- Yellow plastic ring acts as an insert locator when forms are removed.
- Plastic ring creates a countersunk recess to keep internal threads clean from concrete residue.
- Nails snap off with the swipe of a hammer after the forms are removed.
Hammer and insert
Pour Concrete & Strip Formwork
Hammer off nails
Use insert for threaded rod
|5BB10||Double Hammer Banger M10||M10||20|
|5BB12||Double Hammer Banger M12||M12||20|