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OSG Screw Thread Insert STI Tap: Spiral Point, #4-48 UNF, H2 / 2B-3B, 2 Flute - Spiral-Point STI Taps
OSGSpiral-Point STI Taps

OSG Screw Thread Insert STI Tap: Spiral Point, #4-48 UNF, H2 / 2B-3B, 2 Flute

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 7004400) is a #4-48 UNF, H2 / 2B-3B, Plug Chamfer tap with 2 flutes. 3G Electric interprets demand and delivers this genuine industrial tap across 14 departments…

SKU 3G-OTH-287015

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #4-48 UNF, H2 / 2B-3B, 2 Flute
Category
Spiral-Point STI Taps
Available to Order
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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
7004400
Type
#4-48 UNF, H2 / 2B-3B, Plug Chamfer
Flute
2

Technical Documents

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

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 7004400) is a #4-48 UNF, H2 / 2B-3B, Plug Chamfer tap with 2 flutes. 3G Electric interprets demand and delivers this genuine industrial tap across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands including OSG, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

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 workpiece before installing a helical coil thread insert. It is essential for repairing or reinforcing threads in metal, plastics, and composites across machining, automotive, and aerospace applications.

What are the specifications of the OSG STI Tap #4-48 UNF?

The OSG STI Tap (MPN 7004400) is a #4-48 UNF spiral-point tap with a plug chamfer, 2 flutes, and a thread tolerance of H2 / 2B-3B. It is designed for screw thread insert installation and is made by OSG, a leading cutting tool manufacturer.

Where to buy OSG STI Tap #4-48 UNF worldwide?

3G Electric supplies the OSG STI Tap #4-48 UNF (MPN 7004400) to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine OSG cutting tools for your machining operations, regardless of your location.

How to select the correct STI tap for thread inserts?

To select the correct STI tap, match the tap size and thread pitch to the insert's specifications. For a #4-48 UNF insert, use an OSG STI tap with H2 / 2B-3B tolerance and plug chamfer. Always verify the tap is marked for screw thread insert use to ensure proper thread fit.

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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