Hardware

30-Piece Molly Bolt Kit — Metal Drywall Anchors (M4-32)

4.1 8 reviews 1 min read

30-Piece Molly Bolt Kit — Metal Drywall Anchors (M4-32)

Product description

How it works: Each molly anchor is a slotted metal sleeve that houses a screw. As the screw is driven in, the sleeve flares out behind the wall, creating a wider footprint that spreads the load and reduces pullout.
Materials and counts: This pack contains 30 metal molly anchors and matching screws in M4-32 size. The components are made from heavy zinc‑plated carbon steel for added strength and corrosion resistance.
Load capacity: Properly installed in hollow walls, these anchors typically support light-to-moderate loads — generally in the 20–40 lb range depending on wall material and mounting method.
Installation: Drill the correct hole, insert the sleeve, then drive or tighten the screw so the legs expand. Using a dedicated molly‑bolt setting tool speeds the process and ensures the anchor fully deploys behind the wall for a secure hold.
Applications: Ideal for hanging curtain rods, frames, small cabinets, coat hooks, license plates, shelving, drying racks and other items where a stud isn’t available. Suitable for drywall, plaster and other hollow wall constructions.

Pros

  • Durable zinc‑plated carbon steel construction
  • Expands to distribute load across hollow walls
  • Includes 30 anchors and screws (M4-32)

Cons

  • Limited to light-to-moderate loads (20–40 lb)
  • Requires correct hole size and technique
  • Best results need a molly setting tool

VerdictThis kit gives you a full supply of metal sleeve anchors that expand inside hollow walls for a stronger hold than plastic plugs. The zinc‑plated carbon steel construction resists bending during installation and the M4-32 size fits many light-to-medium hanging jobs. For consistent results use a molly-setting tool and avoid relying on the screw alone to form the expansion. Good value for DIYers who

Reviews

  1. Bob D. 5/5

    Solid, fit my project

    Did the job and were the right size for what I needed.

  2. John 5/5

    Held my solar mounts well

    Worked well securing small panels to my RV roof where no studs existed — used on rubber and thin plywood.

  3. Lab M 4/5

    Does what it should

    Generally good and secure. A couple were tricky to rethread after setting, but functionally sound.

  4. Katie 5/5

    Works great — use the tool

    Perfect for hanging items in my garage. Make sure you have the setting tool for proper expansion.

  5. Pereira1810 5/5

    My preferred hollow-wall anchor

    I've tried many anchors over the years and these molly bolts have been the most reliable — they became my standard choice.

  6. Larry Read 3/5

    Good variety, pick what you like

    Pack offers different options to test; once you find the style that fits your needs you can buy more of that type.

  7. Richard Rothengass 5/5

    Reliable alternative to plastic plugs

    If you can’t hit a stud these are the next best option. More secure than plastic anchors once set.

  8. Mark James 1/5

    Poor durability on some pieces

    Several anchors failed when torque was applied; tabs gave way and the sleeve twisted instead of locking.

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