OSG Triangle Milling Insert: TNKU120608ER-GM (MPN 7814088)
SKU 3G-OTH-238775
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG Triangle Milling Insert TNKU120608ER-GM used for?
This OSG TNKU120608ER-GM insert is used for general-purpose milling of steel and cast iron. Its triangle shape and ER-GM geometry provide effective chip evacuation and surface finish in medium-duty machining operations across industrial sectors.
What are the specifications of the OSG TNKU120608ER-GM insert?
The OSG TNKU120608ER-GM is a triangle indexable milling insert with manufacturer part number 7814088. It features a 12 mm inscribed circle, 6 mm thickness, and 8 mm corner radius, designed for secure clamping in compatible tool holders.
Where to buy the OSG TNKU120608ER-GM insert worldwide?
3G Electric supplies the OSG TNKU120608ER-GM insert worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine OSG insert to your facility, regardless of location.
How to select the correct OSG milling insert for your operation?
Select the OSG TNKU120608ER-GM for medium milling of steel or cast iron. Match the insert size and geometry to your cutter body and material. For other applications, consult OSG's technical data or contact 3G Electric for guidance on the right insert grade and chipbreaker.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG triangle (t) indexable milling inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













