Grimsmo Knives
100% CNC machined, surface ground, hand-tuned, anodized, and assembled in their Stoney Creek workshop.
Pioneers of creator-led domestic precision manufacturing, delivering micrometer-level CNC machining, aerospace titanium milling, and in-house heat treatment in Canada.
John Grimsmo & Erik Grimsmo
Co-Founders & Master MachinistsCanadian maker and CNC machining pioneer whose long-running YouTube channel (275k+ subs) documented the evolution of garage machining into a world-renowned Canadian knife and pen workshop.
Visit @johngrimsmoWhat we found
Verified Domestic AuditVerified Stoney Creek, Ontario CNC machine shop, Canadian family ownership, domestic assembly, and active YouTube documentation.
Owned here
100% independently Canadian owned and operated by brothers John and Erik Grimsmo in Ontario.
Source
After starting in his garage in 2008, John Grimsmo became a self-taught CNC machinist... It wasn't too long before John's brother Erik partnered with him to make Grimsmo Knives what it is today.Open source
Local
Made here
100% CNC machined, surface ground, hand-tuned, anodized, and assembled in their Stoney Creek workshop.
Source
Grimsmo Knives operates a state-of-the-art CNC machine shop located in Stoney Creek, Ontario, Canada where all parts, blades, and mechanisms are precision manufactured in-house.Open source
Local
Materials
Aerospace-grade 6Al-4V titanium, powder metallurgy steels (Damasteel RWL34, CPM 154), and custom ceramic bearings.
Source
We select premium metallurgy including Swedish RWL34 and American CPM 154 stainless cutlery steels paired with aerospace-grade Grade 5 titanium handles and custom ceramic bearing races.Open source
Local
Shipped from here
Engineering studio, CNC production floor, and global direct fulfillment based in Stoney Creek, ON.
Source
All manufacturing, design, fulfillment, and customer support operate from our facility at 345 Dewitt Rd, Stoney Creek, ON, Canada.Open source
Local
Sources we checked
- Grimsmo Knives Official Workshop 100% in-house Canadian CNC machine shop manufacturing
Reviewed 17 Aug 2026. Next check by 17 Feb 2027.