Knife Grinding Belts 101

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Timestamps:
02:15 Basics
12:13 Nitty Gritty
17:44 Rough Grinding Belt Suggestions
27:38 Finish Grinding Belt Suggestions
37:31 Example Belt Progressions (scroll to bottom of this description)

TL;DW:

Best Belts for Post-Heat Treat Rough Grinding At Low Speed/Low Pressure:
-VSM Ceramic Plus 36 Grit XK885Y (buy 50 or more for the bulk discount), https://trugrit.com/product/2-x-72-36-xk885y-ceramic/
-VSM Ceramic Plus 60 Grit XK885Y (buy 50 or more for the bulk discount), https://trugrit.com/product/2-x-72-60-xk885y-ceramic/

Best Belts for Post-Heat Treat Rough Grinding at High Speed/High Pressure:
-Norton Blaze Plus Ceramic 36 Grit 980P, https://trugrit.com/product/2-x-72-36-980p-blaze-plus-ceramic/
-Norton Blaze Plus Ceramic 60 grit R980P, https://trugrit.com/product/2-x-72-60-r980p-blaze-plus-ceramic/

Best Belts for Pre-Heat Treat Rough Grinding at Any Speed/Pressure:
-VSM Actirox Ceramic 36 grit AK890Y, https://trugrit.com/product/2-x-72-36-ak890y-actirox-ceramic/

Best Belts for Intermediate Finish Grinding:
-Norton Blade Plus Ceramic 120 Grit R980P, https://trugrit.com/product/2-x-72-120-r980p-blaze-plus-ceramic/
-VSM Ceramic Plus 120 Grit XK885Y (buy 50 or more for the bulk discount), https://trugrit.com/product/2-x-72-120-xk885y-ceramic/
-Trizact Aluminum Oxide A160CF (120 grit equivalent), https://trugrit.com/product/2-x-72-120-347fc-a160cf-trizact-aluminum-oxide/
-Norax Engineered Ceramic X100 (150 grit equivalent, buy 50 or more for the bulk discount), https://trugrit.com/product/2-x-72-150-x100-u936-norax-engineered-ceramic/
Note: Go from these four intermediate finish grinding belts to A100CF to A65CF (240 grit equivalent)

Best Belts for Final Finish Grinding:
-Scotch-Brite Aluminium Oxide Medium Low Stretch Maroon (spray with WD-40 and break in before using), https://trugrit.com/product/2-x-72-150-x100-u936-norax-engineered-ceramic/
-Scotch-Brite Aluminum Oxide Very Fine Low Stretch Blue (spray with WD-40 or load with black/green buffing compound before using), https://trugrit.com/product/2-x-72-sb-avfn-scotch-brite-aluminum-oxide-very-fine-low-stretch/
-No Grit Cork Plain (load with black buffing compound and break in before using), https://trugrit.com/product/2-x-72-no-grit-cork-plain-rb555x/
-Silicon Carbide Cork 600 grit (break in before using), https://trugrit.com/product/2-x-72-600-rb515x-silicon-carbide-cork/

Example Progressions:
1. VSM Ceramic Plus 36 grit to Norton Blaze Plus Ceramic 120 grit to A100CF Trizact Aluminum Oxide to A65CF Trizact Aluminum Oxide to Scotch-Brite Maroon to Scotch-Brite Blue
2. Norton Blaze Plus Ceramic 36 grit to Norton Blaze Plus Ceramic 120 grit to Norax Ceramic X65 (220 grit equivalent) to A65CF Trizact Aluminum Oxide to Silicon Carbide Cork 600 grit