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WALTER TNMG331-MK5 WKK20S / TNMG160404-MK5 WKK20S Triangle - Triangle (T) Indexable Turning Inserts
WALTERTriangle (T) Indexable Turning Inserts

WALTER TNMG331-MK5 WKK20S / TNMG160404-MK5 WKK20S Triangle

The WALTER Triangle Turning Insert, model TNMG331-MK5 WKK20S and TNMG160404-MK5 WKK20S (MPN 6121088), is a triangle (T) indexable turning insert. It is available in two specific variants: TNMG331-MK5 WKK20S and…

SKU 3G-OTH-323528

Brand
WALTER
Item
TNMG331-MK5 WKK20S / TNMG160404-MK5 WKK20S Triangle
Part Number
6121088
Category
Triangle (T) Indexable Turning Inserts
Available to Order
Also known as:6121088WALTER
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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

WALTER
Manufacturer Part Number
6121088

Technical Documents

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

Product Description

The WALTER Triangle Turning Insert, model TNMG331-MK5 WKK20S and TNMG160404-MK5 WKK20S (MPN 6121088), is a triangle (T) indexable turning insert. It is available in two specific variants: TNMG331-MK5 WKK20S and TNMG160404-MK5 WKK20S.

Frequently Asked Questions

What is WALTER TNMG331-MK5 WKK20S turning insert used for?

The WALTER TNMG331-MK5 WKK20S is a triangle (T) indexable turning insert designed for general turning operations on steel, stainless steel, and cast iron. Its MK5 geometry and WKK20S grade provide reliable chip control and wear resistance in medium machining applications.

What are the specifications of WALTER TNMG160404-MK5 WKK20S insert?

The WALTER TNMG160404-MK5 WKK20S is a triangle indexable turning insert with MPN 6121088. It features the MK5 chipbreaker geometry and WKK20S carbide grade. The insert size corresponds to TNMG160404 (IC 9.525 mm, thickness 3.97 mm, nose radius 0.4 mm).

Where to buy WALTER turning inserts in worldwide?

3G Electric supplies WALTER triangle turning inserts, including TNMG331-MK5 WKK20S and TNMG160404-MK5 WKK20S, to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on your required quantity.

How to select the right WALTER turning insert for steel?

For steel turning, select a WALTER insert with a positive chipbreaker like MK5 and a grade such as WKK20S for general-purpose use. Match the insert size (e.g., TNMG331 or TNMG160404) to your tool holder. Always verify the nose radius and corner geometry against your machining parameters.

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.
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WALTER Products

3G Electric supplies WALTER triangle (t) 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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