OSG Screw Thread Insert STI Tap: Thread Forming, 9/16"-18 UNF, H7 / 2B-3B
The OSG Screw Thread Insert STI Tap is a thread-forming tap for 9/16"-18 UNF applications, with an H7 / 2B-3B tolerance class and V Coated Cobalt construction (MPN 1626004108).
SKU 3G-OTH-403855
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Product Description
The OSG Screw Thread Insert STI Tap is a thread-forming tap for 9/16"-18 UNF applications, with an H7 / 2B-3B tolerance class and V Coated Cobalt construction (MPN 1626004108).
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 installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap 1626004108?
The OSG STI Tap 1626004108 is a thread-forming tap for 9/16"-18 UNF threads. It has a H7 / 2B-3B tolerance class and features a V coated cobalt construction for enhanced wear resistance and tool life. This tap is designed for use with screw thread inserts.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG Screw Thread Insert STI Tap MPN 1626004108.
How to select the correct OSG STI Tap for an application?
To select the correct OSG STI Tap, match the thread size and pitch to your insert requirements—here 9/16"-18 UNF. Ensure the tap tolerance class (H7 / 2B-3B) aligns with your desired thread fit. Use a thread-forming tap for ductile materials to avoid chip evacuation issues.
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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.













