APPROVED VENDOR Roughing End Mill: Carbide, AlTiN Coated, 4 Flute, 3/8" Mill Dia, 1" LOC
SKU 3G-OTH-300045
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Frequently Asked Questions
What is an APPROVED VENDOR roughing end mill used for?
This carbide roughing end mill with AlTiN coating is designed for high‑material‑removal roughing of steel and cast iron. Its corner‑radius geometry reduces chipping, making it suitable for heavy‑duty machining in automotive, die/mold, and general fabrication shops.
What are the specifications of the APPROVED VENDOR 257-375878 end mill?
This 4‑flute carbide end mill has a 3/8" mill diameter, 1" length of cut, and 2‑1/2" overall length. It features an AlTiN coating for heat resistance and a corner‑radius design. The manufacturer part number is 257-375878.
Where to buy APPROVED VENDOR roughing end mills worldwide?
3G Electric supplies APPROVED VENDOR roughing end mills worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on the 257-375878 or other carbide end mills across 14 industrial departments.
How to select the right roughing end mill for steel?
Select a carbide end mill with AlTiN coating for steel and cast iron, matching flute count and corner radius to your operation. For heavy roughing, a 4‑flute design like the APPROVED VENDOR 257-375878 provides efficient chip evacuation and longer tool life.
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Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR corner-radius carbide roughing end mills for steel & cast iron. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















