OSG Spiral Flute Tap: 1/4"-28 UNF, 2B, 2 Flute, Modified Bottoming Chamfer (MPN 1305800608)
SKU 3G-OTH-232890
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG spiral flute tap 1305800608 used for?
The OSG spiral flute tap 1305800608 is designed for threading aluminum and other non-ferrous materials. Its spiral flute design efficiently evacuates chips upward, making it ideal for through-hole and blind-hole tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 1305800608?
This OSG tap has a 1/4"-28 UNF thread size, 2B class of fit, 2 flutes, and a modified bottoming chamfer. The manufacturer part number is 1305800608. It is specifically engineered for tapping aluminum and similar materials, providing precise thread formation and chip evacuation.
Where to buy OSG spiral flute taps worldwide?
You can source the OSG spiral flute tap 1305800608 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your threading needs.
How to select the right OSG tap for aluminum?
For aluminum, choose a spiral flute tap like the OSG 1305800608 with a 1/4"-28 UNF thread and 2B fit. The spiral flute design prevents chip clogging in blind holes. Ensure the tap matches your material hardness and hole type (through or blind) for optimal thread quality and tool life.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














