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OSG Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Aluminum
OSGSpiral-Point STI Taps for Aluminum

OSG Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 1103600408) is a #8-32 UNC, H3 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading aluminum. 3G Electric interprets your demand for this…

SKU 3G-OTH-250421

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H3 / 2B-3B, 3 Flute
Part Number
1103600408
Category
Spiral-Point STI Taps for Aluminum
Available to Order
Also known as:1103600408OSG
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Technical Specifications

OSG
Manufacturer Part Number
1103600408
Type
#8-32 UNC, H3 / 2B-3B, Plug Chamfer
Flute
3

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

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 1103600408) is a #8-32 UNC, H3 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading aluminum. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in cutting tools and controls to support your sourcing needs.

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 aluminum and other non-ferrous materials for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are needed in softer base materials.

What are the specifications of the OSG #8-32 UNC STI Tap?

This OSG STI tap has a #8-32 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for spiral-point cutting in aluminum. The manufacturer part number is 1103600408. OSG is the OEM brand for this precision threading tool.

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 #8-32 UNC STI tap (MPN 1103600408).

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread insert size and class, such as #8-32 UNC with H3 / 2B-3B tolerance. For aluminum, choose a spiral-point design with 3 flutes and a plug chamfer. OSG taps are a reliable choice. Always verify the tap matches the insert manufacturer's recommendations.

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 aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This spiral-point STI tap is designed for cutting internal threads in aluminum and non-ferrous materials prior to installing screw thread inserts. It features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for applications requiring thread reinforcement or repair in general manufacturing

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