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OSG 7/16"-20 UNF Spiral-Point STI Tap for Aluminum - Spiral-Point STI Taps for Aluminum
OSGSpiral-Point STI Taps for Aluminum

OSG 7/16"-20 UNF Spiral-Point STI Tap for Aluminum

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for aluminum, with a 7/16"-20 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103601200).

SKU 3G-OTH-250401

Brand
OSG
Item
7/16"-20 UNF Spiral-Point STI Tap for Aluminum
Part Number
1103601200
Category
Spiral-Point STI Taps for Aluminum
Available to Order
Also known as:1103601200OSG
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Technical Specifications

OSG
Manufacturer Part Number
1103601200
Type
H4 / 2B-3B, Plug Chamfer
Flute
3
UNF
7/16"-20

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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 aluminum, with a 7/16"-20 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103601200).

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 aluminum for screw thread inserts. It is designed for through-hole applications, with a plug chamfer and three flutes that push chips forward, reducing clogging and improving thread quality in softer materials.

What are the specifications of the OSG 7/16"-20 UNF STI tap?

This OSG STI tap has a 7/16"-20 UNF thread size, H4 / 2B-3B tolerance, three flutes, and a spiral-point design with plug chamfer. It is intended for threading holes that will accept screw thread inserts in aluminum. The manufacturer part number is 1103601200.

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 this OSG spiral-point STI tap.

How to select the correct STI tap for aluminum?

Select an STI tap with a spiral-point design for through holes in aluminum, as it pushes chips forward. Ensure the thread size matches the insert (e.g., 7/16"-20 UNF) and the tolerance class (H4 / 2B-3B) fits your application. OSG taps are a reliable choice for consistent thread quality.

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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