Simpson Strong Tie MDB18412C4 MDB 3/16" x 4-1/2" Carbide Masonry Drill Bit (4 per Card)
Special Features
- For drilling into concrete and masonry
- Use with 1/4-inch diameter screw with length range 1-3/4-inch to 4-inch
- Carbide-tipped drill bit for durability
- High-strength carbon steel shank
- Quantity: 4 per card
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