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WALTER Square Turning Insert: SCMT431-RK4 - Square (S) Indexable Turning Inserts
WALTERSquare (S) Indexable Turning Inserts

WALTER Square Turning Insert: SCMT431-RK4

The WALTER Square Turning Insert, model SCMT431-RK4 and SCMT120404-RK4 (MPN 6651123), is a square (S) indexable turning insert. It is available in two size variants: SCMT431-RK4 and SCMT120404-RK4.

SKU 3G-OTH-229540

Brand
WALTER
Item
Square Turning Insert: SCMT431-RK4
Category
Square (S) Indexable Turning Inserts
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Technical Specifications

WALTER
Manufacturer Part Number
6651123
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Square Turning Insert, model SCMT431-RK4 and SCMT120404-RK4 (MPN 6651123), is a square (S) indexable turning insert. It is available in two size variants: SCMT431-RK4 and SCMT120404-RK4.

Frequently Asked Questions

What is the WALTER SCMT431-RK4 turning insert used for?

The WALTER SCMT431-RK4 (also SCMT120404-RK4, MPN 6651123) is a square indexable turning insert for general turning, facing, and profiling on steel, stainless steel, and cast iron. It suits medium to finishing cuts in automotive, oil & gas, and general machining.

What are the specifications of the WALTER SCMT120404-RK4 insert?

The WALTER SCMT120404-RK4 (MPN 6651123) is a square (S) indexable turning insert with size code SCMT120404-RK4. It is the metric equivalent of SCMT431-RK4, designed for precision turning operations. Both variants share the same geometry and grade.

Where to buy WALTER turning inserts worldwide?

3G Electric supplies WALTER SCMT431-RK4 and SCMT120404-RK4 turning inserts worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time.

How to select between SCMT431-RK4 and SCMT120404-RK4?

SCMT431-RK4 and SCMT120404-RK4 are the same WALTER insert in inch and metric designations. Use SCMT431-RK4 for inch-based toolholders and SCMT120404-RK4 for metric holders. Both offer the same RK4 chipbreaker for low cutting forces and good surface finish.

Used in

Common applications for WALTER
Automotive engine block machining — WALTER WNMG542-MM5 WSM20S turning inserts for cylinder bore finishing
Aerospace aluminum component turning — WALTER CCMT060208-FK6 WKK10S diamond inserts for high-speed finishing
General engineering cutoff operations — WALTER GX24-3E400N04-UA4 WKP33S parting inserts for steel bars
Mold and die steel grooving — WALTER GX16-2E300R6-CF5 WSM33S inserts for deep groove roughing
CNC lathe shallow hole drilling — WALTER A1148-1/16IN cobalt screw-machine drill bits for oil-hole drilling
Heavy equipment shaft turning — WALTER SCMT120408-RM4 square inserts for roughing of alloy steels

WALTER Products

3G Electric supplies WALTER square (s) 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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