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OSG 31403301 Spiral-Point STI Tap - Spiral-Point STI Taps for Multiple Materials
OSGSpiral-Point STI Taps for Multiple Materials

OSG 31403301 Spiral-Point STI Tap

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 3G-OTH-284686) is a 3/4"-10 UNC spiral-point tap with H5 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31403301). Designed for threading multiple…

SKU 3G-OTH-284686

Brand
OSG
Item
31403301 Spiral-Point STI Tap
Part Number
31403301
Category
Spiral-Point STI Taps for Multiple Materials
Available to Order
Also known as:31403301OSG
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Technical Specifications

OSG
Manufacturer Part Number
31403301
Type
H5 / 2B-3B, Plug Chamfer
Flute
4
UNC
3/4"-10

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

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 3G-OTH-284686) is a 3/4"-10 UNC spiral-point tap with H5 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31403301). Designed for threading multiple materials, it supports screw thread insert installation. 3G Electric interprets your demand, sources this genuine OSG tap, and provides a quote with specialist support across 14 industrial departments.

Frequently Asked Questions

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

The OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer base materials.

What are the specifications of the OSG Screw Thread Insert STI Tap?

This OSG STI tap has a 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, 4 flutes, and a plug chamfer. It features a spiral-point design for efficient chip evacuation forward. The manufacturer part number is 31403301.

Where to buy the OSG Screw Thread Insert STI Tap worldwide?

You can source the OSG Screw Thread Insert STI Tap worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment distributor. Contact us for availability and lead time.

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

Select an OSG STI tap based on the insert's thread size and pitch, such as 3/4"-10 UNC. Ensure the tap tolerance matches the required thread class (e.g., H5 for 2B-3B). Use a spiral-point design for through-hole applications to push chips ahead and reduce breakage.

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

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