OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (Straight Flute) is a general-purpose STI tap for 1/2"-20 UNF threads, with H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 12601300). 3G Electric interprets this demand…
SKU 3G-OTH-262137
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Screw Thread Insert STI Tap (Straight Flute) is a general-purpose STI tap for 1/2"-20 UNF threads, with H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 12601300). 3G Electric interprets this demand and delivers the exact OEM-specified tool, backed by specialist sourcing across 14 industrial departments.
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 pre-drilled hole before installing a helical wire thread insert. It is commonly applied in industrial maintenance, automotive repair, and aerospace manufacturing to restore or reinforce stripped threads in metal components.
What are the specifications of the OSG STI Tap 12601300?
The OSG STI Tap 12601300 is a general-purpose tap with a 1/2"-20 UNF thread, H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is designed for straight flute operation and is used to prepare holes for screw thread inserts. The manufacturer part number is 12601300.
Where to buy OSG STI Tap 12601300 worldwide?
You can source the OSG STI Tap 12601300 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 this tap to procurement teams and maintenance engineers globally.
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 install. For example, the 12601300 is for 1/2"-20 UNF inserts. Verify the tap tolerance (H4 / 2B-3B) matches your required thread class. Always use a tap drill size recommended by OSG for the specific insert.
Used in
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.
