Precision CNC Grinding

Endmills &
CNC Tooling

HSS and solid carbide endmills, router bits, drills, and form tools — resharpened on state-of-the-art ANCA FX7 CNC grinders to OEM geometry and tolerances.

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4ANCA FX7 Grinders
500+Pieces Per Batch
49Years Experience
Why Resharpen?

Save Money.
Maintain Performance.

A worn endmill doesn't just cut slower — it produces poor surface finishes, breaks down faster, and costs your operation in scrap and downtime. Resharpening with SGSI restores your tool to factory geometry at a fraction of the cost of replacement.

Our ANCA FX7 CNC grinders — the same equipment used to manufacture premium tooling — ensure every tool leaves our shop ground to exact spec, every single time.

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ANCA FX7 CNC Tool Grinder at SGSI
ANCA FX7 State-of-the-Art CNC Grinding
What We Sharpen

CNC Tools We Service

If it's carbide or HSS and it has a cutting edge, we can restore it. Here's what we work with most:

Endmill sharpening

Endmills

Flat, ball nose, corner radius, and tapered endmills sharpened and gashed on our ANCA CNC grinders. HSS and solid carbide.

CNC Router Bit sharpening

CNC Router Bits

Spirals, compressions, mortise compressions, and roughers — all sharpened to OEM tolerances for consistent, clean cuts.

Carbide drill sharpening

Carbide Drills

High-performance carbide drills resharpened to exact point geometry. All carbide blanks kept in stock for manufacturing new drills to print.

Roughing endmill sharpening

Roughing Endmills

Inside flutes and ends sharpened to get the best performance out of your roughers — extending tool life significantly.

Rotobore precision grinding

Rotobores

Precision ground Rotobores leaving the perfect finish. Our team has developed proven techniques for consistent, repeatable results.

Don't See Your Tool?

If it has a cutting edge, chances are we can sharpen it. Give us a call and we'll figure it out.

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Our Process

Precision From Start to Finish

01

Pickup or Drop-Off

We pickup within 100 miles of the Twin Cities or you can drop off at our Stacy, MN facility.

02

Ultrasonic Cleaning

Every tool is ultrasonically cleaned and inspected before we touch a grinding wheel.

03

CNC Grinding

Ground on our ANCA FX7 to exact OEM geometry — concentricity and tolerances maintained throughout.

04

Final Inspection & Delivery

Every tool passes final QC inspection, is sealed and packaged, and returned on your schedule.

Related Services

Custom Manufacturing

Need a tool built from scratch? We manufacture step drills, reamers, dovetails and custom endmills to print.

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Specialty Grinding

Non-standard geometries, form tools, and challenging blades — we find a way.

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Woodworking Tools

Router bits, saw blades, and CNC router tooling for cabinet shops and production facilities.

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Ready to Resharpen?

Get a free quote on your endmills, drills, and CNC tooling. We'll tell you exactly what we can do and what it'll cost — no surprises.

Get a Free Quote 763.786.9652