Tool modifications

At Castelar Tool, we have the ability to modify stock cutters to suit your special requirements. On top of our own line of tooling, we offer the ability to supply and modify other quality tool brands such as:

  • Cleveland Twist Drill
  • Chicago-Latrobe
  • Putnam
  • Precision Dormer
  • Severence Tool
  • Lavallee & Ide
  • North American Tool
  • Gaylee Corp.
  • Rock River Tool
  • Minicut International Inc.
  • Disston
  • Blu Mol

cutting tool COATING

increase your cutting tool's performance

CoatingDescriptionRecommended ApplicationsTurnaround
TiNIndustry standard economical coating for enhanced tool life.All-purpose1-2 business days
TiAlNIndustry standard economical coating for enhanced tool life.All ferrous materials1-2 business days
ALROCCastelar's single layer AlCrN Coating is a high performance coating designed for increased wear resistance .All ferrous materials3-4 business days
ALROC-SCastelar's unique multilayer AlCrN-based coating, with additional additives for enhanced performance compared to our ALROC coating. Hard to machine materials3-4 business days
D-ROCOur enhanced DLC coating drastically decreases the surface friction on cutting tools for extreme performance in non-ferrous materials. Exceptional in Aluminum.Non-ferrous materials3-4 business days


Over 45 years ago, we started off as tool regrinding shop, offering high quality service to the GTA. Fast forward to today and we still offer the same great service with enhanced capabilities. We're equipped to handle any size order of regrinds, whether it's 1 or 1000.

Our regrinding capabilities include:

  • End mills
  • Drills
  • Gun drills
  • Reamers
  • Taps
  • Milling Cutters
  • Gun Drills
  • Carbide Re-tipping
  • Indexable tool body repair

grinding services

Having a job that requires grinding but lack the equipment or the time? With our decades of experience, we can help you with the following grinding operations:

  • OD grinding
  • ID grinding
  • Surface grinding
  • Centerless Grinding