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Our customers often use round fiberglass rods as structural support, framing, and fabric reinforcement. Perhaps you’re making antennas, flags, tarp containment, or boat covers. The opportunities are endless! Also known as glass fiber rods, solid fiberglass rods are available in black or white, are inexpensive, non-conductive, and extremely durable. We stock solid round fiberglass rod sizes from .062” to .750” in diameter and up to 12 feet long for custom cut orders. All lengths listed below are +/- 0.25″ and all diameters listed are +/- 0.005″.
We can accommodate large orders and custom cutting – please contact us at 206-632-6151 or [email protected] to speak with a composites engineer.
Click on the product number to view product details, product pictures, related products, and more!
MetricSAE
Fraction to Decimal Conversions: 
| Product # | Name | O.D. | Length | Color | Weight | Each | 6+ | 12+ | 24+ | 48+ | 144+ | Qty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSB062036 | .062" x 36" Black Solid Fiberglass | .062" | 36" | 0.130 oz | $2.19 | $2.04 | $1.90 | $1.77 | $1.65 | $1.57 | ||
FSW062036 | .062" x 36" White Solid Fiberglass | .062" | 36" | 0.130 oz | $2.19 | $2.04 | $1.90 | $1.77 | $1.65 | $1.57 | ||
FSB062048 | .062" x 48" Black Solid Fiberglass | .062" | 48" | 0.173 oz | $2.83 | $2.63 | $2.50 | $2.35 | $2.21 | $2.07 | ||
FSW062048 | .062" x 48" White Solid Fiberglass | .062" | 48" | 0.173 oz | $2.83 | $2.63 | $2.50 | $2.35 | $2.21 | $2.07 | ||
FSB062072 | .062" x 72" Black Solid Fiberglass | .062" | 72" | 0.258 oz | $4.34 | $4.06 | $3.78 | $3.49 | $3.26 | $3.13 | ||
FSW062072 | .062" x 72" White Solid Fiberglass - Temporarily Out of Stock | .062" | 72" | 0.258 oz | $4.34 | $4.06 | $3.78 | $3.49 | $3.26 | $3.13 | Out of Stock | |
FSB080036 | .080" x 36" Black Solid Fiberglass - Temporarily Out of Stock | .080" | 36" | 0.208 oz | $2.37 | $2.19 | $2.05 | $1.91 | $1.78 | $1.69 | Out of Stock | |
FSW080036 | .080" x 36" White Solid Fiberglass | .080" | 36" | 0.208 oz | $2.37 | $2.19 | $2.05 | $1.91 | $1.78 | $1.69 | ||
FSB080048 | .080" x 48" Black Solid Fiberglass - Limited quantities available | .080" | 48" | 0.278 oz | $3.20 | $2.91 | $2.70 | $2.55 | $2.41 | $2.27 | ||
FSW080048 | .080" x 48" White Solid Fiberglass | .080" | 48" | 0.278 oz | $3.20 | $2.91 | $2.70 | $2.55 | $2.41 | $2.27 | ||
FSB080072 | .080" x 72" Black Solid Fiberglass - Temporarily Out of Stock | .080" | 72" | 0.418 oz | $4.70 | $4.34 | $4.06 | $3.78 | $3.54 | $3.35 | Out of Stock | |
FSW080072 | .080" x 72" White Solid Fiberglass | .080" | 72" | 0.418 oz | $4.70 | $4.34 | $4.06 | $3.78 | $3.54 | $3.35 | ||
FSB098036 | .098" x 36" Black Solid Fiberglass | .098" | 36" | 0.328 oz | $2.37 | $2.19 | $2.05 | $1.91 | $1.78 | $1.69 | ||
FSW098036 | .098" x 36" White Solid Fiberglass | .098" | 36" | 0.328 oz | $2.37 | $2.19 | $2.05 | $1.91 | $1.78 | $1.69 | ||
FSB098048 | .098" x 48" Black Solid Fiberglass - Temporarily Out of Stock | .098" | 48" | 0.437 oz | $3.20 | $2.91 | $2.70 | $2.55 | $2.41 | $2.27 | Out of Stock | |
FSW098048 | .098" x 48" White Solid Fiberglass | .098" | 48" | 0.437 oz | $3.20 | $2.91 | $2.70 | $2.55 | $2.41 | $2.27 | ||
FSB098072 | .098" x 72" Black Solid Fiberglass | .098" | 72" | 0.654 oz | $4.55 | $4.34 | $4.06 | $3.78 | $3.54 | $3.35 | ||
FSW098072 | .098" x 72" White Solid Fiberglass | .098" | 72" | 0.654 oz | $4.55 | $4.34 | $4.06 | $3.78 | $3.54 | $3.35 | ||
FSB125036 | .125" x 36" Black Solid Fiberglass | .125" | 36" | 0.506 oz | $2.55 | $2.34 | $2.18 | $2.04 | $1.90 | $1.78 | ||
FSW125036 | .125" x 36" White Solid Fiberglass | .125" | 36" | 0.506 oz | $2.55 | $2.34 | $2.18 | $2.04 | $1.90 | $1.78 | ||
FSB125048 | .125" x 48" Black Solid Fiberglass | .125" | 48" | 0.699 oz | $3.41 | $3.20 | $2.97 | $2.78 | $2.55 | $2.41 | ||
FSW125048 | .125" x 48" White Solid Fiberglass | .125" | 48" | 0.699 oz | $3.41 | $3.20 | $2.97 | $2.78 | $2.55 | $2.41 | ||
FSB125072 | .125" x 72" Black Solid Fiberglass | .125" | 72" | 1.032 oz | $5.06 | $4.63 | $4.34 | $4.06 | $3.78 | $3.54 | ||
FSW125072 | .125" x 72" White Solid Fiberglass | .125" | 72" | 1.032 oz | $5.06 | $4.63 | $4.34 | $4.06 | $3.78 | $3.54 | ||
FSB156036 | .156" x 36" Black Solid Fiberglass | .156" | 36" | 0.866 oz | $2.77 | $2.56 | $2.37 | $2.23 | $2.07 | $1.97 | ||
FSW156036 | .156" x 36" White Solid Fiberglass | .156" | 36" | 0.866 oz | $2.77 | $2.56 | $2.37 | $2.23 | $2.07 | $1.97 | ||
FSB156048 | .156" x 48" Black Solid Fiberglass | .156" | 48" | 1.154 oz | $3.69 | $3.41 | $3.20 | $2.97 | $2.78 | $2.63 | ||
FSW156048 | .156" x 48" White Solid Fiberglass | .156" | 48" | 1.154 oz | $3.69 | $3.41 | $3.20 | $2.97 | $2.78 | $2.63 | ||
FSB156072 | .156" x 72" Black Solid Fiberglass | .156" | 72" | 1.534 oz | $5.49 | $5.06 | $4.70 | $4.40 | $4.11 | $3.92 | ||
FSW156072 | .156" x 72" White Solid Fiberglass | .156" | 72" | 1.534 oz | $5.49 | $5.06 | $4.70 | $4.40 | $4.11 | $3.92 | ||
FSB187048 | .187" x 48" Black Solid Fiberglass | .187" | 48" | 1.426 oz | $3.69 | $3.41 | $3.20 | $2.97 | $2.78 | $2.63 | ||
FSW187048 | .187" x 48" White Solid Fiberglass | .187" | 48" | 1.426 oz | $3.69 | $3.41 | $3.20 | $2.97 | $2.78 | $2.63 | ||
FSB187072 | .187" x 72" Black Solid Fiberglass | .187" | 72" | 2.144 oz | $5.63 | $5.19 | $4.83 | $4.54 | $4.26 | $4.06 | ||
FSW187072 | .187" x 72" White Solid Fiberglass | .187" | 72" | 2.144 oz | $5.63 | $5.19 | $4.83 | $4.54 | $4.26 | $4.06 | ||
FSB250048 | .250" x 48" Black Solid Fiberglass - Temporarily Out of Stock | .250" | 48" | 2.784 oz | $3.82 | $3.63 | $3.41 | $3.13 | $2.97 | $2.83 | Out of Stock | |
FSW250048 | .250" x 48" White Solid Fiberglass | .250" | 48" | 2.784 oz | $3.82 | $3.63 | $3.41 | $3.13 | $2.97 | $2.83 | ||
FSB250072 | .250" x 72" Black Solid Fiberglass - Temporarily Out of Stock | .250" | 72" | 4.194 oz | $5.77 | $5.35 | $4.97 | $4.68 | $4.40 | $4.21 | Out of Stock | |
FSW250072 | .250" x 72" White Solid Fiberglass - Temporarily Out of Stock | .250" | 72" | 4.194 oz | $5.77 | $5.35 | $4.97 | $4.68 | $4.40 | $4.21 | Out of Stock | |
FSB312048 | .312" x 48" Black Solid Fiberglass | .312" | 48" | 4.197 oz | $5.06 | $4.63 | $4.34 | $4.06 | $3.78 | $3.54 | ||
FSW312048 | .312" x 48" White Solid Fiberglass | .312" | 48" | 4.197 oz | $5.06 | $4.63 | $4.34 | $4.06 | $3.78 | $3.54 | ||
FSB312072 | .312" x 72" Black Solid Fiberglass | .312" | 72" | 6.238 oz | $7.48 | $6.90 | $6.40 | $5.97 | $5.63 | $5.25 | ||
FSW312072 | .312" x 72" White Solid Fiberglass | .312" | 72" | 6.238 oz | $7.48 | $6.90 | $6.40 | $5.97 | $5.63 | $5.25 | ||
FSB375048 | .375" x 48" Black Solid Fiberglass | .375" | 48" | 5.824 oz | $7.06 | $6.49 | $6.05 | $5.63 | $5.26 | $4.97 | ||
FSW375048 | .375" x 48" White Solid Fiberglass | .375" | 48" | 5.824 oz | $7.06 | $6.49 | $6.05 | $5.63 | $5.26 | $4.97 | ||
FSB375072 | .375" x 72" Black Solid Fiberglass | .375" | 72" | 8.778 oz | $10.53 | $9.76 | $9.05 | $8.48 | $7.91 | $7.48 | ||
FSW375072 | .375" x 72" White Solid Fiberglass | .375" | 72" | 8.778 oz | $10.53 | $9.76 | $9.05 | $8.48 | $7.91 | $7.48 | ||
FSB500048 | .500" x 48" Black Solid Fiberglass | .500" | 48" | 10.658 oz | $12.04 | $11.10 | $10.33 | $9.62 | $9.05 | $8.48 | ||
FSW500048 | .500" x 48" White Solid Fiberglass | .500" | 48" | 10.658 oz | $12.04 | $11.10 | $10.33 | $9.62 | $9.05 | $8.48 | ||
FSB500072 | .500" x 72" Black Solid Fiberglass | .500" | 72" | 16.330 oz | $18.09 | $16.66 | $15.52 | $14.48 | $13.62 | $12.77 | ||
FSW500072 | .500" x 72" White Solid Fiberglass | .500" | 72" | 16.330 oz | $18.09 | $16.66 | $15.52 | $14.48 | $13.62 | $12.77 | ||
FSB750072 | .750" x 72" Black Solid Fiberglass | .750" | 72" | 34.522 oz | $35.29 | $32.59 | $30.29 | $28.30 | $26.49 | $24.92 | ||
FSW750072 | .750" x 72" White Solid Fiberglass | .750" | 72" | 34.522 oz | $35.29 | $32.59 | $30.29 | $28.30 | $26.49 | $24.92 | ||
FSB750096 | .750" x 96" Black Solid Fiberglass | .750" | 96" | 46.080 oz | $47.11 | $43.45 | $40.33 | $37.70 | $35.29 | $33.29 | ||
FSW750096 | .750" x 96" White Solid Fiberglass | .750" | 96" | 46.080 oz | $47.11 | $43.45 | $40.33 | $37.70 | $35.29 | $33.29 |
| Properties | Test Procedures | Solid Rod & Bar |
|---|---|---|
| Glass Content, % by weight | ASTM D2584 | 65 |
| Tensile Strength, psi x 103 | ASTM D3916/ D638 | 100 |
| Tensile Modulus, psi x 106 | ASTM D3916/ D638 | 5.5 |
| Flexural Strength, psi x 103 | ASTM D4476/ D790 | 100 |
| Flexural Modulus, psi x 106 | ASTM D4476/ D790 | 5.5 |
| Compressive Strength psi x 103 | ASTM D695 | 60 |
| Barcol Hardness | ASTM D2583 | 50 |
| Izod Impact, ft.-lb./in. | ASTM D256 | 40 |
| Specific Gravity | ASTM D792 | 1.9 |
| Density, lbs./in3 | ASTM D792 | .069 |
| Water Absorption, % (weight increase after 24 hours immersion) | ASTM D570 | .10 |
| Coefficient of Thermal Expansion, in./in./°C x 10-6 (Axial) | ASTM D696 | – |
| Dielectric Strength, volts/mil. (Method A,type 3 electrode) | ASTM D149 | – |
| Dielectric Strength,kv./in. (Method A,type 1 electrode) | ASTM D149 | – |
| Dielectric Constant, 60 Hz | ASTM D150 | – |
| Arc Resistance, seconds | ASTM D495 | – |
| Volume Resistivity, ohm-cm x 1014 | ASTM D257 | – |