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DeFelsko SAWKNOB20 | Hole Saw with Knob 20 mm | Adhesion Test Area Isolation
Part Number : SAWKNOB20
Sized for 20 mm dollies, the DeFelsko SAWKNOB20 hole saw with knob scores or cuts through a coating around the dolly on a PosiTest AT test, so the pull acts on a defined 20 mm area and surplus glue is removed. For coatings with strong lateral bonding, cutting right through to the substrate is recommended.
Key features
- 20 mm cutting diameter with knob
- Isolates a 20 mm test area around the dolly
- Also clears excess glue before the pull-off test
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