OSG Screw Thread Insert STI Tap: Spiral Fute, 7/16"-20 UNF, H4 / 2B-3B
SKU 3G-OTH-281121
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Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, replaceable threads are required in aluminum, steel, and cast iron.
What are the specifications of the OSG STI Tap 31501908?
The OSG STI Tap has a 7/16"-20 UNF thread size, H4 / 2B-3B tolerance, and 3 spiral flutes for chip evacuation. It is designed for multiple materials and is identified by manufacturer part number 31501908. The spiral flute design helps push chips forward in through-hole applications.
Where to buy OSG STI Tap 31501908 worldwide?
You can source the OSG STI Tap 31501908 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 OSG tap.
How to select the correct OSG STI tap for UNF threads?
Select an OSG STI tap based on the thread size and tolerance required. For a 7/16"-20 UNF thread, use a tap marked with the same size and a tolerance like H4 / 2B-3B to match the insert's pitch diameter. Ensure the tap has spiral flutes for through-hole applications to clear chips effectively.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
