OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-20 UNF, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 30102501) is a spiral-point STI tap for steel and stainless steel, with a 1/2"-20 UNF thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric…
SKU 3G-OTH-265448
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: Spiral Point (MPN 30102501) is a spiral-point STI tap for steel and stainless steel, with a 1/2"-20 UNF thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets this demand and sources the genuine OSG tap, backed by specialist expertise across 14 industrial departments.
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 steel and stainless steel for installing screw thread inserts. It is commonly applied in automotive, aerospace, and general manufacturing where strong, wear-resistant threads are required in softer base materials.
What are the specifications of the OSG STI Tap 30102501?
This OSG STI Tap has a 1/2"-20 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for steel and stainless steel. The manufacturer part number is 30102501. It is designed for use with screw thread inserts.
Where to buy the OSG STI Tap 30102501 worldwide?
You can source the OSG STI Tap 30102501 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 on this OSG tap.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap based on the insert's thread size and pitch, such as 1/2"-20 UNF. Ensure the tap tolerance (e.g., H4 / 2B-3B) matches the required class of fit. Use a spiral-point design for through-hole applications in steel or stainless steel to push chips ahead.
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.
