GRK Fasteners CALIBURN XL 57778 Heavy-Duty Concrete Screw, 19/64 in Dia, 3-1/2 in L, 3200 lb, Steel
- Star drive eliminates stripping for improved productivity
- Heavy-duty threads lock into concrete and can be removed and reinserted without screw damage
- Countersinking bugle head locks wood to concrete for complete installation and effective anchoring
- Climatek™ coating is AC257 code approved for use in treated lumber
- Caliburn™ XL washer head design for superior holding power
Description
Specifications
GRK FASTENERS
Concrete Screws
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