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GRK 772691577856 19/64" x 5" 57785 CALIBURN XL Concrete Screws 25 Count, Gold
From the Manufacturer
GRK Caliburn Concrete Screws are professionally engineered fasteners with a patented thread design for ease of driving the screw in concrete and similar applications. Available in three different head designs for multiple applications. Recommended for use with GRK Drill bits. Caliburn Screws are available with a standard flat head design, pan head PH and washer head XL.
Reader1
Reviewed in the United States on March 22, 2020
I used these bolts to mount my 58" TV to the fire place brick. Fantastic product!!! These bolts drill their way in after given a starter hole and can be removed. I would have purchased longer bolts if available.
JB
Reviewed in the United States on November 24, 2020
Best concrete anchors i have ever used period.
Nick
Reviewed in Canada on October 21, 2019
They hold great as expected
NSMHUTCH
Reviewed in the United States on July 25, 2018
Quick delivery; perfect size
Ward
Reviewed in the United States on March 12, 2017
Strong!
Gene E Mayfield
Reviewed in the United States on June 28, 2016
good strength into concrete. Installed over 400 and had only one head snap off.I will use again without question!
Jim Richardson
Reviewed in the United States on November 1, 2016
Best concrete / stone screws ever. I used them to screw down EP Henry paver steps. They worked perfectly where the best adhesives made specifically for the job had failed. Not cheap but well worth the cost.
M. Peter Quinn
Reviewed in the United States on January 20, 2016
best concrete screw ever. amazing really.
Jonc
Reviewed in the United States on October 14, 2015
excellent product if a bit pricey... but I would use them when the job required this level of quality...
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