Steel Hole-Formers are an extremely durable hole-forming option. At Blackthorn, we manufacture our steel hole-formers heavy-duty and built to last with precasters in mind.
CUSTOM MADE to Your Specifications!
Available for Flat or Round Wall Structures – ANY diameter or wall thickness.
Great for “Flat Tops.”
Zero-Taper Hole-Formers feature our exclusive, innovative “Mighty-Fine” RELEASE/LOCKING CLAMP for easy setup & removal. See the clamp in action below!
Round Zero-Taper Hole-Former for Flatwall
Cylindrical Wall Zero-Taper Hole-Former
Flatwall Tapered Pans
Cylindrical Wall Tapered Pan
Large Doghouse Zero-Taper Hole-Former
Stepped Tapered Pan