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tapered drill rods(Hex:19~25mm)
tapered drill rods(Hex:19~25mm)

taper drilling rods,blast hole drill rods,geologic drill rod 1)Drilling rod length:0.4m-6m 2)Shank Size:83mm,108mm

tapered drill rods/blast hole drill rods/geologic drill roddrill rodrock drilling rods

1.ShankHex:19mm*83/108mm,22m*83/108mm,25mm*108/159mm2.Taper degree:4.46 6 7 11 12 3.Drilling rod length:0.4m-6m

Shank Hex:19mm*83/108mm, 22m*83/108mm, 25mm*108/159mmTaper degree:4.46 6 7 11 12Drilling rod length:0.4m-6m

 The tapered drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other constructions.Generally, the lightduty rock drill uses 7 taper or smaller taper angle, the heavyduty rock drill mainly uses 12 taper angle.

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

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tapered drill rods(Hex:19~25mm)

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