Product Introduction
The 3M™ Cloth Spiral Band 747D is a tube-style abrasive band engineered for grinding, sanding, and shaping contoured surfaces. It features a blend of ceramic and aluminum oxide minerals for high-performance cutting, extended durability, and excellent heat resistance—ideal for stainless steel, nickel alloys, and other metals.
3M™ Cloth Spiral Band 747D Features:
- Ceramic and aluminum oxide blend provides aggressive cutting and long life
- Durable cotton backing withstands heat and pressure
- Grinding aid reduces temperature buildup on heat-sensitive metals
- Conforms to both internal and external contours
- Resin bond enhances strength and durability
3M™ Cloth Spiral Band 747D Applications:
- Removing parting lines, burrs, and surface imperfections
- Sanding stainless steel, nickel alloys, and hard metals
- Shaping and smoothing contoured workpieces
- Foundry operations, die grinding, and detailed fabrication work
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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Typical Properties
| Property | Value |
| Abrasive Material | Ceramic Aluminum Oxide |
| Application | Finishing, Deburring, Grinding, Polishing |
| Back Color | Gray |
| Backing Material | Cloth, Cotton Cloth |
| Backing Weight | X Weight |
| Brands | 3M |
| Coat Type | Closed Coat |
| Equipment – Machines | Inline Sanders, Die Grinders |
| For Use On | Stainless Steel |
| Grit | 36, 50, 60, 80, P100, P120, P150 |
| Industries | Metalworking, Marine |
| Inner Diameter (Imperial) | 0.375 in, 0.5 in, 0.75 in, 1 in, 1.5 in, 2 in, 3 in |
| Inner Diameter (Metric) | 9.525 mm, 12.7 mm, 19.05 mm, 25.4 mm, 38.1 mm, 50.8 mm, 76.2 mm |
| Maximum Speed | 11000 rpm |
| Net Weight (Imperial) | 0.09 lb, 0.62 lb, 0.64 lb, 0.77 lb, 0.88 lb, 0.97 lb, 1.06 lb |
| Net Weight (Metric) | 0.04 kg, 0.28 kg, 0.29 kg, 0.35 kg, 0.4 kg, 0.44 kg, 0.48 kg |
| Product Color | Orange, Brown |
| Product Form | Spiral Band, Band |
| Sub Applications | Polishing Internal Diameters, Contour Finishing, Blending Corners, Deburring Internal Diameters |
| Sub Industries | Metal Fabrication |
| Overall Diameter (Imperial) | 0.375 in, 0.5 in, 0.75 in, 1 in, 1.5 in, 2 in, 3 in |
| Overall Diameter (Metric) | 9.525 mm, 12.7 mm, 19.05 mm, 25.4 mm, 38.1 mm, 50.8 mm, 76.2 mm |
| Overall Length (Imperial) | 0.5 in, 0.75 in, 1 in, 1.5 in, 2 in |
| Overall Length (Metric) | 12.7 mm, 19.05 mm, 25.4 mm, 25.4 mm, 38.1 mm, 50.8 cm |
| Overall Width (Metric) | 12.7 mm, 19.05 mm, 25.4 mm, 38.1 mm, 50.8 mm |
