Hex Head HWH Concrete Screw - Blue Coated - C1020 / Blue Ceramic 720hr Coating, 5/16" HWH, HiLo Sharp

Masonry Concrete Screws - HWH / PFH / SS. Carbon steel masonry screw type anchor with blue TFL corrosion resistant coating for medium duty application in C.I.P. concrete, hollow core block, solid block, brick, or other masonry. Drill bit included in each box of 100. Cuts threads into concrete; removable/re-drivable. Slotted hex head (HWH) or Phillips flat head (PFH); limited HWH sizes also in 410 stainless. Size: 1/4" x 1-1/4" to 1/4" x 4". Material: C1020 (HWH/PFH); 410 Stainless (SS). Coating/Finish: Blue Ceramic 720 hr (carbon); Silver DMG85 (SS). Head: Slotted 5/16" HWH, #3 PFH. Drive: Slotted 5/16" HWH / #3 PFH. Point: Hilo, Sharp Point (carbon); Hilo, Diamond Locator (SS). Dimensions: Maj: .250" Min: .176" (carbon); Maj: .251" Min: .168" (SS). Pull-out: 2000 PSI Concrete 1": 750 lbs pullout / 900 lbs shear; Light Wt Block: 250/620; Medium Wt Block: 500/1,000. Application: Masonry, Concrete. Approvals: ASTM B117 700 hr (carbon); TAS114 Appendix E G85 Annex A5:1000 hr / ASTM B117 1000 hr (SS). Packaging: 100/box, 500-1000/carton. Country of Origin: Taiwan, Vietnam.