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CFC Threads, Bolts and Rods.


CFC Threads, Bolts and Rods

Neftec offers class leading CFC Threads, studs, nuts, bolts and CFC Rods for heat-treatment and Vacuum furnace market. CFC Threads are extensively used throughout the construction of; vacuum furnaces, Solar Cell manufacturing, silicon ingot growing, fixtures and fittings.

High performing CFC Threads and other CFC threaded/Non-threaded components are a key Heat-treatment industry, but often overlooked. The correct CFC Thread is vital for many heat-treatment structures and it’s important choose the correct CFC Thread to minimise failure and production downtime. For this reason, Neftec CFC threads are favoured by many leading furnace manufacturers and resellers.

Short-fibre carbon composite CFC threaded bars, bolts, nuts and plain rods offer a lot of advantages over traditional long-fibre composites and high-temperature alloys. The high density and very high inter-laminar strength allows for far greater accuracy and tolerances when machining. This gives a cleaner thread but it also regains it’s high-strength due to the low risk of de-lamination.

Neftec’s CFC threads offer peace of mind to our customers, they know our products offer exceptional reliability, quality and long-life.

  • High Density
  • Wide range of nuts and washers
  • Excellent flexural strength
  • Will not warp from prolonged use
  • Available in metric and imperial sizes
  • Neftec can produce customer specific bolts
  • Low risk of de-lamination
  • Available in PC70, PC40 and PC30


CFC Threads CFC Thread CFC Round nut CFC Thread



Material Grade



Bulk Density g/cm3 1.7 1.7
Flexural Strength MPa 200 200
Compressive Strength MPa 210 190
Interlaminar Shear Strength MPa 18 16
( RT-1300C ) 10-6/C 1.3 0.3
Coefficient of Thermal Expansion 10-6/C 10 10.6
Thermal W/m・K 35 75
12 20
Specific Heat 20C J/Kg・K 720 740
Electrical Resistivity μΩcm 2000 1000
Sharpy Impact Strength KJ/m2 20
Shore Hardness 75
Temperature Rating


Carbon/Carbon Composite Threaded Rod

Neftec Material Grade

M5 X 1000mm to M40 x 1000mm PC70/PC40
Φ6 X 1000mm to Φ40 x 1000mm PC70/PC40