Description
Drillco 172B1166 1/4″ x 6-1/2″ SDS Plus Dura-Drill Bulk is built for professional drilling in reinforced concrete, masonry, stone, and brick. Featuring advanced 4×90 head geometry, this bit prevents locking when encountering rebar on the side and is specifically designed for longer life in demanding concrete applications. It can crush through and pulverize rebar, making it ideal for heavy-duty construction projects. This bulk pack ensures contractors have multiple bits on hand for high-volume drilling needs.
Features:
- 1/4″ diameter with 6-1/2″ length for precise drilling applications
- SDS Plus shank for secure fit and optimal power transfer
- 4×90 head geometry prevents bit locking on side rebar
- Engineered for long life when drilling in concrete
- Capable of crushing and pulverizing rebar during reinforced concrete drilling
- Bulk pack for professional contractors and large-scale projects
- Suitable for concrete, masonry, stone, and brick applications
Benefits:
- Ideal for heavy-duty drilling in reinforced concrete
- Prevents jamming and bit breakage when hitting rebar
- Durable design ensures long-lasting performance
- Bulk packaging saves time and cost on repetitive jobs
Technical Specifications:
- Model: 172B1166
- Type: SDS Plus Dura-Drill Bit – Bulk Pack
- Quantity: Multiple Drill Bits
- Diameter: 1/4″
- Overall Length: 6-1/2″
- Material: High-grade steel for maximum durability
- Shank Type: SDS Plus
- Applications: Reinforced Concrete, Masonry, Stone, Brick





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