Plastic / Urethane Hole-Formers 

• Available for ANY Round Wall or Flat Wall
• CUSTOM MADE in our Machine Shop
• Ideal for Small Hole Needs
• Any Mounting Option Available:
  – Coil Insert
  – Magnet
  – Thru-Hole W/Bolt Assembly
  – ETC.

Small Custom Solid Urethane
Hole-Former

Round, Plastic Hole-formers – a variety of attachment methods are available
(Magnetic attachment shown above)

ANY diameter, thickness, and taper are available

Custom Urethane Mandrels (Septi-Seal gasket mandrel shown)

Blackthorn’s Urethane Hole-Formers used in a Dry Well Form

Custom Solid Plastic Rectangular Blockout