52 Sets Molly Jack Nuts With Countersunk Socket Head Cap Screws Assortment ? DANA FRED 52SETS Jack Nuts Petal Nuts Expansion Nut Thins Fixings Dowels with Countersunk Screws Assembly for Hollow Wall Iron Skin Line Use in Thin Soft Wall (Assortment Kit) ? WHY CHOOSE US? ? 1, Will not distort or deform soft plastics or thin sheet metal ? The sheet metal had holes that were stripped. Used these nuts and they worked perfectly. The brace is installed, and the upper part of the door is also stronger. ? 2, Full assortment also includes Expansion Nut Screws for installation. ? In this set, we also provide matching screws for you to buy with confidence. ? 3, Parts made of high-strength steel. Zinc finish for improved corrosion resistance. ? High quality carbon steel with high hardness. zinc plated surface, anti-corrosion and anti-oxidation, with no burr and flanged anti-slip design, wear-resistant and very practical. ? Specification: ? Nut Type: hollow door anchors ? Nut Sizes: M4 M5 M6 M8 ? Total Length: 16mm/20mm/18mm/20mm/21mm ? Screws external diameter:4mm/5mm/6mm/8mm ? Material: Zinc Plated ? Package Included: ?Black Jack Nut M4*16+ Black Countersunk Screws M4*25-----10pcs ?Black Jack Nut M4*20+ Black Countersunk Screws M4*30-------8pcs ?Black Jack Nut M5*18+ Black Countersunk Screws M5*30-------3pcs ?Black Jack Nut M6*20+ Black Countersunk Screws M6*30------3pcs ?Black Jack Nut M8*21+ Black Countersunk Screws M8*35-------2pcs ?Blue Jack Nut M4*16+Blue Countersunk Screws M4*25-----10pcs ?Blue Jack Nut M4*20+Blue Countersunk Screws M4*30-------8pcs ?Blue Jack Nut M5*18+Blue Countersunk Screws M5*30-------3pcs ?Blue Jack Nut M6*20+Blue Countersunk Screws M6*30------3pcs ?Blue Jack Nut M8*21+Blue Countersunk Screws M8*35-------2pcs Note: 1, Warning: small parts, keep away from children and kids. 2, If you have any questions, please feel free to contact us at any time. ??High Quality Steel?These Jack Nuts are made of High Quality Steel which offers some of the highest strength and grip, making it last longer than other hardware on the market today. They won't distort or deform soft plastics or thin sheet metals. ?? Easy To Use?1. Drill a hole to the recommended diameter. 2. Tap the anchor into the hole until it is flush with the surface of the substrate. 3. Attach the setting tool to the head of the screw.Squeeze the to expand the anchor.(Small sizes may be set using a screwdriver) 4. Remove the screw and place it through the fixture then back into the anchor. Tighten the screw until the fixture is fixed. ?? What You Get ?In this kit, You will get 52Pcs expansion screw petal nuts Assortment Kit, So many quantities that can meet all your daily needs.High quality Zinc Plated Steel, plating zinc, Can resist the corrosion and rust in marine environments. ??WIDE APPLICATION?These expansion nuts are suitable for plates with a thickness of about 0.2-5mm/0.01-0.2inch. They are suitable for anchoring on metal plates, sliding aluminum alloy doors and windows, stripping anti-theft door locks, and installing iron-clad houses. ??What you Get?The jack nut assortment kit contains 20pcs M4 X 16 Jacknut, 16pcs M4 X 20 Jacknut, 6pcs M5 X 18 Jacknut, 6pcs M6 X 20 Jacknut, 4pcs M8 X 21 Jacknut, 52pcs matching Countersunk screws totally 104pcs.