Spads Inc.     |     Home Company Origin   |   Water systems   |   Treatment & filtration System   |   Swimming Pool   |   Concrete fasteners   |   Contact Us Concrete fasteners                                                       Concrete Screws - Ideal for mounting window and door frames to concrete. Back to Top of page Sleeve Anchors      Heavy Duty Wedge Anchors Back to Top of page Please contact webmaster to report any problems with this site. Thanks, Stewart.