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

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG 447-1250 Left-Helix Carbide Square End Mill - Left-Helix Carbide Square End Mills
OSGLeft-Helix Carbide Square End Mills

OSG 447-1250 Left-Helix Carbide Square End Mill

OSG Left-Helix Carbide Square End Mills.

SKU 3G-OTH-235060

Also listed as: 4471250 · 447 1250

Brand
OSG
Item
447-1250 Left-Helix Carbide Square End Mill
Category
Left-Helix Carbide Square End Mills
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
447-1250

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

OSG Left-Helix Carbide Square End Mills.

Frequently Asked Questions

What is the OSG 447-1250 square end mill used for?

The OSG 447-1250 is a left-helix carbide square end mill designed for plunge cutting and slotting in hard materials. It is commonly used in CNC machining for creating flat-bottomed slots, pockets, and contours in tool steels, stainless steels, and high-temperature alloys.

What are the specifications of the OSG 447-1250 end mill?

The OSG 447-1250 is a carbide square end mill with 4 flutes, a 1/8" mill diameter, 1/2" length of cut, and 1-1/2" overall length. It features a left-helix geometry for improved chip evacuation in demanding applications. The manufacturer part number is 447-1250.

Where to buy OSG 447-1250 end mills worldwide?

OSG 447-1250 end mills are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct OSG square end mill for your application?

Select an OSG square end mill based on material hardness, required finish, and machine capabilities. For the 447-1250, use it for plunge cutting and slotting in hard materials. Match flute count to material type: 4 flutes for harder materials. Always verify shank diameter and overall length fit your tool holder.

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 left-helix carbide square end mills. 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
Carbide square end mill with left-helix design for plunge cutting and slotting in ferrous and non-ferrous materials. Four-flute geometry provides efficient chip evacuation and smooth finishes in CNC milling applications
OSG
Carbide square end mill with left-helix design for plunge cutting and slotting in ferrous and non-ferrous materials. Four-flute geometry provides efficient chip evacuation and smooth finishes in CNC milling applications
This OSG carbide square end mill features a left-helix flute design for efficient chip evacuation in slotting, profiling, and contouring operations. With a 5/8" cutting diameter, 1-1/4" length of cut, and 3-1/2" overall length, it is suited for CNC machining of ferrous and non-ferrous materials requiring square shoulders and tight tolerances
OSG
This OSG carbide square end mill features a left-helix flute design for efficient chip evacuation in slotting, profiling, and contouring operations. With a 5/8" cutting diameter, 1-1/4" length of cut, and 3-1/2" overall length, it is suited for CNC machining of ferrous and non-ferrous materials requiring square shoulders and tight tolerances
This OSG square end mill is made of carbide with a left-helix design for improved chip evacuation. It has 4 flutes, a 3/4" mill diameter, 1-1/2" length of cut, and 4" overall length. Suitable for slotting, profiling, and contouring in CNC machining of ferrous and non-ferrous materials
OSG
This OSG square end mill is made of carbide with a left-helix design for improved chip evacuation. It has 4 flutes, a 3/4" mill diameter, 1-1/2" length of cut, and 4" overall length. Suitable for slotting, profiling, and contouring in CNC machining of ferrous and non-ferrous materials
This carbide square end mill from OSG features two flutes and a square profile for creating sharp 90-degree corners. With an 18 mm mill diameter, 76 mm length of cut, and 153 mm overall length, it is suited for milling flat-bottomed slots, pockets, and contours in metals and composites
OSG
This carbide square end mill from OSG features two flutes and a square profile for creating sharp 90-degree corners. With an 18 mm mill diameter, 76 mm length of cut, and 153 mm overall length, it is suited for milling flat-bottomed slots, pockets, and contours in metals and composites
Carbide square end mill with 5 flutes, 3/8" mill diameter, 5/8" length of cut, and 2" overall length. Designed for general purpose milling of flat-bottomed slots, pockets, and contours in steel, stainless steel, and cast iron
OSG
Carbide square end mill with 5 flutes, 3/8" mill diameter, 5/8" length of cut, and 2" overall length. Designed for general purpose milling of flat-bottomed slots, pockets, and contours in steel, stainless steel, and cast iron
This carbide square end mill features 5 flutes, a 3/4" mill diameter, 1-1/2" length of cut, and 4" overall length. Designed for general purpose milling, it is suitable for slotting, profiling, and contouring in ferrous and non-ferrous materials on CNC and manual machines
OSG
This carbide square end mill features 5 flutes, a 3/4" mill diameter, 1-1/2" length of cut, and 4" overall length. Designed for general purpose milling, it is suitable for slotting, profiling, and contouring in ferrous and non-ferrous materials on CNC and manual machines

More from OSG

View all OSG parts →
This carbide square end mill features a left-helix design for improved chip evacuation in certain materials. With 4 flutes, a 1" mill diameter, 1-1/2" length of cut, and 4" overall length, it is suitable for slotting, profiling, and contouring operations in metalworking applications requiring sharp 90° corners
OSG
This carbide square end mill features a left-helix design for improved chip evacuation in certain materials. With 4 flutes, a 1" mill diameter, 1-1/2" length of cut, and 4" overall length, it is suitable for slotting, profiling, and contouring operations in metalworking applications requiring sharp 90° corners
This left-helix carbide square end mill from OSG features 4 flutes, a 5/16" mill diameter, 13/16" length of cut, and 2-1/2" overall length. The left-helix design aids chip evacuation in certain materials. It is used for precision milling operations such as slotting, profiling, and contouring, producing sharp 90° corners
OSG
This left-helix carbide square end mill from OSG features 4 flutes, a 5/16" mill diameter, 13/16" length of cut, and 2-1/2" overall length. The left-helix design aids chip evacuation in certain materials. It is used for precision milling operations such as slotting, profiling, and contouring, producing sharp 90° corners
Carbide square end mill with left-helix geometry for improved chip evacuation. Features 4 flutes, 1/4" mill diameter, 3/4" length of cut, and 2-1/2" overall length. Suitable for plunge cutting and slotting in hard materials on CNC machining centers
OSG
Carbide square end mill with left-helix geometry for improved chip evacuation. Features 4 flutes, 1/4" mill diameter, 3/4" length of cut, and 2-1/2" overall length. Suitable for plunge cutting and slotting in hard materials on CNC machining centers
This OSG square end mill is made of carbide with a left-helix design and four flutes. It has a 1/16" cutting diameter, 3/16" length of cut, and 1-1/2" overall length. Suitable for plunge milling and slotting in ferrous and non-ferrous materials, it is used in general machining, mold work, and production runs
OSG
This OSG square end mill is made of carbide with a left-helix design and four flutes. It has a 1/16" cutting diameter, 3/16" length of cut, and 1-1/2" overall length. Suitable for plunge milling and slotting in ferrous and non-ferrous materials, it is used in general machining, mold work, and production runs
Carbide square end mill with left-helix flute design for improved chip evacuation. Four-flute configuration with 1/2" mill diameter, 1" length of cut, and 3" overall length. Suitable for slotting, profiling, and contouring operations in metalworking applications requiring sharp 90° corners
OSG
Carbide square end mill with left-helix flute design for improved chip evacuation. Four-flute configuration with 1/2" mill diameter, 1" length of cut, and 3" overall length. Suitable for slotting, profiling, and contouring operations in metalworking applications requiring sharp 90° corners
Carbide square end mill with left-helix design for improved chip evacuation. Features 4 flutes, 3/8" cutting diameter, 1" length of cut, and 2-1/2" overall length. Used for precision slotting, profiling, and contouring in metalworking applications requiring sharp 90° corners
OSG
Carbide square end mill with left-helix design for improved chip evacuation. Features 4 flutes, 3/8" cutting diameter, 1" length of cut, and 2-1/2" overall length. Used for precision slotting, profiling, and contouring in metalworking applications requiring sharp 90° corners
Left-helix carbide square end mill with TiAlN coating, 4 flutes, 3/16" mill diameter, 5/8" length of cut, and 2" overall length. Used for slotting, profiling, and contouring in ferrous and non-ferrous materials. The left-helix geometry aids chip evacuation in high-speed machining applications
OSG
Left-helix carbide square end mill with TiAlN coating, 4 flutes, 3/16" mill diameter, 5/8" length of cut, and 2" overall length. Used for slotting, profiling, and contouring in ferrous and non-ferrous materials. The left-helix geometry aids chip evacuation in high-speed machining applications
This left-helix carbide square end mill features a TiAlN coating and 4-flute geometry for plunge cutting and slotting in hard materials. With a 1/8" mill diameter, 1/2" length of cut, and 1-1/2" overall length, it is suited for high-speed machining in industrial manufacturing applications
OSG
This left-helix carbide square end mill features a TiAlN coating and 4-flute geometry for plunge cutting and slotting in hard materials. With a 1/8" mill diameter, 1/2" length of cut, and 1-1/2" overall length, it is suited for high-speed machining in industrial manufacturing applications