Concrete breaker BB2 series

Overview
MAC3 has developed a wide range of anti-vibration breakers with suspended handles, ranging from 20 to 25 kg. Popular with construction professionals for their performance, reliability and ease of maintenance, these MAC3 breakers are ideal for low vibration demolition work.

Performance highlights

• Reduces vibrations by 70% while guaranteeing performance equivalent to standard breakers
• Consumes 40% less compressed air
• 40% fewer parts in action, ensuring enhanced reliability and requiring 0% lubricant to operate due to optimized steel self-lubrication

Features

• Monobloc cylinder machined in the steel bar
  • Limited requested parts
  • Better resistance over time
  • Optimization of performance
• Heat treatment
  • Mechanical characteristics optimization
  • Self-lubrication for operation
• Zinc-plated surface treatment
  • Better protection against corrosion
• Direct strike on air cushion
  • Reliability and longevity
  • Comfort in use
• Easy access to distribution
  • Easy maintenance
• Latch fastener
  • Quicker tool changes
  • Safety for users
• Suspended handles
  • Reduced vibration level

Applications

• Construction
• Crafts
• Agriculture
• Mines and quarries
• Civil engineering, networks and infrastructures

Technical data (table)
MODEL | SILENCER* | SECURITY** | WEIGHT (kg / lb) | LENGTH (mm / in) | CADENCE (bpm) | AIR CONSUMPTION (l/min / cfm) | SHANK SIZE (Type / mm / in)
BB20 | ● | ○ | 20,9 kg / 46 lb. | 660 mm / 26,0 in. | 1300 bpm | 1 100 l/min / 38,8 cfm | HEX / 25 x 108 mm / 1" x 4 1/2"
BB25 - MAC60TX | ● | ○ | 24,2 kg / 53 lb. | 718 mm / 28,3 in. | 1300 bpm | 1 200 l/min / 42,4 cfm | HEX / 28 x 160 mm / 1 1/6" x 6"
BB25 - MAC60TX (alternate shank) | ● | ○ | 24,2 kg / 53 lb. | 718 mm / 28,3 in. | 1300 bpm | 1200 l/min / 42,4 cfm | HEX / 32 x 160 mm / 1 1/4" x 6"

Notes
● = in standard / ○ = optional
* Attenuator: mandatory for CE zones
** Safety against inadvertent start-up: mandatory for CE zone

Specifications

• Series: BB series (models include BB20 and BB25 variants)
• Weight range: approx. 20 kg to 25 kg (BB20 = 20.9 kg; BB25 = 24.2 kg)
• Impact cadence: 1300 bpm (all models listed)
• Air consumption: BB20 = 1 100 l/min (38.8 cfm); BB25 variants = 1 200 l/min (42.4 cfm)
• Lengths: BB20 = 660 mm (26.0 in); BB25 = 718 mm (28.3 in)
• Shank types and sizes: HEX 25 x 108 mm (1" x 4 1/2") for BB20; HEX 28 x 160 mm (1 1/6" x 6") and HEX 32 x 160 mm (1 1/4" x 6") available for BB25 variants
• Design highlights: monobloc machined cylinder, heat-treated components, zinc-plated surfaces, direct strike on air cushion, latch fastener for quick tool changes
• Operational advantages: significant vibration attenuation (~70%), reduced compressed air consumption (~40% less), fewer moving parts for improved reliability, zero lubricant required in operation