OSG Spiral Flute Tap: 1"-12 UNF, H4 / 2B-3B, 4 Flute
SKU 3G-OTH-229958
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Frequently Asked Questions
What is the OSG spiral flute tap used for?
The OSG spiral flute tap is used for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly applied in automotive, aerospace, and general manufacturing where precise internal threading is required.
What are the specifications of the OSG spiral flute tap MPN 2939601?
The OSG spiral flute tap MPN 2939601 has a thread size of 1"-12 UNF, with a tolerance class of H4 / 2B-3B. It features 4 flutes and a modified bottoming chamfer, making it suitable for threading blind holes. This tap is designed for general-purpose use in ferrous materials.
Where to buy OSG spiral flute taps worldwide?
You can source OSG spiral flute 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 spiral flute tap MPN 2939601.
How to select the correct OSG spiral flute tap for a job?
To select the correct OSG spiral flute tap, match the thread size and pitch (e.g., 1"-12 UNF) to your application. Choose a tolerance class like H4 / 2B-3B based on required fit. For blind holes, use a modified bottoming chamfer. Consider material hardness and tap coating for optimal performance.
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3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















