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OSG Screw Machine Drill Bit: 5/16", 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: 5/16", 130° R-Thinning Point

SKU 3G-OTH-409476

Brand
OSG
Item
Screw Machine Drill Bit: 5/16", 130° R-Thinning Point
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
10312505
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG 10312505 screw machine drill bit used for?

The OSG 10312505 is a general-purpose cobalt screw-machine length drill bit designed for high-speed drilling in tough materials. Its 130° R-thinning point reduces thrust and improves chip evacuation, making it suitable for automated machining operations in industries like automotive and aerospace.

What are the specifications of the OSG 10312505 drill bit?

The OSG 10312505 is a 5/16" (0.3125 inch) diameter screw-machine length drill bit with a 130° R-thinning point and TiN-coated cobalt construction. It is designed for general-purpose drilling in ferrous and non-ferrous materials, offering enhanced wear resistance and heat dissipation.

Where to buy the OSG 10312505 drill bit worldwide?

3G Electric supplies the OSG 10312505 drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this TiN-coated cobalt bit.

How to select the correct OSG screw machine drill bit for my application?

Select the OSG 10312505 for drilling holes up to 5/16" diameter in hardened steels or stainless alloys. The TiN coating reduces friction and extends tool life. For softer materials, consider uncoated HSS bits. Always match the drill point angle (130°) to your material hardness 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 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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