OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-315337
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG extension tap 1768501 used for?
The OSG extension tap 1768501 is designed for threading blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, preventing clogging, while the extended length allows access to deep or recessed areas. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG extension tap 1768501?
This OSG extension tap has a thread size of 5/16"-18 UNC, with a H3 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The spiral-flute design is optimized for steel and stainless steel workpieces.
Where to buy the OSG extension tap 1768501 worldwide?
You can source the OSG extension tap 1768501 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; we supply genuine OSG tooling for your manufacturing needs.
How to select the correct OSG extension tap for steel?
Select an OSG extension tap based on thread size, pitch, and material. For steel and stainless steel, use a spiral-flute design like the 1768501 to clear chips from blind holes. Ensure the chamfer type (e.g., modified bottoming) matches your hole depth. Always match the tap tolerance (H3) to the required thread class (2B or 3B).
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute 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.
