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

WALTER Square Turning Insert: SPMT3(2.5)2-MM4 - Square (S) Indexable Turning Inserts
WALTERSquare (S) Indexable Turning Inserts

WALTER Square Turning Insert: SPMT3(2.5)2-MM4

The WALTER Square Turning Insert, model SPMT3(2.5)2-MM4 / SPMT09T308-MM4 (MPN 6837380), is a square (S) indexable turning insert. It is available in two designations: SPMT3(2.5)2-MM4 and SPMT09T308-MM4.

SKU 3G-OTH-229300

Brand
WALTER
Item
Square Turning Insert: SPMT3
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

WALTER
Manufacturer Part Number
6837380

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 SPMT3(2.5)2-MM4 / SPMT09T308-MM4 (MPN 6837380), is a square (S) indexable turning insert. It is available in two designations: SPMT3(2.5)2-MM4 and SPMT09T308-MM4.

Frequently Asked Questions

What is the WALTER SPMT09T308-MM4 turning insert used for?

The WALTER SPMT09T308-MM4 is a square indexable turning insert designed for general turning, facing, and profiling operations on steel, stainless steel, and cast iron. It is commonly used in CNC lathes and manual machining centers across automotive, aerospace, and general engineering industries.

What are the specifications of the WALTER SPMT3(2.5)2-MM4 insert?

The WALTER SPMT3(2.5)2-MM4 is a square (S) indexable turning insert with designation SPMT09T308-MM4. It has a manufacturer part number 6837380. The insert features a precision-ground geometry for medium machining and is available in two equivalent designations for ordering flexibility.

Where to buy WALTER turning inserts worldwide?

3G Electric supplies WALTER turning inserts, including the SPMT09T308-MM4, to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this insert.

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

Select the WALTER SPMT09T308-MM4 insert based on your workpiece material, required surface finish, and depth of cut. For medium machining of steel or cast iron, this square insert with a positive rake geometry offers good chip control. Always match the insert to your tool holder's pocket size and clamping system.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WALTER Square Turning Insert: SPMT3(2.5)1-MM4, SPMT09T304-MM4 (MPN 6837329)
WALTER
WALTER Square Turning Insert: SPMT3(2.5)1-MM4, SPMT09T304-MM4 (MPN 6837329)
WALTER Square Turning Insert: SPMT3(2.5)2-MK4, SPMT09T308-MK4 (MPN 6487454)
WALTER
WALTER Square Turning Insert: SPMT3(2.5)2-MK4, SPMT09T308-MK4 (MPN 6487454)
WALTER Square Turning Insert: SPMT3(2.5)1-MK4, SPMT09T304-MK4 (MPN 6486992)
WALTER
WALTER Square Turning Insert: SPMT3(2.5)1-MK4, SPMT09T304-MK4 (MPN 6486992)
WALTER Square Turning Insert: SPGT3(2.5)2-MM4, SPGT09T308-MM4 (MPN 6844696)
WALTER
WALTER Square Turning Insert: SPGT3(2.5)2-MM4, SPGT09T308-MM4 (MPN 6844696)
WALTER Square Turning Insert: SPGT3(2.5)1-MM4, SPGT09T304-MM4 (MPN 6844695)
WALTER
WALTER Square Turning Insert: SPGT3(2.5)1-MM4, SPGT09T304-MM4 (MPN 6844695)
WALTER Square Turning Insert: SPGT3(2.5)2-MK4, SPGT09T308-MK4 (MPN 6363548)
WALTER
WALTER Square Turning Insert: SPGT3(2.5)2-MK4, SPGT09T308-MK4 (MPN 6363548)

More from WALTER

View all WALTER parts
WALTER Square Turning Insert: SNMA432-RK5, SNMA120408-RK5 (MPN 6391225)
WALTER
WALTER Square Turning Insert: SNMA432-RK5, SNMA120408-RK5 (MPN 6391225)
WALTER Square Turning Insert: SCGT3(2.5)2-FN2, SCGT09T308-FN2 (MPN 6955657)
WALTER
WALTER Square Turning Insert: SCGT3(2.5)2-FN2, SCGT09T308-FN2 (MPN 6955657)
WALTER Square Turning Insert: SNGA432T02020, SNGA120408T02020 (MPN 7349626)
WALTER
WALTER Square Turning Insert: SNGA432T02020, SNGA120408T02020 (MPN 7349626)
WALTER Square Turning Insert: SCMT3(2.5)2-FM6, SCMT09T308-FM6 (MPN 7054146)
WALTER
WALTER Square Turning Insert: SCMT3(2.5)2-FM6, SCMT09T308-FM6 (MPN 7054146)
WALTER Square Turning Insert: SNMG644-NRS, SNMG190616-NRS (MPN 7053932)
WALTER
WALTER Square Turning Insert: SNMG644-NRS, SNMG190616-NRS (MPN 7053932)
WALTER Square Turning Insert: SCMT3(2.5)1-RM4, SCMT09T304-RM4 (MPN 6917308)
WALTER
WALTER Square Turning Insert: SCMT3(2.5)1-RM4, SCMT09T304-RM4 (MPN 6917308)
WALTER Square Turning Insert: SNMG432-NRS, SNMG120408-NRS (MPN 7053922)
WALTER
WALTER Square Turning Insert: SNMG432-NRS, SNMG120408-NRS (MPN 7053922)
WALTER Square Turning Insert: SNMG432-MP5 WPP20G, SNMG120408-MP5 WPP20G (MPN 8116110)
WALTER
WALTER Square Turning Insert: SNMG432-MP5 WPP20G, SNMG120408-MP5 WPP20G (MPN 8116110)