B&B two hole pins are for precise flange leveling and alignment. The PN 2120 are steel pins with built in levels eliminating the need for two additional level tools. These flange pins fit-up 1 ½” flange holes and have a “wobble” nut that acts as a quick release feature reducing time setting up and breaking down flange alignment.


  • B&B Flange Pins are an economical and efficient way to align flanges.
  • PN 2120 for use in ½” – 1 ½” holes
  • PN 2120 are steel with a durable zinc coated finish.
  • Both flange pins offer knurled handles for increase grip and tightening ability.
  • PN 2120 offers a quick release handle and a level built into each tool.