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OSG Chucking Reamer: 0.404 in Dia, Y, Straight Flute - Straight-Flute Solid Carbide Chucking Reamers
OSGStraight-Flute Solid Carbide Chucking Reamers

OSG Chucking Reamer: 0.404 in Dia, Y, Straight Flute

OSG Straight-Flute Solid Carbide Chucking Reamers.

SKU 3G-OTH-205769

Also listed as: 3004040 · 300 4040

Brand
OSG
Item
Chucking Reamer: 0.404 in Dia, Y, Straight Flute
Category
Straight-Flute Solid Carbide Chucking Reamers
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
300-4040

Technical Documents

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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 the OSG Chucking Reamer 300-4040 used for?

The OSG Chucking Reamer 300-4040 is used for precision finishing of holes in metalworking applications. Its straight-flute carbide design provides accurate sizing and smooth surface finishes in production machining, tool and die making, and maintenance operations where tight tolerances are required.

What are the specifications of the OSG Chucking Reamer 300-4040?

The OSG Chucking Reamer 300-4040 has a diameter of 0.404 in, features a straight flute design, and is made from solid carbide. The manufacturer part number is 300-4040. It is designed for use in industrial machining operations requiring precise hole sizing and durability.

Where to buy the OSG Chucking Reamer 300-4040 worldwide?

You can source the OSG Chucking Reamer 300-4040 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 on this precision reamer.

How to select the correct OSG Chucking Reamer for your application?

To select the correct OSG Chucking Reamer, match the reamer diameter to your required hole size, choose the flute type (straight for general use), and confirm the material compatibility—carbide for hard materials. Always verify the shank fits your machine's chuck and consider the required surface finish tolerance.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Chucking Reamer: 0.4055 in Dia, 10.3 mm, Straight Flute, Carbide (MPN 300-4055)
OSG
OSG Chucking Reamer: 0.4055 in Dia, 10.3 mm, Straight Flute, Carbide (MPN 300-4055)
OSG Chucking Reamer: 0.386 in Dia, W, Straight Flute, Carbide (MPN 300-3860)
OSG
OSG Chucking Reamer: 0.386 in Dia, W, Straight Flute, Carbide (MPN 300-3860)
OSG Chucking Reamer: 0.4095 in Dia, 10.4 mm, Straight Flute, Carbide (MPN 300-4094)
OSG
OSG Chucking Reamer: 0.4095 in Dia, 10.4 mm, Straight Flute, Carbide (MPN 300-4094)
OSG Chucking Reamer: 0.397 in Dia, X, Straight Flute, Carbide (MPN 300-3970)
OSG
OSG Chucking Reamer: 0.397 in Dia, X, Straight Flute, Carbide (MPN 300-3970)
OSG Chucking Reamer: 0.4063 in Dia, 13/32 in, Straight Flute, Carbide (MPN 300-4062)
OSG
OSG Chucking Reamer: 0.4063 in Dia, 13/32 in, Straight Flute, Carbide (MPN 300-4062)
OSG Chucking Reamer: 0.4016 in Dia, 10.2 mm, Straight Flute, Carbide (MPN 300-4016)
OSG
OSG Chucking Reamer: 0.4016 in Dia, 10.2 mm, Straight Flute, Carbide (MPN 300-4016)

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