OSG Screw Machine Drill Bit: #39, 130° R-Thinning Point
SKU 3G-OTH-409495
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Frequently Asked Questions
What is OSG screw machine drill bit #39 used for?
The OSG #39 screw machine drill bit is designed for high-speed drilling in production environments. Its 130° R-thinning point reduces thrust, while the TiN-coated cobalt construction handles ferrous metals, stainless steel, and hardened materials in automated machining centers.
What are the specifications of OSG drill bit 10099505?
The OSG 10099505 is a #39 screw machine length drill bit with a 0.0995 inch diameter, 130° R-thinning point, and TiN-coated cobalt substrate. It is designed for general purpose drilling in rigid setups, offering wear resistance and chip evacuation in production runs.
Where to buy OSG 10099505 drill bit worldwide?
3G Electric supplies the OSG 10099505 screw machine drill bit worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this TiN-coated cobalt bit.
How to select the right OSG screw machine drill bit for my application?
Select based on material hardness, hole depth, and machine rigidity. The OSG #39 with 130° R-thinning point suits stainless steel and alloy steels. Match diameter to your tolerance requirement (0.0995 inch) and use proper coolant for TiN-coated tools to maximize tool life.
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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.








