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OSG Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H2 / 2B-3B, 2 Flute - Spiral-Point STI Taps
OSGSpiral-Point STI Taps

OSG Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H2 / 2B-3B, 2 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for #8-32 UNC threads, featuring a H2 / 2B-3B tolerance and a plug chamfer. This 2-flute tap (MPN 1825200) is engineered for threading holes that…

SKU 3G-OTH-287002

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H2 / 2B-3B, 2 Flute
Category
Spiral-Point STI Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

OSG
Manufacturer Part Number
1825200
Type
#8-32 UNC, H2 / 2B-3B, Plug Chamfer
Flute
2

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

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for #8-32 UNC threads, featuring a H2 / 2B-3B tolerance and a plug chamfer. This 2-flute tap (MPN 1825200) is engineered for threading holes that will accept screw thread inserts.

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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce threads in aluminum, cast iron, and steel components.

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

The OSG STI Tap (MPN 1825200) is a spiral-point, plug-chamfer tap for #8-32 UNC threads. It has 2 flutes, a H2 / 2B-3B tolerance class, and is designed for through-hole tapping. The spiral-point design pushes chips forward, reducing clogging in production environments.

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 facility. Contact us for availability and lead time on the OSG #8-32 UNC STI Tap (MPN 1825200).

How to select the correct OSG STI Tap for thread inserts?

Select an OSG STI Tap based on the thread size and pitch of the insert, such as #8-32 UNC. Ensure the tap has the correct tolerance (H2 / 2B-3B) for the insert class. Use a spiral-point design for through holes and a spiral-flute design for blind holes. Always match the tap to the insert manufacturer's specifications.

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

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OSG Screw Thread Insert STI Tap: Spiral Point, #10-24 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1825600)
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OSG Screw Thread Insert STI Tap: Spiral Point, #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1830400)

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