OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-20 UNC, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 1/4"-20 UNC with an H2 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 30100701). 3G Electric interprets…
SKU 3G-OTH-265459
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 steel and stainless steel, specified as 1/4"-20 UNC with an H2 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 30100701). 3G Electric interprets this demand and sources the exact OEM part, backed by specialist expertise in cutting tools across 14 industrial departments.
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 steel and stainless steel before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where strong, wear-resistant threads are required.
What are the specifications of the OSG 30100701 STI tap?
The OSG 30100701 is a spiral-point STI tap with a 1/4"-20 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for tapping steel and stainless steel to accept screw thread inserts.
Where to buy OSG STI taps worldwide?
3G Electric supplies OSG STI taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 30100701 tap.
How to select the correct STI tap for a 1/4"-20 UNC insert?
For a 1/4"-20 UNC screw thread insert, use an STI tap with the same thread size and pitch, such as the OSG 30100701. Ensure the tap has the correct tolerance (H2 / 2B-3B) and chamfer type (plug) for your material and thread depth requirements.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
