OEM Roughing End Mill: Carbide
The APPROVED VENDOR Roughing End Mill (MPN 258-312812) is a 4-flute, ball-nose carbide roughing end mill with a 5/16" mill diameter, 13/16" length of cut, and 2-1/2" overall length. 3G Electric sources this genuine…
SKU 3G-OTH-302607
Also listed as: 258312812 · 258 312812
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
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Roughing End Mill (MPN 258-312812) is a 4-flute, ball-nose carbide roughing end mill with a 5/16" mill diameter, 13/16" length of cut, and 2-1/2" overall length. 3G Electric sources this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.
Frequently Asked Questions
What is a ball-nose carbide roughing end mill used for?
A ball-nose carbide roughing end mill is used for aggressive material removal in die and mold making, aerospace, and automotive machining. Its rounded tip allows for 3D contouring, slotting, and profiling in hardened steels and alloys. The 4-flute design provides efficient chip evacuation and reduced vibration during heavy cuts.
What are the specifications of the APPROVED VENDOR 258-312812 roughing end mill?
This roughing end mill has a 5/16" mill diameter, 13/16" length of cut (LOC), and 2-1/2" overall length (OAL). It is made of carbide with 4 flutes and a ball-nose profile. The manufacturer part number is 258-312812. These specs suit precision roughing in CNC milling operations.
Where to buy APPROVED VENDOR roughing end mills worldwide?
3G Electric supplies APPROVED VENDOR roughing end mills worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 258-312812 or other carbide end mills. We source and deliver to any country.
How to select the right carbide roughing end mill for my application?
Select based on material hardness, required surface finish, and machine rigidity. For general roughing in steel, a 4-flute ball-nose carbide end mill like the APPROVED VENDOR 258-312812 offers good chip clearance and durability. Match the mill diameter to your slot width and the LOC to your depth of cut. Use coolant for best tool life.
OEM Products
3G Electric supplies OEM ball-nose carbide roughing end mills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
