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OSG Chucking Reamer: 0.4921 in Dia, 12.5 mm, Straight Flute - Straight-Flute Solid Carbide Chucking Reamers
OSGStraight-Flute Solid Carbide Chucking Reamers

OSG Chucking Reamer: 0.4921 in Dia, 12.5 mm, Straight Flute

SKU 3G-OTH-205891

Brand
OSG
Item
Chucking Reamer: 0.4921 in Dia, 12.5 mm, Straight Flute
Category
Straight-Flute Solid Carbide Chucking Reamers
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Technical Specifications

OSG
Manufacturer Part Number
300-4921
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Chucking Reamer 300-4921 used for?

The OSG Chucking Reamer 300-4921 is a straight-flute solid carbide reamer used for precision hole finishing in metalworking. It achieves tight tolerances and smooth surface finishes in production machining, tool and die making, and maintenance applications. The carbide construction provides wear resistance for extended tool life in ferrous and non-ferrous materials.

What are the specifications of the OSG Chucking Reamer 300-4921?

The OSG Chucking Reamer 300-4921 has a diameter of 0.4921 in (12.5 mm) and features a straight flute design. It is made from solid carbide for durability and precision. The manufacturer part number is 300-4921, and it is produced by OSG. This tool is designed for use in drill presses, milling machines, and lathes for accurate hole sizing.

Where to buy the OSG Chucking Reamer 300-4921 worldwide?

You can source the OSG Chucking Reamer 300-4921 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 supply for this OSG reamer and other precision tooling.

How to select the correct OSG Chucking Reamer for a job?

To select the correct OSG chucking reamer, match the reamer diameter to the required finished hole size, allowing for a small amount of stock removal. Consider the material being machined—solid carbide is ideal for hard or abrasive materials. Ensure the shank fits your toolholder and that the flute length is sufficient for the hole depth. OSG offers various coatings for extended tool life.

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 straight-flute solid carbide chucking reamers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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