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Description
The 3M 7010509300 is the 675L series diamond microfinishing film belt, measuring 1″ × 120″ OAL with a precise 45μm grit. This high‑precision abrasive belt is engineered for fine microfinishing and deburring of hard substrates such as thermal spray coatings, ceramics, carbides, and granite. Utilizing a water‑resistant polyester backing, it supports wet or dry use and maintains stability under coolant applications. As part of the 3M Diamond Microfinishing Belt line, this belt is optimized for consistent surface quality and long-term industrial use.
Product Features and Benefits
Micron-Graded Diamond Mineral for Fine Precision
Embedded 45μm diamond particles produce tight tolerance surface finishes, ideal for applications demanding smooth Ra metrics.
Durable Polyester Film Backing
The belt features a water‑resistant polyester backing which allows use with water or oil‑based lubricants, ensuring cooler operation and extended belt life.
Accurate 1″ Width × 120″ Length Format
Designed to match standard tooling, the belt’s 1 in × 120 in configuration offers flexibility for continuous belt systems and contour finishing applications.
Color-Coded Grade Identification
Gray‑coded backing visually denotes the 675L series, reducing grade confusion and improving workflow efficiency in multi‑grade setups.
Product Specifications
| Manufacturer Part Number | 7010509300 |
| Overall Length (Inch) | 120.0" |
| Overall Length (mm) | 3048.0mm |
| Overall Width (Inch) | 1.0" |
| Overall Width (mm) | 25.4mm |
| Backing Thickness (Inch) | 5.0 mil |
| Backing Thickness (mm) | 0.127mm |
| Abrasive Material | Diamond |
| Backing Material | Polyester Film |
| Color Family | Gray |
| Micron Grade | 45 μm |
| Product Color | Gray |
| Product Form | Belt |
| Product Number | 675L |
Frequently Asked Questions
What is the grit grade of the diamond microfinishing belt?
It uses 45 micron‑graded diamond mineral.
Is this belt truly 1 in × 120 in in size?
Yes, the vendor‑specified format is 1″ width by 120″ overall length.
Can the belt be used with water or oil lubricants?
Yes, its polyester film backing is water‑resistant for wet or dry finishing.
Does this belt reduce grade selection errors?
Yes, the gray color‑coding simplifies identification of the 675L grade.
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
