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Klingspor SMT 644 Supra Abrasive Mop Disc – For Stainless Steel
The Klingspor SMT 644 Supra abrasive mop disc is a high-performance flap disc developed for demanding stainless steel applications. As part of the Supra product line, it offers a strong balance of cutting power, durability, and smooth finishing, making it an excellent choice for weld removal, fabrication, and surface preparation.
Equipped with zirconia alumina abrasive grain, the SMT 644 Supra delivers fast material removal while maintaining a consistent finish across the workpiece. Its robust flap construction ensures a long service life, while the disc’s balanced design minimises vibration—supporting comfortable, controlled grinding.
✅ Key Features:
Supra quality line – engineered for stainless steel with professional results
Zirconia alumina abrasive grain – sharp, aggressive cut with extended lifespan
Durable flap construction – uniform wear and consistent surface finish
Efficient grinding – excellent stock removal with reduced clogging
Designed for stainless steel – prevents overheating and ensures clean results
📏 Typical Specifications (may vary by disc):
Abrasive grain: Zirconia alumina
Quality line: Supra (professional grade)
Disc shape: Available in flat (Type 27) or convex (Type 29) versions
Diameters: Commonly 115 mm, 125 mm, 180 mm
Mounting: Standard bore for angle grinders
Applications: Surface grinding, weld removal, blending, and finishing on stainless steel
📦 Common Applications:
Weld seam grinding and finishing on stainless steel parts
Surface preparation before polishing or coating
Heavy-duty fabrication and repair tasks
Industrial stainless steel finishing work
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