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OSG Jobber Length Drill Bit: Letter J, 130° R-Thinning Point - General Purpose Cobalt Jobber-Length Drill Bits
OSGGeneral Purpose Cobalt Jobber-Length Drill Bits

OSG Jobber Length Drill Bit: Letter J, 130° R-Thinning Point

OSG General Purpose Cobalt Jobber-Length Drill Bits.

SKU 3G-OTH-197851

Brand
OSG
Item
Jobber Length Drill Bit: Letter J, 130° R-Thinning Point
Category
General Purpose Cobalt Jobber-Length Drill Bits
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
15277005

Technical Documents

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

Product Description

OSG General Purpose Cobalt Jobber-Length Drill Bits.

Frequently Asked Questions

What is the OSG Jobber Length Drill Bit 15277005 used for?

This OSG TiN-coated cobalt drill bit is designed for general-purpose drilling in tough materials. Its 130° R-thinning point reduces thrust and improves chip evacuation, making it suitable for production machining and maintenance applications across metalworking industries.

What are the specifications of the OSG 15277005 drill bit?

The OSG 15277005 is a jobber-length drill bit with a Letter J size (0.2770 inch diameter). It features a 130° R-thinning point, TiN coating on cobalt steel, and is built for general-purpose use. The manufacturer part number is 15277005.

Where to buy the OSG 15277005 drill bit worldwide?

3G Electric supplies the OSG 15277005 drill bit to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this TiN-coated cobalt bit to your facility. Contact us for availability and lead time.

How to select the correct OSG jobber drill bit size?

Select the OSG jobber drill bit by matching the Letter J size (0.2770 inch) to your hole diameter requirement. For general-purpose drilling in steel or stainless, the TiN coating and 130° point reduce wear. Always confirm shank compatibility with your chuck and material hardness.

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 jobber-length drill bits. 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 Jobber Length Drill Bit: Letter I, 130° R-Thinning Point, TiN-Coated Cobalt (MPN 15272005)
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OSG Jobber Length Drill Bit: Letter I, 130° R-Thinning Point, TiN-Coated Cobalt (MPN 15272005)
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OSG Jobber Length Drill Bit: Letter V, 130° R-Thinning Point, TiN-Coated Cobalt (MPN 15377005)
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OSG Jobber Length Drill Bit: Letter W, 130° R-Thinning Point, TiN-Coated Cobalt (MPN 15386005)

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This OSG jobber-length drill bit is made of cobalt steel with a TiN coating for heat resistance and wear protection. The 130° split-point (R-Thinning) geometry enables self-centering and reduces thrust. It is suited for drilling hardened steels, stainless steels, and other tough materials in production machining and maintenance applications
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This OSG jobber-length drill bit is made from cobalt steel with a titanium nitride (TiN) coating for heat resistance and extended tool life. It features a 130° split-point with R-thinning geometry for reduced thrust and improved chip evacuation. Designed for general-purpose drilling in ferrous metals and hard materials, it is suitable for production machining, maintenance, and fabrication applications
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