OSG Screw Thread Insert STI Tap: Spiral Point, 1"-8 UNC, H4 / 2B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 1"-8 UNC, H4 / 2B tolerance, with a 3-flute, plug chamfer design (MPN 30104401). 3G Electric interprets this…
SKU 3G-OTH-265443
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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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"-8 UNC, H4 / 2B tolerance, with a 3-flute, plug chamfer design (MPN 30104401). 3G Electric interprets this demand and sources the genuine OSG tool, supporting your threading operations across 14 industrial departments with specialist depth in cutting tools and controls.
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 Screw Thread Insert STI Tap?
The OSG STI tap has a UNC thread size of 1"-8, with an H4 / 2B tolerance class and a plug chamfer. It features 3 flutes and a spiral-point design for efficient chip evacuation. The manufacturer part number is 30104401.
Where to buy the OSG Screw Thread Insert STI Tap worldwide?
You can source the OSG Screw Thread Insert STI Tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading needs.
How to select the correct OSG STI tap for steel?
Select an OSG STI tap based on thread size, material, and tolerance. For steel and stainless steel, a spiral-point design with a plug chamfer is recommended. Ensure the tap matches the insert's thread class (e.g., H4 / 2B) and use proper cutting fluid to extend tool life.
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.
