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OSG Jobber Length Drill Bit: 25/64", 130° R-Thinning Point - General Purpose Cobalt Jobber-Length Drill Bits
OSGGeneral Purpose Cobalt Jobber-Length Drill Bits

OSG Jobber Length Drill Bit: 25/64", 130° R-Thinning Point

OSG General Purpose Cobalt Jobber-Length Drill Bits.

SKU 3G-OTH-197716

Brand
OSG
Item
Jobber Length Drill Bit: 25/64", 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
15390605

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 15390605 jobber length drill bit used for?

The OSG 15390605 is a general purpose cobalt jobber-length drill bit used for drilling precise holes in hardened steels and tough alloys. Its TiN coating reduces friction and extends tool life, making it suitable for industrial machining, automotive, and aerospace applications.

What are the specifications of the OSG 15390605 drill bit?

The OSG 15390605 is a jobber length drill bit with a 25/64" diameter (0.3906 inches), a 130° R-Thinning point, and TiN-coated cobalt construction. It is designed for general purpose drilling in ferrous materials, offering high heat resistance and durability.

Where to buy the OSG 15390605 drill bit worldwide?

3G Electric supplies the OSG 15390605 drill bit worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine OSG cutting tools to industrial buyers, ensuring reliable procurement for machining operations across 14 industrial departments.

How to select the correct OSG jobber length drill bit for my application?

Select the OSG jobber length drill bit based on material hardness and hole depth. For hardened steels, choose TiN-coated cobalt bits like the 15390605. Match the diameter (25/64") to your hole size and ensure the 130° point angle suits your workpiece. Consult OSG's technical data for feed and speed 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 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
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