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 1231000) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 3 flutes and is specified as H3 / 2B-3B for thread class tolerance.
SKU 3G-OTH-214843
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Product Description
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1231000) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 3 flutes and is specified as H3 / 2B-3B for thread class tolerance.
Frequently Asked Questions
What is the OSG spiral point tap 5/16-18 UNC used for?
The 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 and tap breakage. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.
What are the specifications of the OSG tap MPN 1231000?
The OSG tap MPN 1231000 is a 5/16-18 UNC spiral point tap with H3 / 2B-3B thread tolerance. It has 3 flutes, a plug chamfer, and is made from high-speed steel. This general-purpose tap is designed for threading through holes and provides good chip evacuation in production environments.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral point tap MPN 1231000.
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, spiral point taps are ideal. Ensure the tap's tolerance class (H3 / 2B-3B) matches your required thread fit. Consult OSG's technical data for recommended speeds and feeds.
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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.















