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OSG Jobber Length Drill Bit: #21, 130° R-Thinning Point - General Purpose Cobalt Jobber-Length Drill Bits
OSGGeneral Purpose Cobalt Jobber-Length Drill Bits

OSG Jobber Length Drill Bit: #21, 130° R-Thinning Point

OSG General Purpose Cobalt Jobber-Length Drill Bits.

SKU 3G-OTH-198155

Brand
OSG
Item
Jobber Length Drill Bit: #21, 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
15159005

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 #21 jobber length drill bit used for?

The OSG #21 jobber length drill bit is used for general-purpose drilling in ferrous metals, stainless steel, and high-temperature alloys. Its TiN-coated cobalt construction provides wear resistance and heat dissipation, making it suitable for production machining and maintenance applications where precision and tool life are critical.

What are the specifications of the OSG 15159005 drill bit?

The OSG 15159005 is a #21 jobber length drill bit with a 0.1590-inch diameter, 130° point angle with R-thinning, and TiN-coated cobalt material. It is designed for general-purpose drilling in tough materials. 3G Electric supplies this OSG bit worldwide, handling logistics and customs for industrial buyers.

Where to buy OSG drill bits in worldwide?

You can source OSG drill bits, including the #21 TiN-coated cobalt model, through 3G Electric. As a global industrial equipment distributor since 1990, we manage full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG part.

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

Select an OSG jobber drill bit based on material hardness, hole depth, and required finish. For stainless or high-temp alloys, choose TiN-coated cobalt bits like the #21 with 130° point. Match diameter to your hole size (0.1590 inches for #21). 3G Electric can advise on OSG options for your specific machining needs.

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: 3/16", 130° R-Thinning Point, TiN-Coated Cobalt (MPN 15187505)
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