Description
Monster Overview:
Speed up light-duty fastening in masonry with Hammer Drive Anchors – Mushroom Head from Monster Bolts. These anchors feature a zinc alloy body and a zinc-plated steel nail. Simply drill, set the anchor, then hammer the nail to expand the shield and lock the anchor in place. Ideal for concrete, block, brick, and stone.
Great for mounting clips, straps, electric boxes, signs, and brackets where a quick, permanent set is needed.
Monster Features:
- Mushroom Head: Clean, low-profile finish.
- Fast Install: Hammer-driven expansion—no torqueing required.
- Materials: Zinc alloy anchor body with zinc-plated carbon steel nail.
- Substrates: Concrete, brick, block, and natural stone.
- Use Case: Light-duty, non-structural attachments in masonry.
Monster Benefits:
- Quick, consistent installs—perfect for repetitive fastening.
- Reliable hold in solid masonry materials.
- Neat mushroom head appearance for visible applications.
Sizes & Lengths:
| Anchor Diameter | Available Lengths | Head Style | Nail |
|---|---|---|---|
| 3/16" | 7/8" | Mushroom (round) head | Zinc-plated steel |
| 1/4" | 3/4", 1", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/2", 3" | Mushroom (round) head | Zinc-plated steel |
Drill Bit Size:
Same-size rule: For hammer drive anchors, drill bit diameter = anchor diameter.
- 3/16" anchor → 3/16" drill bit
- 1/4" anchor → 1/4" drill bit
Need a quick reference for other anchor types? View our Anchor Drill Bit Size Compatibility Chart .
Quick Install Guide:
- Drill a hole to the correct diameter and embedment depth.
- Clean out dust with a brush or compressed air.
- Insert anchor flush to the surface.
- Hammer the nail until the head seats—this expands the anchor for a tight hold.
Typical Applications:
- Conduit straps and cable clips
- Nameplates, signage, and light brackets
- Molding and trim to masonry
- General light-duty fixtures in concrete/block/brick
Important: Light-duty, non-structural anchor. Not recommended for overhead lifting, sustained vibration, or critical safety applications. Removal typically requires drilling out the anchor.
Order in Bulk from Monster Bolts
Stock up on Mushroom Head Hammer Drive Anchors for fast, consistent installs in masonry. Choose your size and length, add to cart, and build with confidence.