• Antonio
    The fiber splitter box shttps://www.maoyt.com/index.php?r=product/listo nice. Nice quality, nice package, nice service....Looking forward to our next cooperation :)
  • Chris Chataika
    thanks for your fast delivery every time,and sound quality, and every time u offer special support for us. like u company so much
  • Carla Lo.
    dear sophie very time ur voice is so sweet and always provide us full solution and fast reply for us, and help us got more and more business, thanks
Contact Person : Sophie
Phone Number : +86 18688982406

Metal Optical Fiber Adapters , Optic Bare Fiber Adapter ST FC LC ST Round

Place of Origin China
Brand Name YINGDA
Certification ISO,SGS
Model Number ADB-ST-RD
Minimum Order Quantity 100 PCS
Price Negotiable
Packaging Details 1 pc / bag or 10 pc/ blister box
Delivery Time 3 days
Payment Terms T/T or western Union
Supply Ability 50,000pcs per month
Product Details
Material Metal, Plastic House Color Black
Shape Round Type Bare Fiber Adaptor
Weight 12g Fiber Type Single-mode
Polish Methold UPC Insertion Loss <0.2dB
High Light

fiber optic coupler


bare fiber adapter

Leave a Message
Product Description

Optical Fiber Adapter ST, Optic Bare Fiber Adapter ST FC LC ST Round Metal



The optical fiber is connected through the opening sleeve inside adapter, in order to ensure the 

highest performance of optical fiber jumper. In order to fixed on various panel, a variety of fixed 

flange adapters design and manufactured.


Hybrid adapter can connected different types of fiber optic patch cord, also provide APC end face 

connection, duplex or multi-fiber high density installation.


Bare fiber adapter is a kind of professional auxiliary tool for optical fiber test, especially for fiber 

emergency repair and temporary connection.



Model: FC/PC, SC/PC,ST/PC,LC/PC available



Main characteristics:

  • Low insertion loss
  • Good repeatability
  • Easy to use
  • Length: 40MM, Diameter: 13MM
  • Temperature cycle test:-40-+80 °C
  • Interchangeability < 0.2dB
  • Convenient operation, can be observed by the naked eye
  • Reusable, single mode / multi-mode fiber can be used
  • Low insertion loss,  good reflecting inhibition



  1. Bare fiber connector device production
  2. Experiment fiber test
  3. Testing fiber on the reel
  4. Optical fiber through connection test
  5. Two-way communication during optical-fiber cable installation and maintenance
  6. First-aid repair,temporary connection and testing on optical fiber project.





Square / Round



Applicable fiber


Ferrule diameter

123-127 um

Ferrule outder diameter

2.499mm 1.249mm 

Cable diameter

250um & 900um

Insertion Loss


Repeat ability


Tensile strength


Plug time

 >1000 times

Operating Temperature

-40 ~+85℃


Length:40mm, diameter:30mm


How to use:


1. Strip the fiber coating layer (15-20mm) and cleaned with alcohol;

2. Press down the optical fiber adapter switch, push the fiber along the guiding hole slowly until out 

    of the ceramic ferrule (5-6mm),then relax and open ;

3. Use ruby knife delimit fiber bottom gently so as to expose part of fiber, break off the fiber.



Bare Fiber Adapter Round Package: Blister Box FC SC LC ST is the same


Metal Optical Fiber Adapters , Optic Bare Fiber Adapter ST FC LC ST Round 0