


55778 Caliburn Concrete Screw 400pk 19/64" x 3-1/2"
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
55778 Caliburn Concrete Screw 400pk 19/64" x 3-1/2"Overview The GRK Caliburn Concrete Screw 400 Pack (55778) is designed for hardware and tool applications requiring reliable fastening into concrete and similar substrates. Manufactured by GRK Fasteners, this bulk pack provides 400 professionally engineered concrete screws in a 19 64" x 3 1 2" dimension, suited for high volume job site use. Technical Specifications MPN 55778 Brand GRK Fasteners Screw Diameter 19 64" Screw Length 3 1 2" Pack Quantity
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Reviewed in the United States on May 12, 2026
★★★★★ 5
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