Mincon HDD40

General Description: Mincon HDD40 in Excellent Condition. Used on one job only!

Additional Information: Tool for drilling 4-1/4″ (108mm) pilot bores in hard rock formations. This system provides the necessary equipment to convert any HDD drill machine from a mud drilling machine to a pneumatic drilling machine.

SPECS

Hammer Outside diameter: 3.35" (85 mm)

Pilot Bit Size: 4.25" (108 mm)

Hammer Length: 73.5" (1867 mm)

Hammer Weight: 109 lbs (49.4 kgs)

Piston Weight: 8 lbs (3.6 kgs)

Bit Shank Type: HDD40

Backhead Thread: 2-3/8" A.P.I. Reg Pin

-Dual steering point design incorporating slanted drill bit and 2° bent sub

-High frequency hammer cycle transmits less vibration

-High pressure/high volume compressed air powers drilling operations and requires minimal torque

-Shorter body design allows for easier steering in the bore hole and less rotational stresses on hammer body

-Existing locating electronics (DCI, Sub SITE, or WIRELINE) can be used

-Support Station delivers compressed air mixed with a water/polymer (3-5 gal/min) and rock drill oil (2-4 pints/hr) to operate the drilling cycle

-Minimal environmentally friendly clean up, can be used on environmentally sensitive locations using biodegradable rock drill oils

-- reference #17395