OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-9 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/8"-9 UNC with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103908). 3G Electric sources this…
SKU 3G-OTH-265418
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 for steel and stainless steel, specified as 7/8"-9 UNC with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103908). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in cutting tools and precision threading.
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?
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 30103908 STI tap?
The OSG 30103908 is a spiral-point STI tap with a 7/8"-9 UNC thread size, H3 / 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 taps in worldwide?
You can source the OSG 30103908 STI tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your manufacturing operations.
How to select the correct STI tap for thread inserts?
Select an STI tap that matches the insert's thread size and pitch, such as 7/8"-9 UNC. Ensure the tap tolerance (e.g., H3) aligns with the required class of fit (2B-3B). OSG taps are engineered for steel and stainless steel; use appropriate cutting fluid and speed for best results.
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.
