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

OSG Screw Machine Drill Bit: 25/64", 130° R-Thinning Point

SKU 3G-OTH-409639

Brand
OSG
Item
Screw Machine Drill Bit: 25/64", 130° R-Thinning Point
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
10390605
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG 10390605 screw machine drill bit used for?

The OSG 10390605 is a general-purpose cobalt screw-machine length drill bit used for high-speed drilling in production environments. Its 130° R-thinning point and TiN coating improve cutting efficiency and tool life on materials like steel and stainless steel. It is ideal for automated lathes and CNC machines requiring precise, short-hole drilling.

What are the specifications of the OSG 10390605 drill bit?

The OSG 10390605 is a 25/64" diameter screw-machine length drill bit with a 130° R-thinning point and TiN-coated cobalt construction. Its decimal equivalent is 0.3906 inches. The manufacturer part number is 10390605. This general-purpose bit is designed for high-speed drilling in ferrous metals and offers enhanced wear resistance.

Where to buy OSG 10390605 drill bits worldwide?

You can source the OSG 10390605 drill bit 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 times. 3G Electric supplies this OSG screw-machine drill bit to procurement teams and plant engineers internationally.

How to select the correct OSG screw-machine drill bit size?

To select the correct OSG screw-machine drill bit, match the diameter to your hole size requirement—here 25/64" (0.3906 inches). Ensure the 130° point angle suits your material; TiN coating is ideal for steel. Confirm shank compatibility with your chuck. For production runs, OSG cobalt bits offer durability. Consult your application specs before ordering.

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 screw-machine 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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