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OSG Screw Machine Drill Bit: #31, 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: #31, 130° R-Thinning Point

SKU 3G-OTH-409634

Brand
OSG
Item
Screw Machine Drill Bit: #31, 130° R-Thinning Point
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
10120005
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG #31 screw machine drill bit used for?

The OSG #31 screw machine drill bit is used for high-speed drilling in automated machining centers and screw machines. Its 130° R-thinning point reduces thrust, while the TiN-coated cobalt construction provides heat resistance and extended tool life in ferrous metals and alloys.

What are the specifications of the OSG 10120005 drill bit?

The OSG 10120005 is a #31 screw machine length drill bit with a 0.1200-inch diameter. It features a 130° R-thinning point, TiN coating, and is made from cobalt steel. This general-purpose bit is designed for rigid setups and high-production environments.

Where to buy OSG drill bits worldwide?

You can source OSG drill bits worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead times on the OSG 10120005 and other OSG tooling.

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

Select the OSG screw machine drill bit by matching the wire gauge or decimal diameter to your hole requirement. The #31 bit has a 0.1200-inch diameter. For rigid, high-speed applications, choose TiN-coated cobalt for heat resistance. Always verify shank compatibility with your machine's collet.

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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