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Description
The 3M 7100230888 is the 3M SR Cutter designed for efficient, non abrasive removal of sealants and coatings in aerospace and industrial maintenance. The plastic rotary cutter uses durable cylindrical blades and a ¼ inch -28 male threaded metal mandrel to attach to right angle drills, replacing manual scraping and solvent cleaning. The SR Cutter removes polysulfide, polyurethane, RTV and silicone sealants quickly while minimising damage to primers, paint and substrate. Available in cutter styles for fillet seals and fastener heads, the tool improves productivity and reduces rework in repair and teardown workflows. Use this 3m sr cutter where fast, controlled sealant removal is required without chemical solvents.
Product Features and Benefits
Non abrasive plastic blades for substrate protection
The 3m sr cutter has cylindrical plastic cutters that remove sealant with minimal abrasion to paint, primer or metal, reducing follow-up repair or repainting. Blades remain effective without resharpening.
1/4"-28 metal mandrel for right-angle drills
Robust metal mandrel provides secure mounting to right angle power tools for controlled low speed operation and repeatable performance on aircraft and structural assemblies.
Two cutter styles for fillets and fastener heads
No. 3 cutter (0.4" Ø) fits between rivets and into tight spaces; No. 8 cutter (≈1" Ø) fits over fastener heads for thorough removal around protrusions.
Replaces manual scraping and chemical solvents
Speeds sealant removal operations, eliminates solvent handling and waste, and reduces operator fatigue compared with manual scraping tools.
Product Specifications
| Manufacturer Part Number | 7100230888 |
| Legacy SKU | 61500334398 |
| Overall Diameter (Inch) | 0.4" |
| Overall Diameter (mm) | 10.16mm |
| Overall Width (Inch) | 0.975" |
| Overall Width (mm) | 24.765mm |
| Abrasive Material | Non Pertinent |
| Backing Material | Non Pertinent |
| Product Type | SR Cutter |
Frequently Asked Questions
Can the 3M SR Cutter remove polysulfide sealant without damage to the substrate?
Yes, it is engineered to remove polysulfide, RTV and similar sealants while minimising abrasion to paint, primers and metal.
Is this a 3M SR Cutter with metal mandrel suitable for a right angle drill?
Yes, it features a ¼ inch to 28 male threaded metal mandrel for secure attachment to right angle drills and power tools.
Is the SR Cutter suitable as an aerospace sealant removal tool and plastic rotary cutter for coatings?
Yes, it is widely used in aerospace for clean removal of sealants and coatings without operator resharpening.
Are there cutter sizes to fit between rivets and over fastener heads for non-abrasive removal?
Yes, No. 3 and No. 8 cutter styles fit between rivets or over fastener heads to provide non abrasive sealant removal.
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
