S250 PERFORMANCE

Boart Longyear’s S250 pneumatic rock drill is a high-performance drill ideal for development and stoping applications where high drilling speed is a primary requirement. The S250’s size and versatility allow for drilling in confined spaces and orientations. It is designed with an ideal power/weight ratio to provide optimum balance between power, mass, and vibration for maximum productivity and penetration.

The S250 rock drill has been commonly referred to as the ‘Bonus Drill’ because of its exceptional reliability and performance. Made from premium materials and exact specifications, every Boart Longyear S250 rock drill is measured against strict standards for output and capacity prior to shipment to ensure that each drill delivers to performance, guaranteed.

UTILITY

The S250 is available in three primary variations including jackleg, stoper and sinker, providing maximum utility for specific customer needs. Both muffled and unmuffled versions are available.

Features

1. PREMIUM MATERIALS
The S250 uses premium materials, machined to precise specifications to deliver high performance and exceptional durability.

2. PROVEN TECHNOLOGY
Boart Longyear’s S250 rock drill is the original market-leading S250 design.

3. HEX 22 MM CHUCK END
Boart Longyear provides a 22 mm hex chuck end to accommodate popular steel sizes.

4. UTILITY
The S250 is available in three primary variations including jackleg, stoper and sinker, providing maximum utility for specific customer needs. Both muffled and unmuffled versions are available.

5. SERVICES AND TRAINING
Boart Longyear offers on-site services training and complete rebuild and overhaul service to ensure optimal drill performance and extended life.

JACK / SINKER ROCK DRILL SPECIFICATION

  Metric U.S.
Bore 79.4 mm 3.126 in
Stroke 73.25 mm 2.884 in
Blows / Minute 2200 @ 6.2 bar 90 psi
Air Consumption 4.4 m3 / min @ 6.2 bar 156 cfm @ 90 psi
Air Connection - 1 in BSP
Water Connection - 1/2 in BSP



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DOWNLOADS

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S250 Rockdrill Repair Kit

English (PDF)
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S250 Rockdrill Wall Chart

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