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OSG 4921100 General Purpose Cobalt Roughing End Mill - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG 4921100 General Purpose Cobalt Roughing End Mill

OSG General Purpose Cobalt Roughing End Mills.

SKU 3G-OTH-269088

Brand
OSG
Item
4921100 General Purpose Cobalt Roughing End Mill
Category
General Purpose Cobalt Roughing End Mills
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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
4921100

Technical Documents

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

Product Description

OSG General Purpose Cobalt Roughing End Mills.

Frequently Asked Questions

What is the OSG 4921100 roughing end mill used for?

The OSG 4921100 is a general-purpose cobalt roughing end mill used for heavy material removal in industrial machining. It is designed for ferrous metals and high-temperature alloys, commonly applied in mold, die, and aerospace manufacturing. Its 8-flute geometry and cobalt construction provide durability and heat resistance for aggressive roughing operations.

What are the specifications of the OSG 4921100 roughing end mill?

The OSG 4921100 is a cobalt roughing end mill with an 8-flute design, 2-inch mill diameter, 6-inch length of cut, and 9-3/4-inch overall length. The manufacturer part number is 4921100. It is a general-purpose tool suited for roughing operations on tough materials, offering high stock removal rates and extended tool life.

Where to buy the OSG 4921100 roughing end mill worldwide?

You can source the OSG 4921100 roughing end mill 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; we provide competitive pricing and reliable sourcing for this OSG cutting tool.

How to select the right OSG roughing end mill for your application?

To select the right OSG roughing end mill, match the tool diameter, flute count, and length of cut to your material and machine capabilities. For heavy roughing on steel or alloys, the 8-flute cobalt design of the 4921100 offers strength and heat resistance. Always verify shank compatibility and use appropriate speeds and feeds per OSG recommendations.

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 general purpose cobalt roughing end mills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Cobalt roughing end mill with 8-flute design for heavy material removal in ferrous metals and high-temperature alloys. 2" mill diameter, 4" length of cut, 7-3/4" overall length. Suitable for roughing operations in mold, die, and aerospace applications
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Cobalt roughing end mill with 8-flute design for heavy material removal in ferrous metals and high-temperature alloys. 2" mill diameter, 4" length of cut, 7-3/4" overall length. Suitable for roughing operations in mold, die, and aerospace applications
This OSG roughing end mill is made from cobalt high-speed steel, providing heat resistance for heavy material removal. With 8 flutes, a 2-inch diameter, 4-inch length of cut, and 6-1/2-inch overall length, it is suited for roughing operations on steel, stainless steel, and ferrous alloys in industrial machining and tool-and-die applications
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This OSG roughing end mill is made from cobalt high-speed steel, providing heat resistance for heavy material removal. With 8 flutes, a 2-inch diameter, 4-inch length of cut, and 6-1/2-inch overall length, it is suited for roughing operations on steel, stainless steel, and ferrous alloys in industrial machining and tool-and-die applications
Cobalt roughing end mill with 1-1/2" diameter, 5" length of cut, and 7-1/2" overall length. 6-flute design for efficient chip evacuation in heavy material removal. Suitable for rough profiling, slotting, and cavity work on steels and alloys
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Cobalt roughing end mill with 1-1/2" diameter, 5" length of cut, and 7-1/2" overall length. 6-flute design for efficient chip evacuation in heavy material removal. Suitable for rough profiling, slotting, and cavity work on steels and alloys
Cobalt roughing end mill with 1-1/2 inch diameter, 4 inch length of cut, and 6-1/2 inch overall length. Six-flute design for efficient chip evacuation and reduced vibration during heavy material removal. Suitable for roughing operations on ferrous metals and high-temperature alloys in industrial machining applications such as mold, die, and aerospace manufacturing
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Cobalt roughing end mill with 1-1/2 inch diameter, 4 inch length of cut, and 6-1/2 inch overall length. Six-flute design for efficient chip evacuation and reduced vibration during heavy material removal. Suitable for roughing operations on ferrous metals and high-temperature alloys in industrial machining applications such as mold, die, and aerospace manufacturing
This cobalt roughing end mill is designed for heavy material removal in machining operations. With 6 flutes, a 1-1/2" mill diameter, 2" length of cut, and 4-1/2" overall length, it is suited for roughing in ferrous metals and high-temperature alloys. Typical applications include automotive, aerospace, and mold making
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This cobalt roughing end mill is designed for heavy material removal in machining operations. With 6 flutes, a 1-1/2" mill diameter, 2" length of cut, and 4-1/2" overall length, it is suited for roughing in ferrous metals and high-temperature alloys. Typical applications include automotive, aerospace, and mold making
Cobalt roughing end mill with 6 flutes, 1-1/4" mill diameter, 4" length of cut, and 6-1/2" overall length. Designed for heavy material removal in ferrous metals and high-temperature alloys. Suitable for industrial machining applications such as mold, die, and aerospace manufacturing where rapid stock removal is prioritized
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Cobalt roughing end mill with 6 flutes, 1-1/4" mill diameter, 4" length of cut, and 6-1/2" overall length. Designed for heavy material removal in ferrous metals and high-temperature alloys. Suitable for industrial machining applications such as mold, die, and aerospace manufacturing where rapid stock removal is prioritized

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Cobalt roughing end mill with 6 flutes and fine-pitch geometry for aggressive material removal in ferrous metals. Mill diameter 1-1/4", length of cut 2", overall length 4-1/2". Suitable for roughing passes in general metalworking applications
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Cobalt roughing end mill with 6 flutes and fine-pitch geometry for aggressive material removal in ferrous metals. Mill diameter 1-1/4", length of cut 2", overall length 4-1/2". Suitable for roughing passes in general metalworking applications
This OSG roughing end mill is made of cobalt with a TiCN coating and fine pitch design. It has 4 flutes, a 5/16" mill diameter, and a 1-3/8" length of cut. Suitable for general purpose roughing operations in ferrous metals, it is used in milling applications for material removal
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This OSG roughing end mill is made of cobalt with a TiCN coating and fine pitch design. It has 4 flutes, a 5/16" mill diameter, and a 1-3/8" length of cut. Suitable for general purpose roughing operations in ferrous metals, it is used in milling applications for material removal
This OSG roughing end mill is made of cobalt steel and features 6 flutes with a 2-inch mill diameter, 6-inch length of cut, and 9-3/4-inch overall length. Designed for aggressive material removal in ferrous metals, it is suitable for CNC and manual milling machines. The tool leaves a rough surface finish that is later refined with a finishing end mill, commonly used in mold making, die work, and general industrial machining
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This OSG roughing end mill is made of cobalt steel and features 6 flutes with a 2-inch mill diameter, 6-inch length of cut, and 9-3/4-inch overall length. Designed for aggressive material removal in ferrous metals, it is suitable for CNC and manual milling machines. The tool leaves a rough surface finish that is later refined with a finishing end mill, commonly used in mold making, die work, and general industrial machining
Cobalt roughing end mill with 3/4" diameter, 4 flutes, and fine pitch. Length of cut is 3", overall length 5-1/4". Designed for high material removal rates in ferrous materials, leaving a rough surface for subsequent finishing
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Cobalt roughing end mill with 3/4" diameter, 4 flutes, and fine pitch. Length of cut is 3", overall length 5-1/4". Designed for high material removal rates in ferrous materials, leaving a rough surface for subsequent finishing
Cobalt high-speed steel roughing end mill with 4 flutes and fine-pitch geometry. Mill diameter 1/2", length of cut 2", overall length 4". Designed for aggressive material removal in general machining applications on ferrous metals, stainless steel, and high-temperature alloys
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Cobalt high-speed steel roughing end mill with 4 flutes and fine-pitch geometry. Mill diameter 1/2", length of cut 2", overall length 4". Designed for aggressive material removal in general machining applications on ferrous metals, stainless steel, and high-temperature alloys
This general purpose cobalt roughing end mill features a TiAlN coating and fine pitch geometry. With a 3/4" mill diameter and 3/4" length of cut, it is suited for aggressive material removal in machining operations on steels and alloys. The 3-flute design promotes efficient chip evacuation and reduced cutting forces during roughing passes
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This general purpose cobalt roughing end mill features a TiAlN coating and fine pitch geometry. With a 3/4" mill diameter and 3/4" length of cut, it is suited for aggressive material removal in machining operations on steels and alloys. The 3-flute design promotes efficient chip evacuation and reduced cutting forces during roughing passes
This OSG roughing end mill is made from cobalt for heat resistance and features a fine pitch design with 6 flutes. It has a 1-1/2" mill diameter, 5" length of cut, and 7-1/2" overall length. Suitable for high-speed material removal in machining operations on steel and other metals
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This OSG roughing end mill is made from cobalt for heat resistance and features a fine pitch design with 6 flutes. It has a 1-1/2" mill diameter, 5" length of cut, and 7-1/2" overall length. Suitable for high-speed material removal in machining operations on steel and other metals
This OSG roughing end mill is made of cobalt steel and features 6 flutes. It has a 2-inch mill diameter, 8-inch length of cut, and 11-3/4-inch overall length. Designed for heavy material removal in ferrous metals and high-temperature alloys, it is suitable for rough profiling and slotting operations in CNC and manual milling machines
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This OSG roughing end mill is made of cobalt steel and features 6 flutes. It has a 2-inch mill diameter, 8-inch length of cut, and 11-3/4-inch overall length. Designed for heavy material removal in ferrous metals and high-temperature alloys, it is suitable for rough profiling and slotting operations in CNC and manual milling machines