OSG Extension Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute
SKU 3G-OTH-313186
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Frequently Asked Questions
What is the OSG #4-40 UNC extension tap used for?
The OSG #4-40 UNC extension tap is designed for threading blind or deep holes in steel and stainless steel. Its spiral-point design pushes chips forward, reducing clogging in demanding applications. The H2 / 2B-3B tolerance ensures precise thread fit for critical assemblies.
What are the specifications of the OSG 1766201 extension tap?
The OSG 1766201 is a #4-40 UNC spiral-point extension tap with a plug chamfer and 2 flutes. It has an H2 / 2B-3B thread tolerance class, making it suitable for steel and stainless steel. The extension design allows threading in hard-to-reach locations.
Where to buy the OSG 1766201 extension tap worldwide?
You can source the OSG 1766201 extension tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this precision threading tool.
How to select the correct OSG extension tap for steel?
For steel and stainless steel, choose an OSG spiral-point extension tap with the correct thread size and tolerance. The #4-40 UNC with H2 / 2B-3B class provides a balanced fit for general threading. Ensure the tap's flute count and chamfer match your hole depth and material hardness.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
