OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (5/16"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance and a 2-flute design (MPN 1231200). 3G Electric…
SKU 3G-OTH-214177
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Point Tap (5/16"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance and a 2-flute design (MPN 1231200). 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls.
Frequently Asked Questions
What is the OSG spiral point tap 5/16-24 UNF used for?
This OSG spiral point tap is designed for threading through-holes in materials such as steel and aluminum. Its 2-flute design pushes chips forward, reducing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG 1231200 tap?
The OSG 1231200 is a 5/16-24 UNF spiral point tap with a H3 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is made from high-speed steel and is suitable for threading through-holes. The H3 tolerance ensures precise thread fit for class 2B and 3B applications.
Where to buy OSG taps in worldwide?
You can source OSG taps, including the 1231200 model, through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to worldwide destinations. Contact them for availability and lead times.
How to select the correct OSG tap for a job?
To select the correct OSG tap, match the thread size (e.g., 5/16-24 UNF) and tolerance class (H3 for 2B-3B fit) to your application. For through-holes, a spiral point tap like this OSG model is ideal. Consider material hardness and tap coating for extended tool life.
Used in
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.















