore, Q series wireline core drill rods are classified into A and B grades. A grade drill rod is entire-length or ends thermal processed and B grade drill rod is entire-length processed.

Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)

 

 

Heat treatment control:


Heat treatment will greatly improve the material strength and increase the thread wear life of the

rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body. After

heat treatment, strength, hardness, straightness and concentricity of the treated tubes will be tested

in our lab.

 

Thread opening process:


Accuracy of threads will determine the use effects and life time of drill rod and casings.
CNC latches and form cutter are used in thread opening processing to minimize error made by

anthropic factors.

 

Additional thread treatment:


Surface of the threads will be cleaned to remove burr adhered after threads are opened.
Afterwards, the tread surface will be phosphated to improve surface conditions.

 

Item

OD(mm)

ID(mm)

Wall Thickness(mm)

Length(m)

NQ Rod

69.9

60.3

5

3

HQ Rod

88.9

77.8

5.5

3

PQ Rod

114.3

103.2

5.5

3

50 Rod

50

37

 6.5

3

 

รายละเอียดการติดต่อ
Wuxi Yaheng Geological Equipment Technical Co., Ltd.

ผู้ติดต่อ: Mr. Yu

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