For deburring machined openings, smoothing rough edges, and blending metal surfaces inside wider recesses, the United Abrasives 38113 Straight Cartridge Roll provides effective cutting action in a compact cylindrical abrasive configuration. Featuring a 3/4" diameter, 1-1/2" length, and 60-grit premium aluminum oxide abrasive, this cartridge roll supports coarse-to-intermediate sanding, flash removal, and initial surface preparation. Its straight design allows operators to work along channels, fillets, internal side walls, recessed contours, and the bottoms of dead-end holes where larger grinding wheels or abrasive discs may restrict access. The 60-grit abrasive removes burrs and machining marks while producing a finer sanding pattern than the coarser 40-grit version. United Abrasives identifies ferrous metals, non-ferrous metals, stainless steel, and high-tensile steel as suitable workpiece materials.
The United Abrasives 38113 features a multi-layer, self-dressing construction that exposes fresh cutting abrasive as successive layers wear away, helping maintain effective sanding action during use. Its 3/16" arbor opening corresponds to the manufacturer-specified 95107 cartridge roll mandrel for mounting on compatible rotary tools. With a maximum operating speed of 18,000 RPM, this abrasive requires appropriately matched equipment, particularly when selecting a die grinder capable of operating at higher speeds. The 3/4" diameter offers broader abrasive contact than smaller cartridge rolls where adequate clearance is available, while the 1-1/2" length provides working coverage along extended internal surfaces. Supplied in a box of 100, the 38113 supports recurring deburring and surface preparation requirements in machining facilities, fabrication shops, toolrooms, and industrial maintenance departments.
Type: Straight Cartridge Roll | Part Number: 38113 | Abrasive Material: Premium Aluminum Oxide | Diameter: 3/4" | Length: 1-1/2" | Arbor: 3/16" | Grit: 60 | Max RPM: 18,000 | Mandrel Part Number: 95107 | Quantity: 100 per Box | Material Application: Ferrous Metals, Non-Ferrous Metals, Stainless Steel, High-Tensile Steel
Features:
- Premium aluminum oxide abrasive grain provides effective cutting action for sanding, deburring, and blending ferrous and non-ferrous metal surfaces.
- 60-grit abrasive supports removal of machining burrs, flash, and rough surface marks while providing a finer sanding pattern than coarser 40-grit rolls.
- 3/4" diameter provides a broader abrasive contact area for wider channels, accessible cavities, and recessed metal surfaces.
- 1-1/2" straight cylindrical configuration allows sanding along internal side walls, fillets, grooves, and the bottoms of dead-end holes.
- Multi-layer, self-dressing construction exposes sharp, new cutting abrasive as successive layers wear away, helping sustain material removal effectiveness.
- 3/16" arbor configuration corresponds to United Abrasives mandrel part number 95107 for appropriately matched mounting.
- Quick removal and installation help reduce interruptions when changing cartridge rolls during repetitive finishing operations.
- Supplied in boxes of 100 for consistent abrasive stocking and replenishment in machining, fabrication, and maintenance environments.
Applications:
- Machining and CNC workshops - Removing residual machining burrs, blending tool marks, and smoothing wider internal grooves on machined metal components.
- Metal fabrication and welding - Cleaning up localized flash, refining rough edges, and preparing recessed metal features for subsequent finishing operations.
- Tool and die manufacturing - Sanding internal fillets, accessible tooling cavities, and recessed contours where a larger cylindrical abrasive provides useful surface contact.
- Stainless steel and alloy steel processing - Performing localized deburring and surface preparation on stainless steel and high-tensile steel workpieces.
- Industrial maintenance and equipment repair - Removing minor surface irregularities and preparing recessed machinery components, fittings, and repair areas for additional finishing.
FAQs:
- Q: What is the difference between United Abrasives 38113 and 38112 Straight Cartridge Rolls?
A: Both models have a 3/4" diameter, 1-1/2" length, 3/16" arbor opening, and 18,000 RPM maximum operating speed. The 38113 features 60-grit abrasive for coarse-to-intermediate sanding, while the 38112 uses coarser 40-grit abrasive for more aggressive material removal. - Q: Should I choose the 38113 or a finer 80-grit cartridge roll?
A: Choose the 60-grit 38113 when removing burrs, machining marks, or rough surface material is the primary task. An 80-grit option, such as the United Abrasives 38114, is better suited to intermediate surface blending when a finer sanding pattern is preferred. - Q: Can the United Abrasives 38113 be used on stainless steel?
A: Yes. United Abrasives lists stainless steel and high-tensile steel among the suitable materials, along with ferrous and non-ferrous metals. When preventing cross-contamination is important, use abrasives dedicated to stainless steel rather than rolls previously used on carbon steel. - Q: Which mandrel is recommended for United Abrasives part number 38113?
A: The United Abrasives 2025-2026 catalog specifies mandrel part number 95107 for this cartridge roll. The roll has a 3/16" arbor opening. Verify correct mounting engagement, secure installation, and compatibility with the rotary tool before operation. - Q: Can this cartridge roll be used with a 25,000 RPM die grinder?
A: No. The 38113 has a maximum operating speed of 18,000 RPM, so a die grinder with a maximum speed of 25,000 RPM exceeds the abrasive's rating. Select a tool and mandrel combination that complies with the manufacturer's operating speed limits. - Q: How many cartridge rolls are supplied in a box?
A: United Abrasives part number 38113 is sold in a box of 100 straight cartridge rolls. The manufacturer specifies mandrel part number 95107, but the package contents should be confirmed separately before assuming a mandrel is supplied.
Available Variations and Specifications
| SKU (Qty 100) |
Base Dia | Length | Arbor | Grit | Max RPM | Mandrel Part # |
|---|---|---|---|---|---|---|
| 38070 | 1/2" | 1-1/2" | 3/16" | 36 | 26,000 | 95107 |
| 38071 | 1/2" | 1-1/2" | 1/8" | 40 | 26,000 | 95104 |
| 38072 | 1/2" | 1-1/2" | 1/8" | 50 | 26,000 | 95104 |
| 38073 | 1/2" | 1-1/2" | 1/8" | 60 | 26,000 | 95104 |
| 38074 | 1/2" | 1-1/2" | 1/8" | 80 | 26,000 | 95104 |
| 38076 | 1/2" | 1-1/2" | 1/8" | 120 | 26,000 | 95104 |
| 38080 | 1/2" | 2" | 1/8" | 60 | 26,000 | 95103 |
| 38081 | 1/2" | 2" | 1/8" | 80 | 26,000 | 95103 |
| 38083 | 1/2" | 2" | 1/8" | 120 | 26,000 | 95103 |
| 38087 | 1/2" | 2" | 3/16" | 60 | 26,000 | 95106 |
| 38088 | 1/2" | 2" | 3/16" | 80 | 26,000 | 95106 |
| 38089 | 1/2" | 2" | 3/16" | 120 | 26,000 | 95106 |
| 38093 | 5/8" | 1-1/2" | 1/8" | 60 | 18,000 | 95104 |
| 38094 | 5/8" | 1-1/2" | 1/8" | 80 | 18,000 | 95104 |
| 38095 | 5/8" | 1-1/2" | 1/8" | 120 | 18,000 | 95104 |
| 38112 | 3/4" | 1-1/2" | 3/16" | 40 | 18,000 | 95107 |
| 38113 | 3/4" | 1-1/2" | 3/16" | 60 | 18,000 | 95107 |
| 38114 | 3/4" | 1-1/2" | 3/16" | 80 | 18,000 | 95107 |
| 38119 | 3/4" | 2" | 3/16" | 40 | 18,000 | 95106 |
| 38120 | 3/4" | 2" | 3/16" | 60 | 18,000 | 95106 |
| 38121 | 3/4" | 2" | 3/16" | 80 | 18,000 | 95106 |
| 38122 | 3/4" | 2" | 3/16" | 120 | 18,000 | 95106 |
| 38126 | 1" | 1-1/2" | 1/4" | 60 | 18,000 | 95102 |
| 38127 | 1" | 1-1/2" | 1/4" | 80 | 18,000 | 95102 |
| 38128 | 1" | 1-1/2" | 1/4" | 120 | 18,000 | 95102 |
| 38132 | 1" | 2" | 1/4" | 60 | 18,000 | 95101 |
| 38133 | 1" | 2" | 1/4" | 80 | 18,000 | 95101 |
| 38134 | 1" | 2" | 1/4" | 120 | 18,000 | 95101 |
Looking for more information about United Abrasives Straight Cartridge Roll? For help choosing the correct United Abrasives Straight Cartridge Rolls for your application, please call (800) 608-5210 or email info@intlairtool.com
- Type
- Straight Cartridge Roll
- Diameter (in.)
- 3/4
- Length (in.)
- 1-1/2
- Arbor Hole (in.)
- 3/16
- Grit
- 60
- RPM
- 18000
- Mandrel Part
- 95107
- Box of
- 100
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