Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

WIDIA Square Turning Insert: SNMG643MR - Square (S) Indexable Turning Inserts
WIDIASquare (S) Indexable Turning Inserts

WIDIA Square Turning Insert: SNMG643MR

The WIDIA Square Turning Insert, model SNMG643MR / SNMG190612MR (MPN 4171148), is a square (S) indexable turning insert. It is available in two designations: SNMG643MR and SNMG190612MR.

SKU 3G-OTH-229426

Brand
WIDIA
Item
Square Turning Insert: SNMG643MR
Category
Square (S) Indexable Turning Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
4171148

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WIDIA Square Turning Insert, model SNMG643MR / SNMG190612MR (MPN 4171148), is a square (S) indexable turning insert. It is available in two designations: SNMG643MR and SNMG190612MR.

Frequently Asked Questions

What is the WIDIA SNMG643MR / SNMG190612MR turning insert used for?

The WIDIA SNMG643MR / SNMG190612MR square indexable turning insert is used for general-purpose turning, facing, and profiling operations on steel, stainless steel, and cast iron workpieces. It is commonly applied in automotive, aerospace, and general machining industries where reliable metal removal and surface finish are required.

What are the specifications of the WIDIA SNMG643MR / SNMG190612MR insert?

The WIDIA square turning insert is designated as SNMG643MR and SNMG190612MR, with manufacturer part number 4171148. It has a square (S) shape, a 0° clearance angle (N), and a molded chipbreaker (M). The insert features a precision-ground hole and is designed for medium-duty turning applications.

Where to buy WIDIA SNMG643MR / SNMG190612MR inserts worldwide?

WIDIA SNMG643MR / SNMG190612MR inserts are available to order through 3G Electric, a global industrial equipment distributor. We source and deliver these inserts worldwide, handling full logistics, customs clearance, and delivery to your facility. Contact 3G Electric for availability and lead time.

How to select the correct WIDIA turning insert for your application?

To select the correct WIDIA turning insert, match the insert shape (square), size (SNMG643MR or SNMG190612MR), and chipbreaker geometry to your workpiece material and operation. Consider depth of cut, feed rate, and required surface finish. For medium-duty turning of steel or cast iron, the SNMG643MR with molded chipbreaker is a common choice.

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 square (s) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WIDIA Square Turning Insert: SNMG543MR, SNMG150612MR (MPN 4171147)
WIDIA
WIDIA Square Turning Insert: SNMG543MR, SNMG150612MR (MPN 4171147)
WIDIA Square Turning Insert: SNMG643MR, SNMG190612MR (MPN 4170572)
WIDIA
WIDIA Square Turning Insert: SNMG643MR, SNMG190612MR (MPN 4170572)
WIDIA Square Turning Insert: SNMG432MR, SNMG120408MR (MPN 4171146)
WIDIA
WIDIA Square Turning Insert: SNMG432MR, SNMG120408MR (MPN 4171146)
WIDIA Square Turning Insert: SNMG643RH, SNMG190612RH (MPN 4171540)
WIDIA
WIDIA Square Turning Insert: SNMG643RH, SNMG190612RH (MPN 4171540)
WIDIA Square Turning Insert: SNMG543MR, SNMG150612MR (MPN 4173029)
WIDIA
WIDIA Square Turning Insert: SNMG543MR, SNMG150612MR (MPN 4173029)
WIDIA Square Turning Insert: SNMG643MS, SNMG190612MS (MPN 5908926)
WIDIA
WIDIA Square Turning Insert: SNMG643MS, SNMG190612MS (MPN 5908926)

More from WIDIA

View all WIDIA parts
WIDIA Square Turning Insert: SPU422, SPUN120308 (MPN 4170950)
WIDIA
WIDIA Square Turning Insert: SPU422, SPUN120308 (MPN 4170950)
WIDIA Square Turning Insert: SNMG4322P, SNMG1204082P (MPN 4166862)
WIDIA
WIDIA Square Turning Insert: SNMG4322P, SNMG1204082P (MPN 4166862)
WIDIA Square Turning Insert: SCMT32521P, SCMT09T3081P (MPN 4166400)
WIDIA
WIDIA Square Turning Insert: SCMT32521P, SCMT09T3081P (MPN 4166400)
WIDIA Square Turning Insert: SNMG433RH, SNMG120412RH (MPN 4171534)
WIDIA
WIDIA Square Turning Insert: SNMG433RH, SNMG120412RH (MPN 4171534)
WIDIA Square Turning Insert: SNMM43365, SNMM12041265 (MPN 5696556)
WIDIA
WIDIA Square Turning Insert: SNMM43365, SNMM12041265 (MPN 5696556)
WIDIA Square Turning Insert: SNMG433RH, SNMG120412RH (MPN 4171716)
WIDIA
WIDIA Square Turning Insert: SNMG433RH, SNMG120412RH (MPN 4171716)
WIDIA Square Turning Insert: SCMT32521P, SCMT09T3081P (MPN 4166399)
WIDIA
WIDIA Square Turning Insert: SCMT32521P, SCMT09T3081P (MPN 4166399)
WIDIA Square Turning Insert: SNMG544UR, SNMG150616UR (MPN 4171112)
WIDIA
WIDIA Square Turning Insert: SNMG544UR, SNMG150616UR (MPN 4171112)