OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-20 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading multiple materials, featuring a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31402201).
SKU 3G-OTH-284684
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 designed for threading multiple materials, featuring a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31402201).
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG 31402201 STI Tap?
The OSG 31402201 STI Tap has a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a spiral-point design with plug chamfer. It is a spiral-point STI tap for multiple materials, manufactured by OSG.
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, ensuring reliable supply for your manufacturing needs.
How to select the correct OSG STI Tap for thread inserts?
To select the correct OSG STI Tap, match the thread size and pitch (e.g., 1/2"-20 UNF) to your insert requirements. Verify the tolerance class (H3 / 2B-3B) and choose a spiral-point design for through-hole applications. Consult OSG's technical data for material compatibility.
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.
