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sia 3" siafix 2925 sialox AO, Locking Discs, R-Type, box packaging and front and back of locking disc
sia 3" siafix 2925 sialox AO, Locking Discs, R-Type, front and back of locking disc
Technical diagram of locking disc overview and cross section depicting Type 3 / Type R style attachment
text description sia siafix 2925 sialox AO, Locking Discs, R-Type, and front and back image of locking disc

sia 3" siafix 2925 sialox AO, Locking Discs, R-Type

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Product Overview

sia Abrasives 2925 sialox series siafix™ 3" Aluminum Oxide Locking Discs are high‑performance coated abrasive discs designed for grinding, weld removal, rust and paint stripping, deburring, and surface preparation. Built on a durable X‑weight cloth backing with optimized grit placement, the 2925 series delivers consistent cutting action and long service life.

These discs feature an “R‑Type” roll‑on plastic screw attachment compatible with Roloc®‑style systems, ensuring fast disc changes and secure mounting on die grinders and right‑angle tools. The 2925 series is engineered for standard‑duty grinding on mild steel and carbon steel, while also performing well on non‑ferrous metals and composite materials.

These 3" size locking discs are packaged 50 pieces per box.

Made in USA.

sia Abrasives siafix mini aluminum oxide grinding discs picture

Features & Benefits

  • Aluminum Oxide coated abrasive for fast, reliable cutting
  • Durable X‑weight cloth backing resists tearing under pressure
  • Optimized grit spread ensures consistent performance
  • Closed‑coat construction for aggressive stock removal
  • Cooling additive improves grinding efficiency and reduces heat buildup
  • R‑Type roll‑on attachment compatible with Roloc® systems
  • Ideal for standard‑duty grinding and surface prep

Recommended Applications

  • Grinding and stock removal
  • Weld removal and blending
  • Rust and paint stripping
  • Deburring and edge finishing
  • Surface preparation on metals and composites

Suitable Materials

  • Mild steel
  • Carbon steel
  • Non‑ferrous metals
  • Aluminum
  • Composite materials

Product Specifications

  • Series: 2925
  • Grain: Aluminum Oxide (A/O)
  • Grit Range: P36–P120
  • Backing: X‑weight cloth
  • Coating: Closed coat
  • Bonding: Resin over resin
  • Additive: Cooling additive
  • Attachment: R‑Type roll‑on (Roloc® compatible)
  • Size: 3" discs
  • Quantity per Box: 50 discs

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. We provide accurate technical data, fast shipping, and expert support to help customers choose the right abrasive for every job.

Category

Category: Locking Grinding Discs, Roloc®‑Compatible Discs, Aluminum Oxide Grinding Discs, siafix™ 2925 Series