Unistrut P3300SL Pre-Galvanized Slotted Strut Channel
The Unistrut P3300SL is a 12-gauge pre-galvanized steel strut channel measuring 1-5/8 in. x 7/8 in. It features long slots (SL) on the back side sized for 3/8 in. threaded rod and fasteners. These long slots are 3 in. in length with 1 in. spacing, providing adjustability during installation and eliminating the need for field drilling in many applications.
Specifications
- Model: P3300SL 10PG
- Gauge: 12 gauge
- Dimensions: 1-5/8 in. x 7/8 in.
- Material: Steel
- Finish: Pre-Galvanized
- Slot Type: Long slots (SL) — 3 in. long, 1 in. spacing
- Fastener Size: 3/8 in. threaded rod
- Manufacturer: Unistrut (Atkore)
- UPC: 78636403631
Features
- Long back slots reduce the need for field drilling
- Slot design allows positioning adjustability during installation
- Pre-galvanized finish provides corrosion resistance
- Compatible with standard Unistrut fittings and hardware
Applications
Widely used in commercial and industrial electrical installations for supporting conduit, cable tray, HVAC components, and other mechanical or structural systems requiring a sturdy, adjustable mounting channel.




