QB Electrical
Construction: 1-piece industrial forged steel
Cutting Tip: Special tungsten carbide (copper/silver brazed)
Shank Type: SDS-MAX (ANSI compliant)
Surface Finish: Precision polished
Compatibility: SDS-MAX hammer drills & rotary percussion drills
✔ Ultra-Fast Drilling: Optimized flute design for rapid progress
✔ Vibration Reduction: Balanced construction minimizes kickback
✔ Clean Hole Quality: Precision-ground tip produces round, accurate holes
✔ Extended Lifespan: 3X durability vs. standard carbide bits
Concrete (reinforced/standard)
Natural & artificial stone
Brick & masonry block
Cementitious materials
Recommended Power: 10+ amp SDS-MAX drill
Optimal RPM Range: 300-800 RPM
Drilling Technique:
Use firm, steady pressure
Clear dust frequently (vacuum attachment recommended)
Allow bit to cool during extended use
ITM-950CC7331
QB Electrical
SDS-MAX Tunnel Bore DrillITM-950CC7331
Construction: 1-piece industrial forged steel
Cutting Tip: Special tungsten carbide (copper/silver brazed)
Shank Type: SDS-MAX (ANSI compliant)
Surface Finish: Precision polished
Compatibility: SDS-MAX hammer drills & rotary percussion drills
✔ Ultra-Fast Drilling: Optimized flute design for rapid progress
✔ Vibration Reduction: Balanced construction minimizes kickback
✔ Clean Hole Quality: Precision-ground tip produces round, accurate holes
✔ Extended Lifespan: 3X durability vs. standard carbide bits
Concrete (reinforced/standard)
Natural & artificial stone
Brick & masonry block
Cementitious materials
Recommended Power: 10+ amp SDS-MAX drill
Optimal RPM Range: 300-800 RPM
Drilling Technique:
Use firm, steady pressure
Clear dust frequently (vacuum attachment recommended)
Allow bit to cool during extended use
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