OSG Spiral Point Tap: 1/2"-20 UNF, H8 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (1/2"-20 UNF) is a spiral-point tap for aerospace materials, featuring a TiN coated cobalt construction with a plug chamfer, 3 flutes, and H8 / 2B-3B tolerance (MPN 1101505305).
SKU 3G-OTH-232121
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Product Description
The OSG Spiral Point Tap (1/2"-20 UNF) is a spiral-point tap for aerospace materials, featuring a TiN coated cobalt construction with a plug chamfer, 3 flutes, and H8 / 2B-3B tolerance (MPN 1101505305).
Frequently Asked Questions
What is the OSG spiral point tap 1/2-20 UNF used for?
This OSG spiral point tap is designed for threading aerospace materials. Its 1/2-20 UNF size and plug chamfer make it suitable for through-hole tapping in high-strength alloys, producing threads to H8 / 2B-3B tolerance. The TiN-coated cobalt construction provides wear resistance in demanding applications.
What are the specifications of the OSG spiral point tap MPN 1101505305?
The OSG spiral point tap has a 1/2-20 UNF thread size, 3-flute design, plug chamfer, and TiN coating on cobalt steel. It is rated H8 / 2B-3B tolerance. The manufacturer part number is 1101505305. This tap is intended for threading aerospace-grade materials.
Where to buy OSG spiral point taps worldwide?
3G Electric supplies OSG spiral point taps worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the OSG 1/2-20 UNF tap MPN 1101505305 for your aerospace threading needs.
How to select the correct OSG tap for aerospace materials?
Select an OSG tap based on thread size, tolerance class, and material. For aerospace alloys, choose a spiral point tap with TiN coating and cobalt substrate for heat resistance. Verify the H8 / 2B-3B tolerance matches your thread class. Consult OSG's technical data for optimal speeds and feeds.
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3G Electric supplies OSG spiral-point taps for aerospace materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















