OSG Spiral Flute Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/2"-13 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704901). 3G Electric interprets this…
SKU 3G-OTH-219130
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (1/2"-13 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704901). 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorized distributor.
Frequently Asked Questions
What is the OSG spiral flute tap 1704901 used for?
The OSG spiral flute tap 1704901 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging, making it ideal for automotive, aerospace, and general manufacturing applications where clean, accurate threads are required.
What are the specifications of the OSG spiral flute tap 1704901?
The OSG spiral flute tap 1704901 has a 1/2"-13 UNC thread size, H5 tolerance for 2B/3B fit classes, 3 flutes, and a modified bottoming chamfer. It is designed for steel and stainless steel. The manufacturer part number is 1704901.
Where to buy OSG spiral flute tap 1704901 worldwide?
You can source the OSG spiral flute tap 1704901 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with a modified bottoming chamfer for blind holes. Ensure the tap tolerance (e.g., H5) matches the required thread class (2B/3B). Always match the tap to the hole depth and chip evacuation needs.
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.















