OSG Spiral Point Tap: 7/16"-20 UNF, 2B+, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (7/16"-20 UNF) is an oversized spiral-point tap with a 2B+ tolerance, 3-flute design, plug chamfer, and black oxide high-speed steel construction (MPN 1594201). 3G Electric sources this…
SKU 3G-OTH-251311
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Product Description
The OSG Spiral Point Tap (7/16"-20 UNF) is an oversized spiral-point tap with a 2B+ tolerance, 3-flute design, plug chamfer, and black oxide high-speed steel construction (MPN 1594201). 3G Electric sources this precision threading tool across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment for demanding 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 Spiral Point Tap 1594201 used for?
The OSG Spiral Point Tap 1594201 is used for threading through-holes in metal workpieces. Its spiral-point design pushes chips forward, preventing clogging. It is ideal for production tapping in steel, stainless steel, and aluminum, commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG Spiral Point Tap 1594201?
The OSG Spiral Point Tap 1594201 has a thread size of 7/16"-20 UNF, a 2B+ tolerance class, 3 flutes, a plug chamfer, and a black oxide high-speed steel finish. The 2B+ tolerance provides a slightly oversized thread for improved fit in certain applications. The manufacturer part number is 1594201.
Where to buy the OSG Spiral Point Tap 1594201 worldwide?
You can source the OSG Spiral Point Tap 1594201 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time on this OSG tap.
How to select the correct OSG Spiral Point Tap for UNF threads?
To select the correct OSG spiral point tap for UNF threads, match the thread size (e.g., 7/16"-20 UNF) and tolerance class (e.g., 2B+) to your application. For through-holes, a plug chamfer is standard. OSG taps with black oxide coating reduce friction and improve wear resistance in ferrous materials.
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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.















