OSG Extension Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Extension Tap (MPN 1299100) is a 1/2"-13 UNC spiral-flute extension tap, type H3 / 2B-3B, with a bottoming chamfer, 3 flutes, and made of high-speed steel. 3G Electric interprets your demand for this…
SKU 3G-OTH-310961
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Extension Tap (MPN 1299100) is a 1/2"-13 UNC spiral-flute extension tap, type H3 / 2B-3B, with a bottoming chamfer, 3 flutes, and made of high-speed steel. 3G Electric interprets your demand for this precision threading tool, sourcing it from OSG and supporting your industrial operations across 14 departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the OSG Extension Tap 1/2"-13 UNC used for?
The OSG Extension Tap is used for threading blind holes in hard-to-reach areas, such as deep bores or recessed surfaces. Its extended length and spiral-flute design efficiently evacuate chips, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise UNC threads.
What are the specifications of the OSG Extension Tap MPN 1299100?
The OSG Extension Tap MPN 1299100 has a 1/2"-13 UNC thread size, H3 / 2B-3B tolerance, 3-flute design, and bottoming chamfer. It is made from high-speed steel (HSS) and is classified as a spiral-flute extension tap, suitable for threading blind holes in steel and other materials.
Where to buy the OSG Extension Tap 1/2"-13 UNC worldwide?
You can source the OSG Extension Tap 1/2"-13 UNC 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 this OSG tap.
How to select the correct OSG extension tap for threading?
To select the correct OSG extension tap, match the thread size (e.g., 1/2"-13 UNC), chamfer type (bottoming for blind holes), and flute count (3-flute for chip evacuation). Ensure the tap's H3 / 2B-3B tolerance aligns with your required thread class. Consult OSG's technical data for material compatibility.
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3G Electric supplies OSG spiral-flute extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
