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OSG 3/8"-24 UNF Spiral-Point STI Tap for Aluminum - Spiral-Point STI Taps for Aluminum
OSGSpiral-Point STI Taps for Aluminum

OSG 3/8"-24 UNF Spiral-Point STI Tap for Aluminum

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading aluminum. It features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103601108). 3G Electric…

SKU 3G-OTH-250411

Brand
OSG
Item
3/8"-24 UNF Spiral-Point STI Tap for Aluminum
Part Number
1103601108
Category
Spiral-Point STI Taps for Aluminum
Available to Order
Also known as:1103601108OSG
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1103601108
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
UNF
3/8"-24

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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 threading aluminum. It features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103601108). 3G Electric interprets your demand for this OEM-specified tool and delivers it with specialist sourcing support across 14 industrial departments.

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 aluminum and other materials before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.

What are the specifications of the OSG 3/8"-24 UNF STI Tap?

This OSG STI tap has a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for aluminum, with manufacturer part number 1103601108. The H3 / 2B-3B specification ensures precise thread fit for insert installation.

Where to buy OSG STI taps in 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 3/8"-24 UNF spiral-point tap.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread size and pitch of the insert, such as 3/8"-24 UNF. Ensure the tap tolerance (e.g., H3 / 2B-3B) aligns with the insert class. For aluminum, use a spiral-point design like this OSG tap to push chips ahead and reduce clogging.

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
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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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This spiral-point STI tap is designed for cutting internal threads in aluminum to accept helical wire inserts. It features a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for applications requiring thread repair or reinforcement in softer materials
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This spiral-point STI tap is designed for cutting internal threads in aluminum to accept helical wire inserts. It features a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for applications requiring thread repair or reinforcement in softer materials
This spiral-point STI tap is designed for cutting internal threads in aluminum and non-ferrous materials prior to installing screw thread inserts. It features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for applications requiring thread reinforcement or repair in general manufacturing
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This spiral-point STI tap is designed for cutting internal threads in aluminum and non-ferrous materials prior to installing screw thread inserts. It features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for applications requiring thread reinforcement or repair in general manufacturing

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