OSG Spiral Flute Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (1/2"-13 UNC) is a bottoming-chamfer, 3-flute tap in H5 / 2B-3B tolerance, coated with V Coated Powdered Metal (MPN 1650512708). Designed for threading steel and stainless steel, it is one of…
SKU 3G-OTH-217866
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Product Description
The OSG Spiral Flute Tap (1/2"-13 UNC) is a bottoming-chamfer, 3-flute tap in H5 / 2B-3B tolerance, coated with V Coated Powdered Metal (MPN 1650512708). Designed for threading steel and stainless steel, it is one of thousands of industrial solutions 3G Electric sources and supports across 14 departments, with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is the OSG spiral flute tap 1/2"-13 UNC used for?
The OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging in deep or blind holes. The bottoming chamfer allows threading close to the hole bottom, making it ideal for automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap MPN 1650512708?
This OSG tap has a thread size of 1/2"-13 UNC, with an H5 tolerance for class 2B-3B fit. It features 3 flutes, a bottoming chamfer, and a V coating on powdered metal construction. The manufacturer part number is 1650512708. It is designed for threading blind holes in steel and stainless steel.
Where to buy OSG spiral flute taps worldwide?
You can source OSG spiral flute 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 this OSG tap model 1650512708.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, pitch, and hole type. For blind holes in steel, use a bottoming chamfer tap like this 1/2"-13 UNC model. The V coating reduces friction and extends tool life. Ensure the tap tolerance (H5) matches your required thread class (2B-3B). Consult OSG's technical data for material-specific recommendations.
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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.















