Rock Drills 30# – 60#: Heavy-Duty Drilling Power

The Rock Drill series delivers high-performance drilling for quarrying, mining, and construction applications. Available in multiple models and sizes, these drills combine impact power with operator control to handle demanding rock and concrete jobs.

Key Specifications:
• Model 109: 3/4″ x 3-3/4″ round slotted shank, 3,400 BPM, 15/8 female fitting
• Model 115: 7/8″ x 3″–1-15/16″ shank, 2,900 BPM, 3/8 male fitting
• Model 155: 7/8″ x 3-1/4″ or 4-1/4″ shank, 2,100 BPM, 3/4 male fitting

Real-World Applications:
• Drilling and blasting in quarries and mining operations
• Breaking and cutting through reinforced concrete and stone
• Construction site applications requiring precision rock and foundation drilling

Rugged, powerful, and field-proven, Rock Drills in the 30#–60# range are built to meet the demands of heavy-duty drilling projects. Their reliable performance and versatile options make them a trusted choice for contractors worldwide.

109 3/4 x 3-3⁄4
Round Slotted
1-1⁄4 1 3,400 19-21 9 15 3/8 female

115 7/8 x 3-. 1-15⁄16 1-3⁄8 2,900 32-36 19 18-3⁄8 3/8 male

155 7/8 x 3-1⁄4 or 4-1⁄4
1 x 4-1⁄4
2-5⁄8 3 2,100 110-120 61 22-3⁄4 3/4 male