OSG Straight Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer
SKU 3G-OTH-221666
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Frequently Asked Questions
What is the OSG 1122505 straight flute tap used for?
The OSG 1122505 is a general-purpose hand tap for cutting internal threads in metal. Its 1/2"-13 UNC size, plug chamfer, and TiN coating suit it for through-hole and blind-hole threading in steel, aluminum, and alloys across machining and maintenance applications.
What are the specifications of the OSG 1122505 tap?
This OSG tap has a 1/2"-13 UNC thread, H3 / 2B-3B tolerance, 4 flutes, plug chamfer, and TiN-coated high-speed steel construction. The manufacturer part number is 1122505. It is designed for general-purpose hand tapping in ferrous and non-ferrous materials.
Where to buy the OSG 1122505 tap worldwide?
3G Electric supplies the OSG 1122505 straight flute tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG cutting tools.
How to select the correct tap for a 1/2"-13 UNC thread?
For a 1/2"-13 UNC thread, choose a tap with matching thread size and pitch, like the OSG 1122505. Consider chamfer type: plug for general use, taper for starting, or bottoming for blind holes. Coating (e.g., TiN) improves wear resistance in harder materials.
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3G Electric supplies OSG general purpose hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















