OSG Screw Thread Insert STI Tap: Straight Fute, 1"-12 UNF, H6, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 12605400) is a general-purpose STI tap with a straight flute design, sized 1"-12 UNF. It features an H6 tolerance, 4 flutes, and a bottoming chamfer, making it suitable for…
SKU 3G-OTH-262018
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 12605400) is a general-purpose STI tap with a straight flute design, sized 1"-12 UNF. It features an H6 tolerance, 4 flutes, and a bottoming chamfer, making it suitable for threading applications requiring screw thread inserts.
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 to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap MPN 12605400?
The OSG STI Tap MPN 12605400 is a general purpose tap with a 1"-12 UNF thread size, H6 tolerance, 4 flutes, and a bottoming chamfer. It has a straight flute design and is made for screw thread insert (STI) applications. The manufacturer part number is 12605400.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps like MPN 12605400 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 item.
How to select the correct OSG STI Tap for a thread repair job?
To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert you plan to use. For example, a 1"-12 UNF tap works with a 1"-12 UNF insert. Also choose the chamfer type: bottoming for blind holes, plug or taper for through holes. Always verify the tap's tolerance class (e.g., H6) matches your application.
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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.















