Advanced Finishing Capabilities

As one of the largest and most experienced metal finishers in Ontario, our streamlined processes and experienced staff efficiently handle your metal finishing requirements.

Black oxide-finished hex-head steel bolts with threaded shanks

Black OxideNEW

Black oxide conversion coating for carbon steel, low-alloy steel, and select corrosion-resistant steels
Uniform black appearance with minimal dimensional change
Low-reflectance finish for precision-machined components
Supplementary preservative treatments for additional corrosion protection where specified
Suitable for aerospace, defence, and industrial applications

Specifications: MIL-DTL-13924 Class 1 & 2 | AMS 2485

Black Oxide Details

Technician inspecting an anodized aluminum component beside red, blue, black, and clear finished parts

Sulphuric Anodizing

Type II sulphuric anodizing, 0.0003"–0.001", clear, black, blue, red, and gunmetal
Menu-driven processing line tailored to each customer's requirements
Procedures stored in a database, repeated exactly and retained for traceability
11.5 ft × 4.5 ft × 2.5 ft tank capacity — prototype through full production runs
4–5 business day standard lead time, with expedited service available

Certified to MIL-A-8625 / MIL-PRF-8625 Type II, Class 1 & 2

Sulphuric Anodizing Details

Chemical Conversion Coating

Tank immersion and brush touch-up for rework and post-machining repair
Class 1A for corrosion protection and paint adhesion with negligible dimensional change
Class 3 for applications requiring low electrical contact resistance
90 in × 54 in × 22 in tank capacity
4–5 business day standard lead time, with expedited service available

Certified to MIL-C-5541E / MIL-DTL-5541F

Chemical Conversion Coating Details

Machined aluminum component masked with blue polyester tape and red and yellow silicone plugs before anodizing at West-Tech Finishing

Masking & Selective Finishing

Selective masking so designated areas stay uncoated through processing
Silicone tapered and pull plugs for threaded and through holes
Polyester tape profiles cut in-house on our plotter for flat surfaces
Liquid rubber for uneven and round surfaces where tape won't conform
4–5 business day standard lead time, with expedited service available

Masking Details

Hard Anodizing

Type III hard anodizing, 0.001"–0.003", hard clear and hard black
High wear and corrosion resistance for aerospace, defence, hydraulic, and other demanding components
Procedure stored in a database, repeated exactly and retained for traceability
11.5 ft × 4.5 ft × 2.5 ft tank capacity — prototype through full production runs
4–5 business day standard lead time, with expedited service available

Certified to MIL-A-8625 / MIL-PRF-8625 Type III, Class 1 & 2

Hard Anodizing Details

Laser Engraving

Permanent laser marking for serialization and traceability
Part numbers, lot codes, revision identification, barcodes, and data matrix marking
Parts up to 16 inches
Laser marking coordinated with anodizing and finishing under one supplier
4–5 business day standard lead time, with expedited service available

Laser Engraving Details

Passivation

Citric and nitric passivation of stainless steel to ASTM A967
In-house verification by salt spray and copper sulfate testing
Removes embedded free iron from machining, fixturing, and handling
No coating applied — dimensions and surface finish unchanged
4–5 business day standard lead time, with expedited service available

Citric Passivation

Nitric Passivation

Passivation Details

Operator abrasive-blasting an aluminum casting inside a blasting cabinet

Sand Blasting

Sand blasting for surface preparation prior to anodizing and conversion coating
Uniform matte cosmetic finish across mixed batches and machining sources
Media selected to substrate and requirement
Prototype through full production quantities
4–5 business day standard lead time, with expedited service available

Sand Blasting Details

Silk screen printing part numbers and markings onto a black anodized West-Tech part

Silk Screening

Silk screen marking for panels, legends, and part identification
Inks selected to colour, durability, and specification requirements
No maximum part size
Anodizing and silk screening coordinated under one supplier
4–5 business day standard lead time, with expedited service available

Silk Screening Details

Full Capabilities

From masking and selective finishing to passivation, sand blasting, silk screening, and laser engraving — we cover the full spectrum of metal surface treatment.

Black Oxide