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DTH Hammer: HK5Q-H-DS QL50 (5 INCH)

DTH Hammer: HK5Q-H-DS QL50 (5 INCH)

Description

HK5Q-H-DS QL50 (5 INCH)

Black Diamond Down‑the‑Hole (DTH) Hammers are purpose‑built for blasthole drilling applications, delivering reliable performance, high penetration rates, and long service life in demanding surface mining and quarrying operations. 

Manufactured from premium alloy steel and precision heat‑treated for strength and durability, Black Diamond hammers provide efficient energy transfer from the drill rig to the bit. This results in consistent hole depth, improved straightness, and dependable drilling performance in hard and abrasive rock formations commonly encountered in blasthole drilling.

Robust internal components are designed to minimise wear, reduce air loss, and maximise uptime, helping operators maintain productivity and control operating costs across long drilling campaigns.

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HK5Q-H-DS QL50 (5 INCH) Technical Information Table

Length(Less bit) Weight(Less bit) External Diameter Bit Shank Hole Range Connection Thread
1156mm 73.0Kg Φ125mm Cop54-G QL50 HQL50 Φ140- Φ152 API 3 1/2” REG CUBEX # 28
Box Size Impact rate At 1.7Mpa Recommended rotation speed Air Consumption 250-350(PSI)
1230x155x180mm 25Hz 20-35r/min 500-800(CFM)

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