10 Pack Eurotec Extra Long Concrete Countersunk Frame Screws 7.5 x 252mm & 302mm | eBay
Concrete Frame Screw Pack - 100 Screws with SDS Drill Bit - Virtual Plastics Ltd.
SEQUAL® 60mm (Pack of 20) Easy Drive Countersunk Direct Concrete Screws. No Plugs Needed Concrete Screw Pack Countersunk Screw with Torx Head, T30 Torx Driver Bit Included in Every Screw Pack. :
Torx 7.5 x 80 Concrete Screws
Concrete Screw Zyp 7.5mm x 120mm - Pack of 3 | Homebase