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Coal Mining Rock Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom

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Coal Mining Rock Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom

Coal Mining Rock Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom
Coal Mining Rock Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom Coal Mining Rock Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom

Large Image :  Coal Mining Rock Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom

Product Details:
Place of Origin: China
Brand Name: ShiTan
Certification: ISO9001
Model Number: H22
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Standard export package
Delivery Time: Within 7-12 days
Payment Terms: L/C, D/A, T/T, Western Union
Detailed Product Description
Parts Name: Integral Drill Rod Material: Carbon Steel
Application: Coal Mining Processing Type: Forging
Machine Type: Drilling Tool Color: Custom
High Light:

integral drill rods

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mining drill rods

Coal Mining Rock Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom

 

 

Tapered drill rod is a further development of the integral drill rods. It usually has a forged collar to maintain the proper shank striking face position in the rock drill. Tapered drill rods effective lengths are measured from the collar to the bit end,which are usually from 0.6 meters to 3.6 meters.

 

Hex tapered hollow drill rods for rock drill for jack hammer rock drill YT24,YT27,YT28,YT29A,S82 etc


Effective lengths: 400mm ~ 8000mm;
Taper degrees: 4°46’, 6°, 7°, 11°, 12°;
Shank sizes: Hex.19mm,Hex. 22mm, Hex.25mm;
Other lengths are available upon request.

 

1. The ordinary connection taper degree is 7º, 11º and 12º, other degrees like 4.8º, 6º and 9º are also available upon request;

2. The ordinary shank is Hex22 × 108mm, Hex25 × 159mm and other styles are also available if upon customers’ request;

3. The rod length must be specified in order;

4. In order to adapt to different rock conditions, the drill rod is selected by users.

 

Characteristics

 

Hex22mm / Hex25mm Rock Tapered Drill Rod , Blast Hole Drilling Tapered Rod

Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Different taper sizes have different characteristics when it comes to the “knock-off” index – the smaller angle will prevent the bit from spinning.
 

1. Excellent comprehensive mechanical properties

2. High connection strength and sealability

3. High fatigue strength and long fatigue life

4. Good flushing effect to ensure high drilling rate

5. Steel grade: 95CrMo equivalent to SANDBAR 61.

6. Shank size: hex.22mm×108mm, hex.22mm×159mm.

hex.22mm×80mm, hex.25mm×108mm. hex.25mm×159mm.

7. Taper: 6, 7, 11, 12 degree etc.

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

9. Highly efficiency on production and steady quality.

10 It’s able to keep the hole straight and with long use time.

 

Types of drill rods

Specifications

Length(mm)

Shank

Weight (kg)

Tapered drill rods

Taper Angle: 4, 6, 7, 11, 12 degree

400mm to 8000mm

Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm

1.7 - 24.9

Integral drill steel

Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm

400mm to 4800mm

3 – 15.4

Plug hole rods

Chisel bit diameter: 17mm, 20mm, 22mm

150mm to 710mm

0.6 - 2.9

 

Contact Details
Jinzhou City Shitan Machinery Equipment CO. LTD.

Contact Person: Anna

Tel: 86-15630441112

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