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The LSC installs at the top of the stair stringer
The Strong-Tie HUC48Z concealed flange hanger features a G185 ZMAX galvanized finish for added corrosion resistance and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153
Engtineered with specially designed threads
with hand-drive use also supported
Simpson Strong-Tie #12 x 2-1/2" Self-Drilling Screw with Wings, Flat Head - 410 Stainless Steel, Qty. 1,800 LSTHD/STHD Strap-Tie Holdowns The LSC installs at theWhen you need to fasten wood, plywood or fiber cement board directly to steel framing without pre drilling, this Simpson Strong Tie F12C250FDB Self Drilling Flat Head Screw With Wings delivers the performance you expect. Wings create a clearance hole in the top material so the shank will not ride up, then break off as the drill point engages steel. The flat countersunk head offers a clean, flush finish and the full length machine screw threads provide