7 11 12 Hexagonal Rock Drill Steel Tapered Rock Drill Rods for Mining / Quarrying taper drill rod 7, 11, 12,etc manufacturer from China Xuanhua Jinke Drilling Machinery Co., Ltd.

7 11 12 Hexagonal Rock Drill Steel Tapered Rock Drill Rods for Mining / Quarrying

Place of Origin:

Hebei, China (Mainland)


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Product Detail

Model No.: taper drill rod 7, 11, 12,e...

7° 11° 12° Hexagonal Rock Drill Steel Tapered Rock Drill Rods for Mining / Quarrying

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7° 11° 12° Hexagonal Rock Drill Steel Tapered Rock Drill Rods for Mining / Quarrying

Introduction

Tapered drill rod also named taper rock drill steel. work with taper drill bits which are usually hexagonal. It equipped with pneumatic & hydraulic rock drills, Tapered rock drill rod is used for rock drilling, blasting holes and other drilling works.

Tapered 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.

Rock Drill Steel,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	Hex22mm108mm Hex25mm159mm 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