Tapered Drill Rods

Tapered drill rods are suitable for small pneumatic rock drills or hydraulic rock drills for shallow hole drilling operations, and are generally made of H22 and H25 hexagonal hollow drill steel. The tapered drill rod needs to be matched with the taper drill bit for rock drilling, and It is usually used in rock drilling operations in quarries, coal mines, roadbeds, construction and other fields. Conventional taper angles for tapered drill rods are 7°, 11°and 12°.

Product Description

Specifications of Tapered Drill Rods

LengthDiameterWeightModel No.
[mm][ft-in][mm][in][kg]
Tapered_drill_rod_Hex_22_7.png

Shank H22×108mm, Hex 22, 7°

18005′ 91″227/8″5.8H22-T7-1800
24007′ 10″227/8″7.6H22-T7-2400
Tapered_drill_rod_Hex_25_7.png

Shank H25×108mm, Hex 25, 7°

18005′ 91″251″8.2H25-T7-1800
24007′ 10″251″6.4H25-T7-2440

11°

LengthDiameterWeightModel No.
[mm][ft-in][mm][in][kg]
Tapered_drill_rod_Hex_22_11.png

Shank 22×108, Hex 22, 11°

12204′227/8″4.1H22-T11-1220
18306′227/8″5.9H22-T11-1830

12°

LengthDiameterWeightModel No.
[mm][ft-in][mm][in][kg]
Tapered_drill_rod_Hex_22_12.png

Shank 22×108, Hex 22, 12°

6102′227/8″2.2H22-T12-610
12204′227/8″4.1H22-T12-1220
18306′227/8″6.0H22-T12-1830
24408′227/8″7.8H22-T12-2400

Additional Information

Product Name

taper drill rods

7 degreee

Length Diameter Weight Model No.

[mm] [ft-in] [mm] [in] [kg]
Tapered_drill_rod_Hex_22_7.png

Shank H22×108mm, Hex 22, 7°

1800 5' 91" 22 7/8" 5.8 H22-T7-1800
2400 7' 10" 22 7/8" 7.6 H22-T7-2400

Tapered_drill_rod_Hex_25_7.png

Shank H25×108mm, Hex 25, 7°

1800 5' 91" 25 1" 8.2 H25-T7-1800
2400 7' 10" 25 1" 6.4 H25-T7-2440

11 degree

Length Diameter Weight Model No.

[mm] [ft-in] [mm] [in] [kg]
Tapered_drill_rod_Hex_22_11.png

Shank 22×108, Hex 22, 11°

1220 4' 22 7/8" 4.1 H22-T11-1220
1830 6' 22 7/8" 5.9 H22-T11-1830

12 degree

Length Diameter Weight Model No.

[mm] [ft-in] [mm] [in] [kg]
Tapered_drill_rod_Hex_22_12.png

Shank 22×108, Hex 22, 12°

610 2' 22 7/8" 2.2 H22-T12-610
1220 4' 22 7/8" 4.1 H22-T12-1220
1830 6' 22 7/8" 6.0 H22-T12-1830
2440 8' 22 7/8" 7.8 H22-T12-2400

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