CSD split-drive 1/4 x 3 countersunk anchor, model CSD25300. Zinc plated for dry interiors. Box of 100. Drive until the head is flush.
The CSD split-drive is a one-piece countersunk expansion anchor for concrete, grout-filled block, and stone. This 1/4 x 3, model CSD25300, ships a 100-count box and is zinc plated for dry interior work. Drill a 1/4 in hole, use a 3/8 in fixture hole on steel, and drive until the head is flush. It is not the duplex DSD head. Drop-in anchors are listed separately.
| Property | Value |
|---|---|
| Manufacturer | Simpson Strong-Tie |
| Product | CSD Split-Drive |
| Model | CSD25300 |
| Size | 1/4 x 3 |
| Head | Countersunk |
| Coating | Zinc plated, dry interior |
| Box qty | 100 |
| Drill bit | 1/4 in |
| Fixture hole | 3/8 in on steel |
| Embedment | 1 1/4 in |
| Not | DSD duplex or drop-in |
CSD or DSD?
This is CSD countersunk, model CSD25300. DSD is the duplex head you can pull with a claw hammer, and it is not listed here.
How do I install it?
Drill 1/4 in, blow it clean, drop it through the fixture, and drive until the head is flush. On steel, use a 3/8 in fixture hole.
Can I use it outdoors?
This zinc plated CSD is for dry interiors. Mechanically galvanized CSD is a different SKU and is not listed here.
Is this a drop-in?
No. Drop-in anchors are internally threaded and are listed separately.
Who makes it?
Simpson Strong-Tie.
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