sia 3" 2511/2560 siabite siafix Ceramic Locking Discs, R-Type, Bulk
Product Overview
sia Abrasives 2511/2560 siabite series siafix™ 3" Ceramic Locking Discs are high‑performance coated abrasive discs engineered for maximum efficiency on high‑alloy steels, stainless steel, and other hard metals. Featuring a Ceramic Aluminum Oxide grain blend with a self‑sharpening effect, these discs deliver aggressive cutting action, reduced heat buildup, and exceptional lifetime in demanding fabrication environments.
Built on a durable X‑weight cloth backing with a closed‑coat construction and a cooling additive, the 2511/2560 series is designed for heavy stock removal, weld preparation, deburring, flaw smoothing, and final surface treatment. The siafast / R‑Type roll‑on screw attachment ensures fast disc changes and secure mounting on Roloc®‑style tools.
These 3" size locking discs are packaged 50 pieces per box.
Features & Benefits
- Ceramic Aluminum Oxide grain with self‑sharpening effect for maximum efficiency
- Highly aggressive cutting action reduces operator effort
- Cooling additive minimizes heat buildup during grinding
- Long lifetime reduces machine interruptions and disc changes
- X‑weight cloth backing provides strength under high pressure
- Closed‑coat construction for aggressive stock removal
- Special flexing improves flexibility and surface contact
- siafast / R‑Type roll‑on attachment compatible with Roloc® systems
- Ideal for heavy‑duty grinding on high‑alloy steels and stainless steel

Recommended Applications
- Weld preparation
- Heavy stock removal
- Deburring and edge finishing
- Smoothing and blending of flaws
- Removal of discoloration
- Surface treatment
- Structuring and final sanding
Suitable Materials
- High‑alloy steels
- Stainless steel
- Tool steels
- Hardened metals
- Nickel‑based alloys
- Other difficult‑to‑grind metals
Product Specifications
- Series: 2511 / 2560 siabite
- Grain: Ceramic Aluminum Oxide blend
- Grit Range: 36, 50, 80
- Backing: X‑weight cloth
- Coating: Closed coat
- Bonding: Resin over resin
- Special Coating: Cooling additive
- Attachment: siafast / R‑Type roll‑on (Roloc® compatible)
- Size: 3" discs
- Quantity per Box: 50 discs
Video
Comparison With Other Major Brands
sia 2511/2560 Ceramic siafix discs belong to the same high‑performance category as other ceramic quick‑change grinding discs used in metal fabrication. The table below compares 2511/2560 to similar products in terms of grain type, backing, and performance characteristics.
| Brand | Abrasive Grain | Backing | Attachment | Notes |
|---|---|---|---|---|
| sia 2511/2560 siabite | Ceramic Aluminum Oxide | X‑weight cloth | R‑Type | Self‑sharpening effect; cooling additive |
| Norton Blaze | Ceramic Alumina | Cloth | R‑Type | High‑performance ceramic grinding |
| 3M Roloc® Cubitron II | Precision‑shaped ceramic | Cloth | Roloc® TR™ | Industry‑leading ceramic cutting speed |
| Merit Ceramic Mini Grind | Ceramic Alumina | Cloth | R‑Type | Comparable heavy‑duty grinding |
Comparison data is provided for general reference only. Specifications may vary by manufacturer, product batch, or region and should be verified with each brand.
SMSDistributors Expert Notes
The 2511/2560 siabite series is engineered specifically for high‑alloy steels and stainless steel, where ceramic grain dramatically outperforms aluminum oxide. The self‑sharpening effect maintains cutting speed, while the cooling additive reduces heat buildup — a major advantage when grinding stainless or hardened metals.
These discs are an excellent upgrade from standard A/O quick‑change discs, offering longer life, faster cutting, and improved efficiency in demanding fabrication environments.
About Us
SMSDistributors.com is an authorized distributor of sia Abrasives, supplying professional‑grade grinding and finishing products for automotive, marine, metal fabrication, woodworking, and industrial applications.
Category
Category: Ceramic Locking Grinding Discs, Roloc®‑Compatible Discs, siafix™ 2511/2560 Series