OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-18 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (SKU 33ZK47, MPN 12602800) is a general-purpose STI tap with a straight flute design, sized 5/8"-18 UNF. It features an H3 / 2B-3B tolerance class, 4 flutes, and a bottoming…
SKU 3G-OTH-262043
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Product Description
The OSG Screw Thread Insert STI Tap (SKU 33ZK47, MPN 12602800) is a general-purpose STI tap with a straight flute design, sized 5/8"-18 UNF. It features an H3 / 2B-3B tolerance class, 4 flutes, and a bottoming chamfer for threading holes to accept screw thread inserts.
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 a workpiece before installing a helical coil thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap 12602800?
This OSG STI Tap has a UNF thread size of 5/8"-18, a tolerance class of H3 / 2B-3B, 4 flutes, and a bottoming chamfer. It is designed for general purpose tapping of screw thread insert holes. The manufacturer part number is 12602800.
Where to buy OSG STI Tap 12602800 worldwide?
You can source the OSG STI Tap 12602800 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 and other OSG cutting tools.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap that matches the thread insert's size and class. For a 5/8"-18 UNF insert, use a tap with the same thread designation and a tolerance like H3 / 2B-3B. Choose a bottoming chamfer for blind holes or a plug chamfer for through holes. Always verify the tap's flute count and material compatibility.
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Common applications for OSGOSG Products
3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
