OSG Screw Machine Drill Bit: #31, 130° R-Thinning Point
SKU 3G-OTH-409634
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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.
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Common applications for OSGOSG 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.











