ELCO UltraCon Concrete Screws: 5/16 x 5, TrimFit Flat Head, Silver Stalgard Finish, Case of 250 hardhat Anchor Size Anchor Material Drill

Anchor Size Anchor Material Drill Material Quantity 3/8" x 4" Carbon Steel 3/8" 50

1660 O/A Length 3-1/4 inches Flute Length 2-1/8 inches Point 135 degrees

5/16 in   Head Size

75 hours at 90 Õ F and in only 2 hours at 110 Õ F

Heat Treated Material ÕÌ_

ELCO UltraCon Concrete Screws: 5/16 x 5, TrimFit Flat Head, Silver Stalgard Finish, Case of 250 hardhat Anchor Size Anchor Material DrillThe Elco UltraCon (Tapcon concrete silver screws) masonry fastening system offers optimal performance in concrete, brick or hollow block whether anchoring electrical boxes, clips, wood headers, plywood, furring strips, insulation, etc. Cold formed, carbon steel anchors, precision cut carbide drill bits and high quality installation tools all work together to provide excellent pull out and shear values. UltraCon screws feature nail points and high low