OSG Jobber Length Drill Bit: 25/64", 130° R-Thinning Point
SKU 3G-OTH-197716
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG 15390605 jobber length drill bit used for?
The OSG 15390605 is a general purpose cobalt jobber-length drill bit used for drilling precise holes in hardened steels and tough alloys. Its TiN coating reduces friction and extends tool life, making it suitable for industrial machining, automotive, and aerospace applications.
What are the specifications of the OSG 15390605 drill bit?
The OSG 15390605 is a jobber length drill bit with a 25/64" diameter (0.3906 inches), a 130° R-Thinning point, and TiN-coated cobalt construction. It is designed for general purpose drilling in ferrous materials, offering high heat resistance and durability.
Where to buy the OSG 15390605 drill bit worldwide?
3G Electric supplies the OSG 15390605 drill bit worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine OSG cutting tools to industrial buyers, ensuring reliable procurement for machining operations across 14 industrial departments.
How to select the correct OSG jobber length drill bit for my application?
Select the OSG jobber length drill bit based on material hardness and hole depth. For hardened steels, choose TiN-coated cobalt bits like the 15390605. Match the diameter (25/64") to your hole size and ensure the 130° point angle suits your workpiece. Consult OSG's technical data for feed and speed recommendations.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose cobalt jobber-length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















