OSG Screw Thread Insert STI Tap: Spiral Point, #6-40 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 30100308) is a #6-40 UNF, H3 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading steel and stainless steel. 3G Electric sources this genuine OSG tool…
SKU 3G-OTH-265355
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: Spiral Point (MPN 30100308) is a #6-40 UNF, H3 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading steel and stainless steel. 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads without replacing the parent component.
What are the specifications of the OSG STI Tap #6-40 UNF?
The OSG STI Tap has a #6-40 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for through-hole tapping in steel and stainless steel. The manufacturer part number is 30100308.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 30100308 tap.
How to select the correct OSG STI Tap for thread repair?
Select an OSG STI Tap based on the thread size and pitch of the insert you plan to install. For steel or stainless steel, choose a spiral-point tap for through holes. Verify the tap tolerance (e.g., H3 / 2B-3B) matches the required thread class. Always use proper cutting fluid.
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.
