OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 7/16"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31401801). 3G Electric interprets this demand…
SKU 3G-OTH-284677
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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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"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31401801). 3G Electric interprets this demand and sources the genuine OSG product, supporting your threading operations across 14 industrial departments.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials for accepting screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed. The spiral-point design pushes chips forward, enabling efficient through-hole tapping.
What are the specifications of the OSG STI Tap 31401801?
The OSG STI Tap 31401801 has a thread size of 7/16"-20 UNF, a thread limit of H3 / 2B-3B, 3 flutes, and a plug chamfer. It is a spiral-point tap designed for multiple materials. The manufacturer part number is 31401801, and it is suitable for tapping holes that will receive screw thread inserts.
Where to buy OSG STI Tap 31401801 worldwide?
You can source the OSG STI Tap 31401801 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; we provide reliable sourcing for this spiral-point STI tap.
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., 7/16"-20 UNF) to the insert requirements. Verify the thread limit class (H3 / 2B-3B) ensures proper fit. Choose a spiral-point design for through holes or spiral flute for blind holes. Always refer to the insert manufacturer's specifications for tap size.
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.
