💧 Screw, Pentair PacFab Dual Bottom, Grate, 8 x 5/8″
Made by PacFab, manufacturer part number 552537.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | PacFab |
| Manufacturer part number | 552537 |
| Fastener Size | #8 |
| Thread Pitch | 18 |
| Fastener Length | 5/8″ |
| Head Type | Flat – Phillips |
| Material | Stainless Steel |
| Catalog description | Screw, Pentair PacFab Dual Bottom, Grate, 8 x 5/8″ |
Exploded parts diagram: This part is shown on the Pentair PacFab Dual Bottom Port Main Drain exploded parts diagram.
🔧 Pentair PacFab Dual Bottom Port Main Drain – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Screw, Pentair PacFab Dual Bottom, Grate, 8 x 5/8" ◀ this part |
| – | Cover, Pentair PacFab Dual Bottom, Anti Vortex,8" Round, Blk |
| – | Cover, Pentair PacFab Dual Bottom, Anti Vortex,8" Round, Wht |
| 3 | Screw, Pentair PacFab Dual Bottom, Grate, 8 x 3/4" |
| 3a | Screw, Pentair PacFab Dual Bottom, Cover, 8 x 1-1/4" |
| 2 | 54-110-W029K2 |
| 1 | 54-110-W029K1 |
🔧 Exploded diagram and parts
This part belongs to the Pentair PacFab Dual Bottom Port Main Drain assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 3 | ![]() |
Screw, Pentair PacFab Dual Bottom, Grate, 8 x 3/4" | 552538 | 50 in stock | $0.83 | Add to cart |
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