Manufacturer of Mining & Construction Equipments
slim drill

LD4 Slim Drill


The versatile Mindrill LD-4 Slim Drill is capable of drilling in both DTH & Top Hammer modes, making it ideal for drilling lead holes for diamond wire cutting of decorative marble, granite, etc. The slim drill sld 100 ld4, Slim Drill is specially designed for precision drilling of matching holes and is able to drill holes in both vertical and horizontal positions. A ball joint is provided at the bottom of the mast to facilitate precision alignment for matching holes. It is also equipped with one spike, two anchoring rods, and adjusting screws to maintain perfect rigidity during drilling. The drill is lightweight and can be easily dismantled into four sub-assemblies enhancing portability.


 Key Features:

• Capable of both DTH & Top Hammer modes
• Lightweight
• Portable
• Low maintenance cost
• Energy efficient
• Operator friendly
• Rigid
• Durable
• High productivity


Part No. – 5114 105 000 Metric Imperial
Mode of Drilling Down the Hole Air Hammer
Hole Diameter 90 mm – 115 mm 3 1⁄2” – 4 1⁄2”
Depth of Hole Vertical 30 m 100’
Depth of hole Horizontal 20 m 65’
Drill pipe Diameter 60 mm / 76 mm 2 3⁄8” / 3”
Drill Pipe Length 1.2 m 4’
Weight(Approx) 468 kg 1030 lb
Height of Rig 3000 mm 10’
Depth of Rig 600 mm 24”
Width of Rig 600 mm 24”


Winch / Feed Unit:
4 Cylinder Piston-type Air Motor with
Complete Gearbox Assembly and Chain Feed Unit
Power @ 1250 RPM, 7 kg/cm2 4 – 4.5 BHP
Pull Down Force 0-2200 kgf
Pull Up Force 0-2200 kgf
Max Pull Up I Pull Down Speed 0-15 m/min


Rotation Unit
Rotation Speed 0-50 RPM
Max Torque 1125 N-m (10000 lbf-in)
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