EXCALIBUR
HSA 12/100-Screwbolt-M
12 mm x 100 mm countersunk hexdrive bolt.
upto 90mm embedment, 100mm overall length.
head is 28mm diameter with 10 mm In hexagon allen drive.
yellow zinc passivated finish.
drill a 12mm hole in stone /masonry/concrete etc and screw them in.
price per bolt.
choose quantity required.