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

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

The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 31400208, MPN 31400208) is a #4-48 UNF, H2 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading multiple materials. 3G Electric interprets your demand…

SKU 3G-OTH-284749

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #4-48 UNF, H2 / 2B-3B, 3 Flute
Category
Spiral-Point STI Taps for Multiple Materials
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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
31400208
Type
#4-48 UNF, H2 / 2B-3B, Plug Chamfer
Flute
3

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 (SKU 31400208, MPN 31400208) is a #4-48 UNF, H2 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading multiple materials. 3G Electric interprets your demand for this specific OSG tap and delivers it as part of our broad industrial supply across 14 departments, with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap #4-48 UNF used for?

This OSG spiral-point STI tap is designed for cutting internal threads in multiple materials before installing screw thread inserts. It is commonly used in aerospace, automotive, and general manufacturing applications where thread repair or reinforcement is required.

What are the specifications of the OSG STI Tap 31400208?

The OSG STI tap has a #4-48 UNF thread size, H2 / 2B-3B tolerance, 3-flute design, and plug chamfer. It is a spiral-point tap for through-hole threading in multiple materials. The manufacturer part number is 31400208.

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

3G Electric supplies the OSG STI Tap #4-48 UNF worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select an STI tap based on the insert's thread size and pitch, such as #4-48 UNF. Ensure the tap tolerance (e.g., H2 / 2B-3B) matches the required thread class. Use a spiral-point design for through holes and a plug chamfer for general applications.

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 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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