OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1231001) is a general-purpose spiral-point tap with an H3 / 2B-3B tolerance, 3-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric…
SKU 3G-OTH-216160
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Product Description
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1231001) is a general-purpose spiral-point tap with an H3 / 2B-3B tolerance, 3-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in machining and controls.
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 spiral point design pushes chips forward, reducing chip clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.
What are the specifications of the OSG 1231001 tap?
The OSG 1231001 is a 5/16-18 UNC spiral point tap with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from black oxide high-speed steel. This general-purpose tap is designed for threading through holes and blind holes in a variety of materials.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1231001 spiral point tap.
How to select the correct OSG tap for threading?
Select an OSG tap based on thread size, pitch, and material. For 5/16-18 UNC threads in steel or aluminum, a spiral point tap with H3 tolerance works well. Ensure the tap chamfer matches the hole type: plug chamfer for through holes. Always use proper cutting fluid and tap drill size.
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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.















