Tolsen 5/16″ x 12″ SDS-Plus Hammer Drill Bit
Professional-Grade Extended-Length Masonry Drilling Tool
Heavy-duty SDS-Plus hammer drill bit featuring extra-long 12″ design with precision carbide tip and reinforced spiral flutes for superior performance in deep concrete, masonry, and stone drilling applications.
Key Benefits
- Extended 12″ length for deep drilling applications
- Carbide-tipped cutting edge for maximum durability
- SDS-Plus shank for positive chuck connection
- Optimized spiral flute design for efficient dust removal
- Heat-treated steel body for extended operational life
- Precision-ground cutting geometry for faster penetration
- Reduced vibration design for improved drilling control
- Consistent hole diameter throughout extended depth
Technical Specifications
- Part Number: 74835
- Diameter: 5/16″ (8mm)
- Length: 12″ (300mm)
- Working Length: Approximately 10.5″
- Shank Type: SDS-Plus
- Material: Impact-resistant tool steel with carbide tip
- Flute Design: Deep spiral for optimal debris evacuation
- Tip Angle: Optimized for masonry penetration
- Compatibility: All SDS-Plus hammer drills and rotary hammers
- Grade: Professional/Industrial
Perfect For
- Deep concrete penetrations
- Through-wall drilling
- Long anchor installations
- Rebar-reinforced concrete
- Commercial construction
- Electrical and plumbing conduit paths
- Deep fixture mounting
- Professional installation work
Application Instructions
- Secure bit firmly in SDS-Plus chuck
- Mark drilling location precisely
- Start with light pressure and low hammer action
- Increase to full power once started
- Withdraw regularly to clear dust and debris
- Apply steady pressure without forcing
- Use water cooling for extended drilling operations
- Clean thoroughly after each use
Pro Tips
- Pre-drill pilot hole for precision placement
- Use hammer function for concrete, rotation-only for tile
- Withdraw bit regularly when drilling deep holes
- Apply consistent pressure but let the tool do the work
- Cool bit during extended operations to prevent overheating
- Keep bit clean for optimal cutting efficiency
- Store in dry environment to prevent corrosion
- Replace when cutting efficiency decreases
Keywords: SDS-Plus drill bit, extended masonry bit, long hammer drill bit, deep concrete drilling, Tolsen drill bits, 3/16 inch masonry bit, construction drilling equipment, 12 inch drill bit
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