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WIDIA Diamond Turning Insert: CNMA643 - Diamond Indexable Turning Inserts
WIDIADiamond Indexable Turning Inserts

WIDIA Diamond Turning Insert: CNMA643

The WIDIA Diamond Turning Insert, model CNMA643/CNMA190612 (MPN 4171871), is a diamond indexable turning insert. It is available in the CNMA643 and CNMA190612 geometries.

SKU 3G-OTH-256989

Brand
WIDIA
Item
Diamond Turning Insert: CNMA643
Category
Diamond Indexable Turning Inserts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

WIDIA
Manufacturer Part Number
4171871

Technical Documents

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WIDIA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WIDIA Diamond Turning Insert, model CNMA643/CNMA190612 (MPN 4171871), is a diamond indexable turning insert. It is available in the CNMA643 and CNMA190612 geometries.

Frequently Asked Questions

What is the WIDIA Diamond Turning Insert CNMA643 used for?

The WIDIA Diamond Turning Insert CNMA643 is used for precision turning of non-ferrous materials, composites, and abrasive plastics. Its diamond geometry provides superior wear resistance and surface finish in automotive, aerospace, and general machining applications.

What are the specifications of the WIDIA Diamond Turning Insert CNMA190612?

The WIDIA Diamond Turning Insert CNMA190612 (MPN 4171871) is an indexable turning insert with a diamond cutting edge. It is designed for high-speed finishing and semi-finishing operations on non-ferrous materials. The insert geometry is CNMA190612, and it is manufactured by WIDIA.

Where to buy WIDIA Diamond Turning Insert CNMA643 worldwide?

You can source the WIDIA Diamond Turning Insert CNMA643 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct WIDIA Diamond Turning Insert for my lathe?

To select the correct WIDIA Diamond Turning Insert, match the insert geometry (CNMA643 or CNMA190612) to your tool holder's pocket size and clamping system. Consider material, cutting speed, and finish requirements. For non-ferrous materials, diamond inserts offer longer tool life and better surface quality than carbide.

Used in

Common applications for WIDIA
General turning of steel components — WIDIA DCMT diamond turning inserts (e.g., DCMT3251MP)
Grooving and parting in automotive parts manufacturing — WIDIA WMTCL indexable grooving toolholders
Finishing operations on aluminum alloys — WIDIA VNMG diamond turning inserts (e.g., VNMG331ML)
Heavy-duty turning of stainless steel — WIDIA DNMG carbide inserts with MS chipbreaker (e.g., DNMG433MS)
Threading and contouring in mold making — WIDIA TCMT triangle turning inserts (e.g., TCMT3252MP)
Parting-off operations in high-volume production — WIDIA WGMEL grooving and parting toolholders

WIDIA Products

3G Electric supplies WIDIA diamond indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
WIDIA Diamond Turning Insert: CNMA644, CNMA190616 (MPN 4171872)
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WIDIA Diamond Turning Insert: CNMA434, CNMA120416 (MPN 4171866)

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