3 1/2-4 A563 Grade A Heavy Hex Nut Plain

including the attachment of gypsum board to metal studs

1/2-13 x 12 Grade 5 Hex Cap Screw Zinc Plated

Good for exterior and most marine applications

” are typically used to install items that will hang from hollow walls

1 1/2-8 A194 2H Heavy Hex Nut Hot Dipped Galvanized 7/16-14 Hex Tap Bolts 18-8 Stainless Steel 3 1/2-4 A563 Grade A1 1 2 8 A194 2H Heavy Hex Nut Hot Dipped Galvanized . A194 2H Heavy Hex Nuts are manufactured from 1045 steel to meet or exceed ASTM A194 Grade 2H. Hot Dip Galvanized material will meet or exceed ASTM A153 and or ASTM F2329. Galvanized nuts are over tapped per ASTM A563. Typical hardness is HRC 24 35 for diameters up to 1 1 2 inches, HRB 95 HRC 35 for diameters over 1 1 1 2 inches. Proof load strength is 175,000 psi.