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OSG Jobber Length Drill Bit: #28, 130° X-Thinning Point - General Purpose Cobalt Jobber-Length Drill Bits
OSGGeneral Purpose Cobalt Jobber-Length Drill Bits

OSG Jobber Length Drill Bit: #28, 130° X-Thinning Point

SKU 3G-OTH-198092

Brand
OSG
Item
Jobber Length Drill Bit: #28, 130° X-Thinning Point
Category
General Purpose Cobalt Jobber-Length Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
15140505
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG #28 jobber length drill bit used for?

This OSG #28 (0.1405 inch) TiN-coated cobalt jobber-length drill bit is designed for general-purpose drilling in hard materials such as stainless steel and alloy steels. The 130° X-thinning point reduces thrust and improves chip evacuation, making it suitable for production and maintenance applications.

What are the specifications of the OSG 15140505 drill bit?

The OSG 15140505 is a #28 jobber-length drill bit with a 0.1405 inch diameter. It features a 130° X-thinning point, TiN coating, and is made from cobalt high-speed steel. This general-purpose bit is designed for drilling ferrous metals and offers extended tool life.

Where to buy OSG drill bits worldwide?

3G Electric supplies OSG drill bits, including the #28 TiN-coated cobalt model, to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other OSG tooling products.

How to select the correct OSG jobber drill bit size?

Select the OSG jobber drill bit by matching the required hole diameter to the bit's size designation. For the #28 bit, the diameter is 0.1405 inches. Consider material hardness and coating: TiN-coated cobalt bits suit harder steels. Always verify the point angle (130°) matches your drilling application for optimal performance.

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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