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Picture of Unistrut A3300- 1-1/4″ X 3/4″ Unistrut channel

Unistrut A3300- 1-1/4″ X 3/4″ Unistrut channel

  • A3300 - Perma-Green® III - 16'

    Perma-Green® III / Powder Coat Green (GR) — A thermoset acrylic finish that provides superior resistance to chalking, checking, and fading and is far less vulnerable to common acid atmospheres, solvents, and alkalais. Perma-Green offers more corrosion resistance than the plain finish but offers less protection to the elements than pregalvanized, hot dipped galvanized, and Defender finishes.Please Note: We also offer volume discounts on larger orders. Please contact Unistrut Service Company for a custom quote on your bulk order.

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    *
    • Some cutting jobs allow us to use ground shipping rather than LTL, yielding significant freight savings. A customer service associate will contact you to confirm the cut list and shipping and freight costs prior to finalizing your order.
    • eg - 4 cuts per stick x 5ft per section

    Call for pricing
    1-800-694-9274

    Request a Quote

    Have a larger project in mind?

    Check out our cutting, kitting, and bundling as well as our assembly and fabrication services. Or give one of our engineers a call.

  • A3300-Pre-Galvanized Zinc-16'

    Pregalvanized Zinc (PG) — This coating is a well-proven, time tested performer for indoor and outdoor applications required a moderate amount of corrosion resistance. Please Note: We also offer volume discounts on larger orders. Please contact Unistrut Service Company for a custom quote on your bulk order.

    *
    *
    • Some cutting jobs allow us to use ground shipping rather than LTL, yielding significant freight savings. A customer service associate will contact you to confirm the cut list and shipping and freight costs prior to finalizing your order.
    • eg - 4 cuts per stick x 5ft per section
    $96.91
    Request a Quote

    Have a larger project in mind?

    Check out our cutting, kitting, and bundling as well as our assembly and fabrication services. Or give one of our engineers a call.

  • A3300-Plain-16'

    Plain (PL)--The plain finish designation means that the channel retains the oiled surface applied to the raw steel during the rolling process. The fittings have the original oiled surface of the coil or strip steel material. Plain finish is ideal if you plan to weld the material. Please Note: We also offer volume discounts on larger orders. Please contact Unistrut Service Company for a custom quote on your bulk order.

    *
    *
    • Some cutting jobs allow us to use ground shipping rather than LTL, yielding significant freight savings. A customer service associate will contact you to confirm the cut list and shipping and freight costs prior to finalizing your order.
    • eg - 4 cuts per stick x 5ft per section
    $96.91
    Request a Quote

    Have a larger project in mind?

    Check out our cutting, kitting, and bundling as well as our assembly and fabrication services. Or give one of our engineers a call.

UNISTRUT A3300 Framing
The Unistrut A3300 is a 1-1/4" X 3/4" Unistrut channel. It is slightly shorter than the A1000. It has a 14 ga (.075") wall.

1-1/4" X 3/4" Unistrut channel. 14 ga (.075") wall.--0.78 lbs/ft.

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free ground shipping on fittings & channel nuts when you spend $35 or more! *Exclusions Apply

Elements of Section - A3300

Area of Section 0.230 in2 (1.5 cm2)
Axis 1-1 Axis 2-2
Moment of Inertia (I) 0.017 in4 (0.7 cm4) 0.052 in4 (2.2 cm4)
Section Modulus (S) 0.038 in3 (0.6 cm3) 0.083 in3 (1.4 cm3)
Radius of Gyration (r) 0.269 in (0.7 cm) 0.477 in (1.2 cm)

Raw steel conforms to the following ASTM specifications:

GAUGE FINISH ASTM NO.
12 GR & HG A1011 SS GR 33
PG A653 GR 33
14 GR & HG A1011 SS GR 33
PG A653 GR 33
16 GR & HG A1011 SS GR 33
PG A653 GR 33
19 GR A1008
  • GR = Perma-Green® III
  • PG = Pre-Galvanized Zinc
  • HG = Hot-Dipped Galvanized