Size of RF Ceramic Ferrule: PF6~PF24
Main Raw Material: Cordierite
Original: Jiangsu, China
Delivery time: Around 15~20 days after receiving deposit
RF Ceramic Ferrule
RF ceramic ferrule is designed for threaded stud with reduced shaft, there are also 7 sizes similar as PF ceramic ferrule for choice: RF6, RF8, RF10, RF12, RF16, RF20, RF24.
RF ceramic ferrule’s main raw material is cordierite. And by molding, making green body, calcining, etc. It is widely used for magnetic force floating railway engineer, building bridge, building railway, large power plant, plane depot that needs wide span.

Dimensions of Ceramic Ferrule for Threaded Studs with Reduced Shaft(RF) | ||||
---|---|---|---|---|
Dimensions in milllimeters | ||||
Form | ![]() | ![]() | ![]() | ![]() |
RF 6 | 6.2 | 9.5 | 12.2 | 10 |
RF 8 | 8.2 | 12 | 15.3 | 9 |
RF 10 | 10.2 | 15 | 18.5 | 11.5 |
RF 12 | 12.2 | 17 | 20 | 13 |
RF 16 | 16.3/14 a | 20.5/26.2 a | 26.5/32.5 a | 15.3/8.8 a |
RF 20 | 20.3/17.5 a | 26.2/28.5 a | 32 | 22/9 a |
RF 24 | 24.3/21 a | 26.2/30.4 b | 33/36 b | 25/13 a |
a The dimensions after the oblique stroke shall apply if studs, according to values following the oblique stroke in RD stud table b At the manufacturer's discretion |


Benefits of RF Ceramic Ferrule
- Good concentricity and consistency
- Excellent wear and heat resistance
- High strength, endurability, and anti-aging performance
- Extremely precise design as well as customized products
Why chooses Sino Stone?
Sino Stone choose quality cordierite and other raw material from famous company Sinopec Group and Sinopec Shanghai Petrochemical Company Limited with good mechanical properties and weld performance, which can ensure the stud welding’s results.


PACKAGING FOR RF CERAMIC FERRULE
Firstly, the ceramic ferrules are packaged in carton layer by layer.
Secondly, the cartons are loaded in pallet binding with plastic sheeting for repelling moisture.
Finally, the pallets are put in the container.






Sino Stone can also package according to the clients’ requirements.