OSG Spiral Point Tap: 7/16"-14 UNC, 2B+, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (7/16"-14 UNC, MPN 1594001) is an oversized spiral-point tap with a 2B+ tolerance, plug chamfer, and black oxide high-speed steel construction. It features 3 flutes, designed for efficient…
SKU 3G-OTH-251140
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Point Tap (7/16"-14 UNC, MPN 1594001) is an oversized spiral-point tap with a 2B+ tolerance, plug chamfer, and black oxide high-speed steel construction. It features 3 flutes, designed for efficient chip evacuation in through-hole threading applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG 7/16"-14 UNC spiral point tap used for?
This OSG spiral point tap is designed for threading through-holes in materials such as steel and cast iron. The 3-flute, plug chamfer design pushes chips forward, reducing clogging. The black oxide coating improves lubricity and wear resistance. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG 7/16"-14 UNC spiral point tap?
This OSG tap has a 7/16"-14 UNC thread size with a 2B+ tolerance class for slightly oversized threads. It features 3 flutes, a plug chamfer, and black oxide high-speed steel construction. The manufacturer part number is 1594001. It is classified as an oversized spiral-point tap for through-hole threading.
Where to buy the OSG 7/16"-14 UNC spiral point tap worldwide?
You can source the OSG 7/16"-14 UNC spiral point tap (MPN 1594001) from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine OSG cutting tools for manufacturing operations.
How to select the correct OSG spiral point tap for a threading application?
Select an OSG spiral point tap based on thread size, pitch, and tolerance class (e.g., 2B+ for oversized threads). For through-holes, spiral point taps push chips forward. Match the tap material (high-speed steel) to the workpiece hardness. Use a plug chamfer for general-purpose threading. Always verify the manufacturer part number, such as 1594001, for exact specifications.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG oversized spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















