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OSG 5/8"-11 UNC Spiral-Point STI Tap, H4 / 2B-3B, Plug Chamfer, 4 Flute - Spiral-Point STI Taps for Multiple Materials
OSGSpiral-Point STI Taps for Multiple Materials

OSG 5/8"-11 UNC Spiral-Point STI Tap, H4 / 2B-3B, Plug Chamfer, 4 Flute

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31402908) is a 5/8"-11 UNC, H4 / 2B-3B, 4-flute, plug-chamfer tap designed for threading holes to accept screw thread inserts. 3G Electric interprets your demand…

SKU 3G-OTH-284724

Brand
OSG
Item
5/8"-11 UNC Spiral-Point STI Tap, H4 / 2B-3B, Plug Chamfer, 4 Flute
Part Number
31402908
Category
Spiral-Point STI Taps for Multiple Materials
Available to Order
Also known as:31402908OSG
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Technical Specifications

OSG
Manufacturer Part Number
31402908
Type
H4 / 2B-3B, Plug Chamfer
Flute
4
UNC
5/8"-11

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

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31402908) is a 5/8"-11 UNC, H4 / 2B-3B, 4-flute, plug-chamfer tap designed for threading holes to accept screw thread inserts. 3G Electric interprets your demand for this specific OSG tap, sources it across 14 industrial departments, and supports with specialist depth in cutting tools and controls.

Frequently Asked Questions

What is an OSG Screw Thread Insert STI Tap used for?

An OSG Screw Thread Insert STI Tap cuts internal threads in multiple materials to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.

What are the specifications of the OSG STI Tap 5/8"-11 UNC?

This OSG spiral-point STI tap has a 5/8"-11 UNC thread, H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is designed for through-hole tapping in multiple materials. The manufacturer part number is 31402908.

Where to buy OSG STI Tap 5/8"-11 UNC worldwide?

3G Electric supplies and delivers the OSG STI Tap 5/8"-11 UNC (MPN 31402908) worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this precision threading tool.

How to select the correct STI tap size for thread inserts?

Select an STI tap that matches the thread insert's nominal size and pitch, such as 5/8"-11 UNC. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert's internal thread class. Always verify the manufacturer's recommendation for material and hole type.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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OSG Products

3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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