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OSG Screw Thread Insert STI Tap: Straight Fute, #8-32 UNC, H3 / 2B-3B, 3 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

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

The OSG Screw Thread Insert STI Tap: Straight Flute is a general-purpose STI tap for #8-32 UNC threads, with an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1810800).

SKU 3G-OTH-262001

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, #8-32 UNC, H3 / 2B-3B, 3 Flute
Part Number
1810800
Category
General Purpose STI Taps
Available to Order
Also known as:1810800OSG
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Technical Specifications

OSG
Manufacturer Part Number
1810800
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: Straight Flute is a general-purpose STI tap for #8-32 UNC threads, with an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1810800).

Frequently Asked Questions

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

An OSG STI tap cuts internal threads in pre-drilled holes to accept helical wire thread inserts. It is used in metalworking and maintenance to repair or reinforce threads in aluminum, cast iron, and steel components across industrial applications.

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

This OSG STI tap is #8-32 UNC size with H3 / 2B-3B thread class, 3 straight flutes, and a plug chamfer. It is designed for general-purpose thread repair and reinforcement in materials up to 850 °C operating environments.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI taps worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this #8-32 UNC plug chamfer tap.

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

Select an STI tap that matches the original thread size and pitch, such as #8-32 UNC. The tap must be H3 tolerance for 2B-3B fit. Always drill the recommended hole diameter for the insert before tapping to ensure proper thread engagement.

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

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