OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-13 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading steel and stainless steel. This 1/2"-13 UNC tap features an H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30102301).
SKU 3G-OTH-265453
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading steel and stainless steel. This 1/2"-13 UNC tap features an H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30102301).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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.
What are the specifications of the OSG 30102301 STI Tap?
The OSG 30102301 STI Tap is a spiral-point tap with a 1/2"-13 UNC thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for tapping holes in steel and stainless steel to accept screw thread inserts.
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. Contact us for availability and lead time.
How to select the correct OSG STI Tap for a thread insert?
Select an OSG STI Tap that matches the thread size and pitch of the insert, such as 1/2"-13 UNC. Ensure the tap tolerance (e.g., H4 / 2B-3B) aligns with the required class of fit. Use a plug chamfer for through holes and spiral-point design for chip evacuation in steel.
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.
