OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-14 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 7/16"-14 UNC with H4 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31401701).
SKU 3G-OTH-284715
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 spiral-point tap for multiple materials, specified as 7/16"-14 UNC with H4 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31401701).
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for cutting internal threads in multiple materials before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where thread repair or reinforcement is required.
What are the specifications of the OSG 31401701 STI Tap?
The OSG 31401701 is a spiral-point STI tap with a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will accept screw thread inserts in various materials.
Where to buy the OSG 31401701 STI Tap worldwide?
You can source the OSG 31401701 STI Tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your threading application.
How to select the correct OSG STI tap for a thread insert?
Select an STI tap based on the thread insert's size and pitch, matching the tap's designation (e.g., 7/16"-14 UNC) to the insert. The H4 tolerance ensures proper fit for 2B-3B class threads. Always verify the tap's chamfer type and flute count suit your material and hole configuration.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
