These hollow wall anchors are great for securing items to various hollow and thin materials. It is suitable for aluminium cladding, steel pipes, iron sheets, plastic sheets, drywall, zinc plates, hollow doors, caravan walls, RV panels, furniture, furniture decoration, ships and other fixed devices. Use the jack nuts to hang curtain rods, lamps, photo frames, shelves, cabinets, mirrors, and other fixtures effortlessly.

Specification:
Color: Silver Tone
Material: Carbon Steel
Thread Size: M4x25
Head Diameter: 12mm / 0.47 inch
Sleeve Length: 20mm / 0.79 inch
Thread Diameter: 4mm / 0.16 inch
Packing List: 30Pcs x Jack Nuts

Advantage:
Made from good-quality carbon steel with a zinc-plated coating, these hollow door anchors offer excellent rust resistance and long-term. The hollow wall anchors provide reliable support with a high weight capacity while adding minimal weight to walls.
The hollow design ensures quick and accurate installation and provides exceptional stability for various materials.

Instruction:
Drill a hole matching the anchors diameter. Insert the jack nuts into the hole and adjust the nut. Attach a setting tool and squeeze to compress the anchors behind the surface. Remove the nut, place it through your fixture, and tighten with a screwdriver. For best results, use a dedicated puller or pliers to secure the anchors during installation.

Note:
The installation tool is not included. Always pre-drill accurately and avoid over-tightening to prevent damage to delicate surfaces. Please check the dimensions before purchasing. Hand-measured data may vary slightly.