OSG Thread-Forming STI Tap, 5/8"-18 UNF, H7 / 2B-3B, Modified Bottoming Chamfer
The OSG Screw Thread Insert STI Tap is a thread-forming tap for 5/8"-18 UNF threads, with an H7 / 2B-3B tolerance class and a modified bottoming chamfer. 3G Electric sources this and other precision tooling across 14…
SKU 3G-OTH-403856
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap is a thread-forming tap for 5/8"-18 UNF threads, with an H7 / 2B-3B tolerance class and a modified bottoming chamfer. 3G Electric sources this and other precision tooling across 14 industrial departments, with specialist expertise in combustion, pumps, and controls to ensure you get the right solution.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to form internal threads in pre-drilled holes for accepting helical wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce threads in aluminum, steel, and other materials.
What are the specifications of the OSG STI Tap 5/8"-18 UNF?
This OSG STI Tap has a thread size of 5/8"-18 UNF, a thread tolerance of H7 / 2B-3B, and a modified bottoming chamfer. It is a thread-forming tap designed for use with screw thread inserts. The manufacturer part number is 1626004508.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps 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 threading tools.
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's specifications. For this tap, use a 5/8"-18 UNF insert. Ensure the tap's tolerance class (H7 / 2B-3B) aligns with the required thread fit. Always follow the insert manufacturer's drill size and depth recommendations.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG thread-forming sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
