The 3M™ SR Cutter is a plastic rotary cutting tool with an attached 1/4"-28 male threaded metal mandrel for use on slow speed right angle drills. Our SR Cutter works quickly and efficiently to peel off sealants or other thick coatings with minimal to no abrasion to the underlying base material, replacing tedious scraping by hand and messy chemical solvents.
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No. 3 Cutter: For fillet seals and flat applications, place the No. 3 SR Cutter at head of sealant bead so that the side of cutter contacts the sealant. Apply firm pressure downward onto the sealant and use low rotational speed (throttle down on drill) to remove sealant from one spot without moving the drill back and forth. When the substrate is exposed, increase the rotational speed of the drill and move the tool along the strip of sealant, making sure that the cutter blades adjacent to the substrate rotate into the remaining sealant bead. |
No. 3 (.4") |
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No. 8 Cutter: For fastener heads, be sure that the inner diameter of the No. 8 SR Cutter will completely fit over the head of the fastener. Place the cutter on top of the fastener with firm pressure. Using the drill throttle, run at low speed to cut away sealant from around the fastener. Remove the sealant by "jogging" the drill in a start-stop fashion several times—this prevents unwanted frictional heat that may degrade the sealant or blunt the cutter. |
No. 8 (1") |
Applications | Cleaning |
Brands | 3M™ |
Product Type | SR Cutter |
Overall Diameter (Metric) | 10.16 mm, 21.082 mm |
Overall Width (Metric) | 24.765 mm, 25.781 mm |
Application Guides
(PDF , 12MB)
Application Guides
(PDF , 65MB)
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