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

3G Electric
WALTER SCMT432-RK4 / SCMT120408-RK4 Square Indexable Turning Insert - Square (S) Indexable Turning Inserts
WALTERSquare (S) Indexable Turning Inserts

WALTER SCMT432-RK4 / SCMT120408-RK4 Square Indexable Turning Insert

The WALTER Square Turning Insert, model SCMT432-RK4 and SCMT120408-RK4 (MPN 6651126), is a square (S) indexable turning insert. It is available in two part number variants: SCMT432-RK4 and SCMT120408-RK4.

SKU 3G-OTH-228786

Brand
WALTER
Item
SCMT432-RK4 / SCMT120408-RK4 Square Indexable Turning Insert
Part Number
6651126
Category
Square (S) Indexable Turning Inserts
Available to Order
Also known as:6651126WALTER
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

WALTER
Manufacturer Part Number
6651126

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

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

Product Description

The WALTER Square Turning Insert, model SCMT432-RK4 and SCMT120408-RK4 (MPN 6651126), is a square (S) indexable turning insert. It is available in two part number variants: SCMT432-RK4 and SCMT120408-RK4.

Frequently Asked Questions

What is the WALTER SCMT432-RK4 / SCMT120408-RK4 turning insert used for?

The WALTER square indexable turning insert is used for general turning, facing, and profiling operations on metal workpieces. Its SCMT geometry suits medium machining of steel, stainless steel, and cast iron in industrial manufacturing environments.

What are the specifications of the WALTER square turning insert MPN 6651126?

The WALTER square turning insert MPN 6651126 is available in two variants: SCMT432-RK4 and SCMT120408-RK4. Both are square (S) indexable inserts with a 7° clearance angle, designed for medium-duty turning. The insert size corresponds to standard inch and metric designations.

Where to buy WALTER turning inserts worldwide?

3G Electric supplies and delivers genuine WALTER turning inserts worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the SCMT432-RK4 or SCMT120408-RK4 insert.

How to select the correct WALTER turning insert for a lathe?

Select the WALTER insert based on your workpiece material, operation type (roughing or finishing), and tool holder compatibility. The SCMT432-RK4 and SCMT120408-RK4 are suitable for medium machining of steel and cast iron. Always match the insert shape, size, and chipbreaker to your cutting conditions.

Used in

Common applications for WALTER
Automotive engine component machining — WALTER indexable face mills (e.g., F2010.B.250.Z12.13.R722M) for face milling cylinder heads and blocks.
Aerospace structural parts manufacturing — WALTER screw-machine length drill bits (e.g., A1148-4.5) for drilling holes in aluminum and titanium components.
General machining job shops — WALTER indexable face mills (e.g., F4042R.B16.040.Z05.10) for face milling steel and stainless steel workpieces.
Heavy equipment repair — WALTER indexable face mills (e.g., 127 mm diameter with 11 inserts) for resurfacing large cast iron and steel parts.
Energy sector valve and pump manufacturing — WALTER indexable face mills (e.g., 100 mm diameter with R720M geometry) for machining sealing surfaces.
CNC lathe operations — WALTER screw-machine length drill bits (e.g., A1148-4.5) for drilling in automated turning centers with bar feeders.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from WALTER

View all WALTER parts →
Square (S) indexable turning insert for metal-cutting operations. Used in turning, facing, and profiling on lathes and CNC machines. Identified by ANSI code SCMT09T304-E47
WALTER
Square (S) indexable turning insert for metal-cutting operations. Used in turning, facing, and profiling on lathes and CNC machines. Identified by ANSI code SCMT09T304-E47
Square (S) indexable turning insert for general turning, facing, and profiling operations. The FM4 geometry provides a sharp cutting edge suitable for fine finishing at moderate feeds and depths of cut. Commonly used on steel, stainless steel, and cast iron workpieces
WALTER
Square (S) indexable turning insert for general turning, facing, and profiling operations. The FM4 geometry provides a sharp cutting edge suitable for fine finishing at moderate feeds and depths of cut. Commonly used on steel, stainless steel, and cast iron workpieces
Square indexable turning insert with two size designations: SCMT432-MK4 and SCMT120408-MK4. Used for general turning, facing, and profiling operations on metal workpieces, providing four cutting edges per insert
WALTER
Square indexable turning insert with two size designations: SCMT432-MK4 and SCMT120408-MK4. Used for general turning, facing, and profiling operations on metal workpieces, providing four cutting edges per insert

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first