Forging Type Blast Hole Tapered Rock Drill Rods

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Introduction of Forging Type Blast Hole Tapered Rock Drill Rods

Forging Type Blast Hole Tapered Rock Drill Rods also named taper rock drill steel. work with taper drill bits which are usually hexagonal.

Forging Type Blast Hole Tapered Rock Drill Rods equipped with pneumatic & hydraulic rock drills, Tapered rock drill rod is used for rock drilling, blasting holes and other drilling works.

Forging Type Blast Hole Tapered Rock Drill Rods have different length to fit different drilling applications in mining, tunnel, quarry, road building etc. Taper drill rods must together used with tapered drill bits, chisel bits, cross bits and button bits.

Parameter of Forging Type Blast Hole Tapered Rock Drill Rods

1) Material: 40SiMnCrNiMo

2) Shank spec.: Hex19*108mm, Hex22*108mm, Hex25*108mm, Hex25*159mm

3) Taper connection: 7, 11, 12 degree

4) Length: 0.5m~6.0m

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

Pictures of Forging Type Blast Hole Tapered Rock Drill Rods