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Three-Arm Knob | VB.639

Supplier: Oceania Industrial Components

The VB.639 Three-Arm Knob has been designed for heavy duty work where the use of a hammer for a firmer clamping action is required.

Price Guide: POA

Technical Information:

  • Material - Glass-fibre reinforced polyamide based technopolymer (PA) with the exception of VB.639/130 which is in glass-fibre reinforced polypropylene based (PP) technopolymer. The VB.639 Three-Arm Knob is resistant to solvents, oils, greases and other chemical agents.
  • Colour - Black, matte finish.


  • Execution A: black-oxide steel boss, plain blind hole.
  • Execution B: brass boss, tapped blind hole.

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