Technical Guide

SURFACE FINISHES
GUIDE

Compare common blade and handle finishes--balance looks, durability, corrosion protection, and cost for your knife manufacturing needs.

Decision Framework

HOW TO CHOOSE THE RIGHT FINISH

Wear & Scratch Hiding

How well daily marks disappear in the texture and surface pattern.

Corrosion Behavior

Protection barrier against sweat, humidity, and salt exposure.

Friction & Feel

Glide through material during cutting; grip in hand.

Glare & Aesthetics

Tactical low-gloss matte vs. premium reflective shine.

Maintenance

Ease of cleaning and touch-ups in the field.

Compatibility

Steel vs Al/Ti suitability; heat sensitivity considerations.

Cost & Throughput

Process time, yield rates, and rework risks affecting unit cost.

COMPARISON MATRIX

Qualitative comparison of performance attributes.

▲ High / Good

● Medium

○ Basic / Low

Finish	Scratch Hiding	Corrosion Help	Friction (Low=▲)	Glare (Low=▲)	Cost
Satin	●	●	▲	○	●
Stonewash	▲	●	▲	▲	●
Bead Blast	●	●	●	▲	●
Blackwash	▲	●	●	▲	●
Mirror	○	●	▲	○	○
DLC	▲	▲	▲	▲	▲▲
PVD	▲	▲	▲	▲	▲
Cerakote	●	▲	●	▲	●
Acid Etch	●	●	●	▲	●
Anodize (Al/Ti)	●	●	●	▲	●

Detailed Specs

FINISH CATALOG

Satin

Brushed linear grain.

Why Use: Classic, premium look; easy to clean.

Watch-out: Shows directional scratches.

Stonewash / Tumble

Micro-pitted matte from tumbling media.

Why Use: Excellent scratch hiding; EDC workhorse.

Watch-out: Can slightly soften edges of logos.

Bead Blast

Media-blasted matte, uniform texture.

Why Use: Even, low-glare tactical look.

Watch-out: Micro-texture can retain moisture; mind corrosion on non-stainless.

Blackwash

Dark coat then tumble--aged look.

Why Use: Hides wear extremely well.

Watch-out: Consistency across batches; replicable recipe needed.

Polished / Mirror

High-gloss reflective finish.

Why Use: Showpiece, low cutting drag.

Watch-out: Fingerprints/scratches visible; higher labor.

DLC

Diamond-Like Carbon. Hard, low-friction.

Why Use: Premium durability and deep black.

Watch-out: Tight prep/adhesion control; cost.

PVD

TiN / TiCN / TiAlN vapor-deposited films.

Why Use: Color options (gold/bronze/grey), wear protection.

Watch-out: Spec thickness & color tolerance; edge masking.

Anodizing (Al/Ti)

Electro-color for aluminum or titanium.

Why Use: Vibrant or subtle hues; lightweight parts.

Watch-out: Color depends on prep/voltage; not for stainless.

QUICK MATERIAL PAIRINGS

Semi/Non-Stainless

D2 / 1095 / SK5

DLC · PVD · Blackwash · Etch & Tumble

(plus oil care)

Stainless Folders

14C28N / 154CM / 440C

Stonewash · Satin · PVD

(color accents)

Flagship EDC

M390 / 20CV

Stonewash/Satin + DLC edges

or tasteful PVD

Titanium Handles

Frame / Scales

Bead-blast + Anodize

Stonewash + Anodize (color pop)

Aluminum Handles

6061 / 7075

Hard anodize (HAIII style)

Micro-texture milling

Rescue / Utility

Low Glare

Bead-blast · Stonewash · Blackwash

Dark PVD/DLC

QC & Production Notes

Surface Prep: Grit sequence documented; edge masking plan.
Color/Gloss: ΔE or gloss GU targets; batch cards kept.
Coating Thickness: XRF/micrometer checks where applicable.
Adhesion: Tape/cross-hatch or scratch tests per spec.
Logo/Marking: Laser after finish (or mask) for clarity.
Salt-Spray/Corrosion: Run to agreed hours for coated parts.
Repeatability: Media age, bath chemistry, voltage logs.

Care & Maintenance

Daily Care

Wipe dry after use; light oil film on non-stainless & etched parts.
Avoid Abrasives

Avoid abrasive cleaners on polished/anodized surfaces.
Sharpening

For coated blades, resharpen without overheating edges.

FAQ

Which finish hides wear best? ▼

Stonewash and blackwash. These textured finishes excel at camouflaging scratches and daily wear marks.

Best for coastal/humid use? ▼

Stainless steel + DLC/PVD/Cerakote. Combining a stainless base with a barrier coating offers the best protection, but you must still maintain it regularly.

Can I anodize steel? ▼

No--anodizing is for aluminum/titanium. For steel, use PVD or DLC coatings to achieve similar colors or protection.

SURFACE FINISHES GUIDE