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OSG 30103108 Spiral-Point STI Tap for Steel & Stainless Steel - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG 30103108 Spiral-Point STI Tap for Steel & Stainless Steel

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 30103108, MPN 30103108) is a spiral-point STI tap for steel and stainless steel, with a 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer.

SKU 3G-OTH-265387

Brand
OSG
Item
30103108 Spiral-Point STI Tap for Steel & Stainless Steel
Part Number
30103108
Category
Spiral-Point STI Taps for Steel & Stainless Steel
Available to Order
Also known as:30103108OSG
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Technical Specifications

OSG
Manufacturer Part Number
30103108
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
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 (SKU 30103108, MPN 30103108) is a spiral-point STI tap for steel and stainless steel, with a 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer.

Frequently Asked Questions

What is an OSG spiral-point STI tap used for?

An OSG spiral-point STI tap is used to cut internal threads in steel and stainless steel for screw thread inserts. It creates threads that accept helical coil inserts, commonly used in aerospace, automotive, and industrial maintenance to repair or strengthen threaded holes.

What are the specifications of the OSG 30103108 STI tap?

The OSG 30103108 is a spiral-point STI tap with 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading steel and stainless steel to accept screw thread inserts. The H3 pitch diameter tolerance ensures precise fit for insert installation.

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 30103108 spiral-point STI tap.

How to select the correct OSG STI tap for an application?

Select an OSG STI tap based on thread size, pitch, material, and tolerance. For steel or stainless steel, use a spiral-point design like the 30103108 for through holes. Match the tap's H3 / 2B-3B tolerance to the insert's requirements. Always verify the UNC thread size and chamfer type for your hole condition.

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 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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