OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1241005) is a general-purpose spiral-point tap with a TiN-coated high-speed steel construction, featuring an H5 / 2B-3B tolerance, 3-flute design, and plug chamfer. 3G…
SKU 3G-OTH-215160
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1241005) is a general-purpose spiral-point tap with a TiN-coated high-speed steel construction, featuring an H5 / 2B-3B tolerance, 3-flute design, and plug chamfer. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in machining and controls to support your sourcing needs.
Frequently Asked Questions
What is the OSG spiral point tap 5/16-18 UNC used for?
This OSG spiral point tap is used for threading blind or through holes in ferrous and non-ferrous materials. Its TiN coating reduces friction and extends tool life, making it suitable for general-purpose tapping in automotive, aerospace, and industrial manufacturing applications.
What are the specifications of the OSG spiral point tap MPN 1241005?
The OSG spiral point tap MPN 1241005 has a 5/16-18 UNC thread size, H5 / 2B-3B tolerance, 3 flutes, plug chamfer, and TiN coated high speed steel construction. It is designed for general-purpose tapping and is available from 3G Electric.
Where to buy OSG spiral point taps worldwide?
You can source OSG spiral point taps worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. Contact us for availability and lead time on this MPN 1241005 or other OSG tapping tools.
How to select the correct OSG spiral point tap for a job?
Select the OSG spiral point tap based on thread size (e.g., 5/16-18 UNC), material type, and hole configuration. For through holes, a plug chamfer works well. TiN coating suits harder materials. Consult OSG's technical data for optimal speeds and feeds. 3G Electric can assist with sourcing the correct tap.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










