OSG Screw Thread Insert STI Tap: Spiral Fute, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes to accept screw thread inserts. This 5/8"-11 UNC tap features an H4 / 2B-3B tolerance class, a bottoming chamfer, and 4 flutes…
SKU 3G-OTH-273405
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes to accept screw thread inserts. This 5/8"-11 UNC tap features an H4 / 2B-3B tolerance class, a bottoming chamfer, and 4 flutes (MPN 10801300).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to cut internal threads in a workpiece before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG 10801300 STI Tap?
The OSG 10801300 is a spiral-flute STI tap with a 5/8"-11 UNC thread, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for threading holes that will accept screw thread inserts.
Where to buy OSG STI taps in worldwide?
3G Electric supplies OSG STI taps worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the OSG 10801300 or other thread insert taps.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread size and pitch of the insert, such as 5/8"-11 UNC. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert manufacturer's recommendation. Always verify the insert's drill and tap size chart.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















