OSG 1/2"-13 UNC Spiral-Point Extension Tap
The OSG Extension Tap (1/2"-13 UNC) is a spiral-point extension tap for multiple materials, featuring a H5 / 2B-3B tolerance, plug chamfer, V Coated Powdered Metal construction, and 3 flutes (MPN 1653503708). 3G…
SKU 3G-OTH-402400
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 (1/2"-13 UNC) is a spiral-point extension tap for multiple materials, featuring a H5 / 2B-3B tolerance, plug chamfer, V Coated Powdered Metal construction, and 3 flutes (MPN 1653503708). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate specification and support.
Frequently Asked Questions
What is the OSG extension tap used for?
The OSG extension tap is used for threading blind or deep holes in multiple materials. Its extended reach allows access to recessed areas where standard taps cannot reach, making it ideal for automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG extension tap?
This OSG extension tap has a 1/2"-13 UNC thread size, H5 / 2B-3B tolerance, 3 flutes, plug chamfer, and V coated powdered metal construction. The manufacturer part number is 1653503708. It is designed for threading multiple materials with improved wear resistance.
Where to buy the OSG extension tap worldwide?
You can source the OSG extension tap worldwide through 3G Electric. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG extension tap for my application?
Select the OSG extension tap based on thread size, tolerance, and material. For a 1/2"-13 UNC thread with a 2B-3B fit, use this H5 tap. The plug chamfer suits blind holes, while the V coated powdered metal provides durability in harder materials. Confirm hole depth matches the extension length.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
