Indexable Boring Bar, HM12J STUCL3, 4-1/2 in L, Heavy Metal, Triangle Insert Shape MPN:940-000-081
Indexable Boring Bar, HM12J STUCL3, 4-1/2 in L, Heavy Metal, Triangle Insert Shape
For heavy-duty metal boring operations, the Ultra-Dex HM12J STUCL3 indexable boring bar delivers exceptional performance and durability. Its robust design and triangle insert shape enable efficient material removal, reducing cycle times and increasing productivity. With a 4-1/2 inch overall length and 1/2 inch diameter, this boring bar is ideal for machining large metal parts, such as engine blocks, cylinder heads, and other heavy-duty components. Its coolant-through design and T-15 key make it easy to use and maintain, while its MTS-35 insert screw ensures secure and reliable tooling. This boring bar is perfect for demanding metalworking applications in industries like aerospace, automotive, and heavy equipment manufacturing.
Top product features:
- Triangle insert shape for improved cutting performance
- Coolant through design for efficient heat management
- Left hand boring capability for machining left-hand threaded holes
Top product applications:
- Machining deep holes in heavy metal parts
- Milling complex shapes in large metal components
- Drilling precise holes in heavy-duty machinery
Indexable Boring Bar, Insert Shape Triangle, Overall Length 4-1/2 in, HM12J STUCL3, 1/2 in, MTS-35 Insert Screw, T-15 Key, Coolant Through, Boring, Left Hand
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 5 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 4.50
- Package Width: 1.25
- Package Height: 1.25
- Package Weight: 1.10
Product info last updated on February 8, 2026 10:12am UTC
Category: Cutting Tools