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OSG Chucking Reamer: 0.159 in Dia, #21, Straight Flute - Straight-Flute Solid Carbide Chucking Reamers
OSGStraight-Flute Solid Carbide Chucking Reamers

OSG Chucking Reamer: 0.159 in Dia, #21, Straight Flute

OSG Straight-Flute Solid Carbide Chucking Reamers.

SKU 3G-OTH-206501

Also listed as: 3001590 · 300 1590

Brand
OSG
Item
Chucking Reamer: 0.159 in Dia, #21, Straight Flute
Category
Straight-Flute Solid Carbide Chucking Reamers
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
300-1590

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

Product Description

OSG Straight-Flute Solid Carbide Chucking Reamers.

Frequently Asked Questions

What is an OSG chucking reamer used for?

An OSG chucking reamer is used for precision finishing of drilled or bored holes to achieve tight diameter tolerances and smooth surface finishes. It is commonly applied in machining operations across automotive, aerospace, and general manufacturing industries where accuracy and repeatability are critical.

What are the specifications of the OSG 300-1590 chucking reamer?

The OSG 300-1590 is a straight-flute solid carbide chucking reamer with a 0.159 in diameter, corresponding to a #21 size. It is manufactured by OSG under part number 300-1590. The carbide construction provides hardness and wear resistance for extended tool life in ferrous and non-ferrous materials.

Where to buy OSG 300-1590 chucking reamer worldwide?

3G Electric supplies the OSG 300-1590 chucking reamer to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this precision tool.

How to select the right chucking reamer for a job?

Select a chucking reamer based on hole diameter, material, and tolerance requirements. For the OSG 300-1590, match the 0.159 in diameter to your finished hole size. Use straight-flute reamers for through holes and general applications; carbide is ideal for hard materials and high production runs.

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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Cross-referenced by specification & description
OSG Chucking Reamer: 0.161 in Dia, #20, Straight Flute, Carbide (MPN 300-1610)
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OSG Chucking Reamer: 0.154 in Dia, #23, Straight Flute, Carbide (MPN 300-1540)
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Straight-flute solid carbide chucking reamer for precision hole finishing. Enlarges and smooths existing holes to tight tolerances in metalworking applications. Diameter 0.166 in, #19 wire size

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