OSG Spiral Flute Tap: 5/16"-24 UNF, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704108). 3G Electric interprets this…
SKU 3G-OTH-217835
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Product Description
The OSG Spiral Flute Tap (5/16"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704108). 3G Electric interprets this demand and sources the genuine OSG product, backed by our specialist expertise across 14 industrial departments.
Frequently Asked Questions
What is the OSG spiral flute tap 1704108 used for?
The OSG spiral flute tap 1704108 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 5/16-24 UNF?
This OSG tap has a 5/16-24 UNF thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a modified bottoming chamfer. The MPN is 1704108. It is designed for threading blind holes in steel and stainless steel 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 spiral flute tap 1704108.
How to select the correct OSG tap for stainless steel?
For stainless steel, select a spiral flute tap like the OSG 1704108 to manage chip evacuation in blind holes. Ensure the tap has a modified bottoming chamfer for threading to the bottom. Match thread size (e.g., 5/16-24 UNF) and tolerance (H5) to your application requirements.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














