Finishing
CY200 is described for finishing; CY600 for fine finishing of hardened steels and cast irons. Share your surface finish target and cutting allowance.
Home / Ceramic Inserts / SPGN
Product photo shows the SPGN family. Confirm the exact specification and edge preparation for your order.
HUAMIN TOOLS / CERAMIC TURNING INSERTS
SPGN Ceramic Inserts for Grade-Dependent Turning Applications
A square ceramic insert family for grade-dependent turning applications. Compare dimensions, specify your machining conditions and request the right grade for your workpiece.
90° square shape11° clearanceISO / ANSI references
Build your enquiry
Grade choice is an enquiry preference. Supply and compatibility will be confirmed.
Request a QuoteAsk an Application Engineer01 / SIZE & GEOMETRY
Find your SPGN specification.
Dimensions in mm. Select a row to carry its model into your enquiry.
| ISO model | ANSI / ASA | d | t | r | Enquiry |
|---|---|---|---|---|---|
| SPGN 090304 | SPGN 321 | 9.52 | 3.18 | 0.4 | |
| SPGN 090308 | SPGN 322 | 9.52 | 3.18 | 0.8 | |
| SPGN 090312 | SPGN 323 | 9.52 | 3.18 | 1.2 | |
| SPGN 120304 | SPGN 421 | 12.70 | 3.18 | 0.4 | |
| SPGN 120308 | SPGN 422 | 12.70 | 3.18 | 0.8 | |
| SPGN 120312 | SPGN 423 | 12.70 | 3.18 | 1.2 | |
| SPGN 120404 | SPGN 431 | 12.70 | 4.76 | 0.4 | |
| SPGN 120408 | SPGN 432 | 12.70 | 4.76 | 0.8 | |
| SPGN 120412 | SPGN 433 | 12.70 | 4.76 | 1.2 | |
| SPGN 120416 | SPGN 434 | 12.70 | 4.76 | 1.6 | |
| SPGN 150408 | SPGN 532 | 15.87 | 4.76 | 0.8 | |
| SPGN 150412 | SPGN 533 | 15.87 | 4.76 | 1.2 | |
| SPGN 190412 | SPGN 633 | 19.05 | 4.76 | 1.2 | |
| SPGN 190416 | SPGN 634 | 19.05 | 4.76 | 1.6 |
Dimensions in mm as labeled in the catalog. Reference specifications do not establish current stock; confirm the exact drawing and grade before ordering.
Browse more ceramic insert shapes →02 / GRADE SELECTION
Start with your machining goal.
The CY descriptions below are application references. Ask Huamin to confirm a suitable material system and the exact grade–model combination for this geometry.
General machining
A starting point for general machining of hardened steels and cast irons. Include interruption level and machine stability in the review.
High-speed fine finishing
For high-speed fine finishing enquiries in hardened steels and cast irons. Confirm setup, parameters and edge preparation before trials.
A suitable insert starts with the application.
Cast iron turning
Identify gray, ductile or alloy cast iron, together with hardness, allowance and interrupted surfaces.
Hardened steel turning
Provide steel designation, hardness and dimensional tolerance. Compare the ceramic and CBN options where appropriate.
Edge & holder compatibility
Provide the holder code, current insert and edge requirements. Match seat, clamp and specification before ordering.
Questions about SPGN ceramic inserts
Will this insert fit my existing holder?
Confirm the full insert and holder codes, seat geometry, thickness and clamping arrangement. A SPGN family name alone does not establish compatibility.
Which grade should I select?
Start with your material, hardness and operation. Include interruption level, speed, feed, depth of cut and finish requirements. If uncertain, choose “Recommend a grade” in your enquiry.
Are all listed models in stock?
The specification table is a reference range. Send your model, grade and quantity for supply and lead-time confirmation.
Can I use SPGN ceramic inserts for interrupted cutting?
This depends on the grade, edge preparation, workpiece and rigidity. Send details of the interrupted surfaces before deciding.
Can you review a custom specification?
Send a drawing or sample details with your machining requirements for a feasibility review.