Order by 24/7 by web, contact our sales reps or call by phone.
What you need, when you need it, all in one place.
Most orders ship same day.
Advice and support from knowledgeable professionals.
3M 236U 120 grit sanding sheet is a 3M abrasive sheet designed for industrial and occupational sanding where consistent cut and control are important. The sheet uses aluminum oxide abrasive, which delivers a cutting action suitable for controlled stock removal and surface preparation in shop environments. The abrasive is bonded to a C-weight paper backing, giving the sheet a balance of firmness and flexibility that supports flat work while still conforming to modest contours. The 3 inch x 4 inch size keeps the sanding area focused, which helps during detail work and tight spots on workpieces. A Hook & Loop attachment interface works with compatible back-up pads, allowing the sheet to be applied and removed without tools so changes between sheets can follow workflow demands. The no hole design presents a continuous abrasive surface, which matters when the operator wants uninterrupted contact across the full face of the sheet.
This 3M Hook & Loop aluminum oxide sanding sheet is built to pair with compatible hook-style back-up pads, so the Hook & Loop interface can secure the sheet across the 3 inch x 4 inch area during sanding. The C-weight paper backing lets the sheet sit flat on the pad face, which supports even pressure across the abrasive surface in industrial setups. The 120 grit abrasive face works as a medium-fine step in a sanding sequence, which matters when moving from more aggressive cutting to surface preparation stages on shop workpieces. The no hole pattern keeps the sheet surface continuous, which supports full-face contact when the operator is guiding the pad along edges, profiles, or flat panels in an occupational environment.
This 3M 236U abrasive sheet is intended for industrial and occupational use, so it is aimed at trained users working in workplace sanding operations. The 3 inch x 4 inch dimensions suit tasks where the sanding area is confined, such as detail zones, small panels, or tight corners that benefit from a compact abrasive face. The aluminum oxide grain on C-weight paper supports sanding steps where firm backing is helpful, including leveling surfaces between process stages or refining areas previously cut with coarser abrasives. Because the sheet is part of the 3M Hookit system, it functions within setups that rely on Hook & Loop attachment to move efficiently through sanding sequences. The 120 grit level positions this sheet for medium-fine work, such as blending or preparing surfaces that are approaching a finish-ready stage in an occupational process.
The Hook & Loop backing on this 3M 3x4 no hole sanding sheet allows repeated attachment and removal on compatible pads, which supports consistent positioning of the abrasive during each use. The C-weight paper backing keeps the sheet relatively rigid compared with lighter grades, which helps maintain flatness and even pressure when the operator passes over work surfaces. The no hole layout keeps the entire 3 inch x 4 inch face active, so each stroke uses the full abrasive area for predictable contact patterns on the workpiece. The 120 grit aluminum oxide surface establishes a known scratch profile that can be repeated across parts, which matters when multiple components must match in appearance through the same sanding sequence. Because the sheet is designed and labeled for industrial and occupational applications, it aligns with shop workflows that rely on designated abrasives for workplace use.
This 3M 236U 120 grit sanding sheet uses aluminum oxide abrasive on C-weight paper, which affects cutting behavior and supports firm backing during industrial sanding tasks.
The 3 inch x 4 inch size concentrates the abrasive area, which helps target sanding in smaller zones, corners, or detail areas common in shop and workplace projects.
The Hook & Loop interface allows this 3M Hookit 3x4 sanding sheet to fasten to compatible pads, so sheets can be changed quickly while maintaining consistent positioning.
This sanding sheet is described as no hole because the abrasive face is continuous, which provides uninterrupted contact across the full 3 inch x 4 inch surface during sanding.
C-weight paper backing gives the sheet a relatively firm support, which helps it stay flat on the pad and can improve consistency on flat or lightly contoured surfaces.
3M industrial and occupational products, including this sanding sheet, are intended, labeled, and packaged for trained industrial and occupational customers for workplace use.
This 3M aluminum oxide sanding sheet pairs a 3 inch x 4 inch format with Hook & Loop attachment, giving industrial and occupational users a compact abrasive that fits Hookit-style workflows. The 120 grit level and C-weight paper backing position the sheet for medium-fine sanding where controlled cut and steady backing are important in workplace processes. For sanding steps that call for a 3M 236U 120 grit sanding sheet with no hole design and Hook & Loop interface, this sheet aligns with those requirements in an industrial setting.
Sold In: 50 Sheet