OSG Screw Thread Insert STI Tap: Thread Forming, 7/16"-20 UNF, H7 / 2B-3B
The OSG Screw Thread Insert STI Tap is a thread-forming tap for 7/16"-20 UNF applications, with H7 / 2B-3B tolerance and V Coated Cobalt construction (MPN 1626003408). 3G Electric sources this specialist tool across…
SKU 3G-OTH-403922
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 7/16"-20 UNF applications, with H7 / 2B-3B tolerance and V Coated Cobalt construction (MPN 1626003408). 3G Electric sources this specialist tool across 14 industrial departments, with deep expertise in combustion, pumps and controls as an authorised distributor.
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 7/16"-20 UNF?
This OSG STI Tap has a thread size of 7/16"-20 UNF with a thread tolerance of H7 / 2B-3B. It is a thread-forming tap made from V coated cobalt, designed for use with screw thread inserts. The manufacturer part number is 1626003408.
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 this and other OSG cutting tools.
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 the insert requirements. For this tap, use 7/16"-20 UNF with H7 / 2B-3B tolerance. Ensure the tap is suitable for the material being threaded; cobalt V coated taps work well in harder materials. Always follow manufacturer guidelines for hole size and lubrication.
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.
