
SMT Flap Disc 4″ Inch Zirconia Grinding Wheel for Metal & Steel
Return Policy
Free Returns within 7 Days of Shipment

No Hassle Returns
Except as otherwise described here in our Terms & Conditions, if you are not satisfied for any reason, items may be returned within 7 days of shipment for a full credit or exchange. We will cover the cost of return shipping, and credit the original form of payment within 7 business days of receipt. Certain exceptions apply.
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Items submitted for a return online are eligible for a full credit refund. For replacements, please contact Customer Service.
Exceptions
- Returned items must be in the original packaging, contain all components, and be in new condition.
- Returns may require additional information or a photo of the item(s) to process the return.
- Returns received at Expert tools without a packing slip may be assessed a 15% processing fee that will be deducted from any credit due.
- Returns received without a Expert tools return label may take more than 7 days to credit.
Expert tools World reserves the right to refuse or limit any returns that, in Expert tools sole judgment, appear to be fraudulent, abusive, in violation of these terms, or otherwise inappropriate.
Damaged Items
We work hard to ensure that all items are received in good condition, and if the item is damaged, we sincerely apologize for any inconvenience. We will do all we can to remedy the situation—either by sending a replacement item or refunding your order—and we’ll help you return the damaged item at our expense. Start the return online for a full credit refund, or contact Customer Service for replacements.

SMT Flap Disc 4″ Inch Curved Grinding & Finishing Wheel
Take your metalworking projects to the next level with the SMT 4 inch Type 29 Flap Disc, a professional Quality zirconia grinding and sanding wheel designed for stainless steel, INOX, iron, and mild steel. Engineered with a curved conical (T29) shape and angled flaps, this disc delivers superior contact on curved surfaces, contours, and edges for smooth grinding and consistent finishing.
The 80 grit abrasive cloth makes it ideal for intermediate material removal, blending welds, surface preparation for painting, and light deburring. Manufactured with SMT premium zirconium oxide and fiberglass backing, it ensures long life, durability, vibration absorption, and safety at high speeds.
Perfect for use with angle grinders and grinding machines, this SMT Abrasive flap disc is designed for metal fabrication, automotive repair, stainless steel finishing, construction sites, and workshop operations.
If you’re looking for a high performance flap wheel disc that combines speed, stability, and longevity, SMT 4″ Inch T29 Flap Disc is the reliable choice.
✔ Type 29 Conical Design: Curved shape for improved grinding on edges, corners, and curved surfaces.
✔ Long Life Zirconia Abrasive: High quality cloth ensures aggressive cutting with extended life.
✔ Versatile Applications: Works on stainless steel, INOX, iron, mild steel, and sheet metal.
✔ Safe & Reliable: Fiberglass backing reduces vibration and meets international safety standards.
Specification | Details |
---|---|
Disc Diameter | 4″ (100 mm) |
Thickness | 6.4 mm |
Bore / Arbor | 16 mm |
Grit Size | 80 Grit (medium grinding & finishing) |
Shape / Type | Type 29 – Conical, curved flap disc |
Max Safe Speed | 15,300 RPM |
Abrasive Material | Premium Zirconia Alumina Cloth |
Backing | Fiberglass reinforced |
Applications | Stainless steel (INOX), iron, mild steel, sheet metal, weld blending, surface prep |
Compatible Machines | 4″ Angle Grinders, Grinding Machines |
Packaging | Box of 25 pcs |
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