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Extention Hollow Tapered Drill Rod
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Description:

Our factory can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods, mainly used for mining, coal cutting, tunneling, rock cutting in quarrying.

Our factory can provide various types of drill bits, including chisel drill bit, cross drill bit, conical drill pipe and integral drill pipe, mainly used in mining, coal cutting, tunneling, quarry rock cutting.

The monolithic bit steel is used for hand-held rock drills for underground mining and small hole drilling, equipped with small powered rock drills such as air leg rock drills, hand-held rock drills, etc.

Conical drill pipe can be used with multiple drill bits to drill different diameters of blasting holes.It also has the advantages of no need to scrape after bit wear, simple maintenance, low price and low drilling cost per meter.maintenance, low price, low cost of drilling each meter, etc.

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Product Detail
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Specifications
Model Taper Degree Drilling Rod Length Shank Size
Hex.19mm 4°46″, 6°, 7°, 11°, 12° 0.4m-4.0m 83mm,108mm
Hex.22mm 4°46″, 6°, 7°, 11°, 12° 0.8m-6.0m 83mm,108mm
Hex.25mm 4°46″, 6°, 7°, 11°, 12° 0.8m-6.0m 108mm,159mm
Shank(mm) Length(mm) Bits Dia D(mm) Weight(kg)
11 Series
Hex22x108 800 34 3
1600 33 5.5
2400 32 8
4800 29 15.4
12 Series
Hex22x108 800 40 3
1600 39 5.5
2400 38 8
3200 37 10.5
4000 36 12.9
4800 35 15.4
13 Series
Hex22x108 400 34 1.8
800 33 3.1
1200 32 4.3
1600 31 5.5
2000 30 6.7
16 Series
Hex22x108 600 35 2.4
1200 34 4.3
1800 33 6.1
2400 32 8
17 Series
Hex22x108 600 41 2.7
1200 40 4.6
1800 39 6.6
2400 38 8.7
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OUR SERVICE
☑ We will provide more precisely and efficiently manufacture and serve according to clients' drawings.
☑ We have professional QC team to ensure your product more better.
☑ Check the raw material before starting production.
☑ Have the random inspection during the processing.
☑ Make the 100% inspection before the shipments.
WHY ARE YOU CHOOSE US
☑ We have been engaged in tapered cross bit for more than 20 years.
☑ apered cross with conical pipe drilling perfect;
☑ Reliable work, high cost performance;
☑ Accurate the dimension of taper degree perfectly matches the rods;
☑ High grade tungsten carbide inserts;
☑ The drill bit is made of high quality steel and uses the most advanced CNC machinery and heat treatment process.
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