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OSG Screw Thread Insert STI Tap: Spiral Point, #6-40 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

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 (SKU 3G-OTH-265475, MPN 30100301) is a #6-40 UNF, H3 / 2B-3B, 3-flute, plug-chamfer tap designed for threading steel and stainless steel. 3G Electric interprets your…

SKU 3G-OTH-265475

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #6-40 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps for Steel & Stainless Steel
Available to Order
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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

Technical Specifications

OSG
Manufacturer Part Number
30100301
Type
#6-40 UNF, H3 / 2B-3B, Plug Chamfer
Flute
3

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 3G-OTH-265475, MPN 30100301) is a #6-40 UNF, H3 / 2B-3B, 3-flute, plug-chamfer tap designed for threading steel and stainless steel. 3G Electric interprets your demand for this specific OSG tap, sourcing it across our global network and supporting your application with specialist depth in industrial tooling.

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 #6-40 UNF STI Tap?

The OSG STI Tap has a #6-40 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for spiral-point cutting in steel and stainless steel. The manufacturer part number is 30100301. This tap is suitable for creating threads that accept standard 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 on the OSG #6-40 UNF STI Tap (MPN 30100301).

How to select the correct OSG STI Tap for steel?

To select the correct OSG STI Tap for steel, match the thread size (e.g., #6-40 UNF), tolerance class (H3 / 2B-3B), and chamfer type (plug) to your insert specifications. Use a spiral-point design for through-hole threading in steel and stainless steel. OSG taps are precision-ground for consistent thread quality.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG 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.

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