Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 5/16" Mill Dia - Carbide Square End Mills for Aluminum
OSGCarbide Square End Mills for Aluminum

OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 5/16" Mill Dia

The OSG A BRAND Square End Mill is a carbide, DLC-coated, 3-flute end mill with a 5/16" mill diameter, 15/16" length of cut, and 2-1/2" overall length (MPN 86300709). Designed for aluminum, this tool is supplied by…

SKU 3G-OTH-251828

Brand
OSG
Item
A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 5/16" Mill Dia
Category
Carbide Square End Mills for Aluminum
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

OSG
Manufacturer Part Number
86300709
Type
DLC Coated
Mill Dia
5/16"
OAL
2-1/2"
Flute
3
LOC
15/16"

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The OSG A BRAND Square End Mill is a carbide, DLC-coated, 3-flute end mill with a 5/16" mill diameter, 15/16" length of cut, and 2-1/2" overall length (MPN 86300709). Designed for aluminum, this tool is supplied by 3G Electric, which interprets customer demand and delivers genuine industrial equipment across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG A BRAND square end mill used for?

This carbide square end mill is designed for high-speed machining of aluminum and non-ferrous materials. Its DLC coating reduces friction and built-up edge, making it ideal for finishing and roughing operations in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG A BRAND square end mill?

The OSG A BRAND square end mill (MPN 86300709) is a carbide, DLC-coated, 3-flute tool with a 5/16" mill diameter, 15/16" length of cut, and 2-1/2" overall length. It is designed specifically for aluminum and non-ferrous materials.

Where to buy the OSG A BRAND square end mill worldwide?

3G Electric supplies the OSG A BRAND square end mill worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this item.

How to select the right OSG square end mill for aluminum?

For aluminum, choose a carbide end mill with a DLC or polished coating to prevent material buildup. The OSG A BRAND 3-flute design provides good chip evacuation. Match the mill diameter and length of cut to your workpiece geometry and machine spindle speed.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG carbide square end mills for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 3/8" Mill Dia, 1-1/2" LOC, 4" OAL (MPN 86300909)
OSG
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 3/8" Mill Dia, 1-1/2" LOC, 4" OAL (MPN 86300909)
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 3/8" Mill Dia, 1-1/8" LOC, 3" OAL (MPN 86300809)
OSG
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 3/8" Mill Dia, 1-1/8" LOC, 3" OAL (MPN 86300809)
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 1/2" Mill Dia, 2-1/2" LOC, 5" OAL (MPN 86301209)
OSG
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 1/2" Mill Dia, 2-1/2" LOC, 5" OAL (MPN 86301209)
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 1/8" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 86300109)
OSG
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 1/8" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 86300109)
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 10 mm Mill Dia, 30 mm LOC, 75 mm OAL (MPN 8557345)
OSG
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 10 mm Mill Dia, 30 mm LOC, 75 mm OAL (MPN 8557345)
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 3/8" Mill Dia, 7/8" LOC, 3" OAL (MPN 88300409)
OSG
OSG A BRAND Square End Mill: Carbide, DLC Coated, 3 Flute, 3/8" Mill Dia, 7/8" LOC, 3" OAL (MPN 88300409)

More from OSG

View all OSG parts
OSG Square End Mill: Carbide, 2 Flute, 5/16" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 20222500)
OSG
OSG Square End Mill: Carbide, 2 Flute, 5/16" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 20222500)
OSG Square End Mill: Carbide, 2 Flute, 11 mm Mill Dia, 22 mm LOC, 75 mm OAL (MPN 8502110)
OSG
OSG Square End Mill: Carbide, 2 Flute, 11 mm Mill Dia, 22 mm LOC, 75 mm OAL (MPN 8502110)
OSG Square End Mill: Carbide, 2 Flute, 14 mm Mill Dia, 26 mm LOC, 85 mm OAL (MPN 8502140)
OSG
OSG Square End Mill: Carbide, 2 Flute, 14 mm Mill Dia, 26 mm LOC, 85 mm OAL (MPN 8502140)
OSG Square End Mill: Carbide, 2 Flute, 4.5 mm Mill Dia, 11 mm LOC, 45 mm OAL (MPN 8502045)
OSG
OSG Square End Mill: Carbide, 2 Flute, 4.5 mm Mill Dia, 11 mm LOC, 45 mm OAL (MPN 8502045)
OSG Square End Mill: Carbide, DLC Coated, 3 Flute, 3/4" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 28530000)
OSG
OSG Square End Mill: Carbide, DLC Coated, 3 Flute, 3/4" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 28530000)
OSG Square End Mill: Carbide, 2 Flute, 7/32" Mill Dia, 3/4" LOC, 2-1/2" OAL (MPN 20221300)
OSG
OSG Square End Mill: Carbide, 2 Flute, 7/32" Mill Dia, 3/4" LOC, 2-1/2" OAL (MPN 20221300)
OSG Square End Mill: Carbide, 2 Flute, 6 mm Mill Dia, 13 mm LOC, 50 mm OAL (MPN 8502060)
OSG
OSG Square End Mill: Carbide, 2 Flute, 6 mm Mill Dia, 13 mm LOC, 50 mm OAL (MPN 8502060)
OSG Square End Mill: Carbide, 2 Flute, 1" Mill Dia, 2" LOC, 5" OAL (MPN 20226100)
OSG
OSG Square End Mill: Carbide, 2 Flute, 1" Mill Dia, 2" LOC, 5" OAL (MPN 20226100)