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OSG Screw Thread Insert STI Tap: Spiral Point, #2-56 UNC, H2 / 2B-3B, 2 Flute - Spiral-Point STI Taps
OSGSpiral-Point STI Taps

OSG Screw Thread Insert STI Tap: Spiral Point, #2-56 UNC, H2 / 2B-3B, 2 Flute

The OSG Screw Thread Insert STI Tap is a #2-56 UNC spiral-point tap with a Plug Chamfer, 2 flutes, and H2 / 2B-3B tolerance class (MPN 7002600). Designed for creating threads for screw thread inserts, this tap is…

SKU 3G-OTH-287052

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #2-56 UNC, H2 / 2B-3B, 2 Flute
Category
Spiral-Point STI Taps
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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
7002600
Type
#2-56 UNC, 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 is a #2-56 UNC spiral-point tap with a Plug Chamfer, 2 flutes, and H2 / 2B-3B tolerance class (MPN 7002600). Designed for creating threads for screw thread inserts, this tap is part of OSG's precision threading solutions.

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 pre-drilled hole before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads in metal components.

What are the specifications of the OSG STI Tap #2-56 UNC?

The OSG STI Tap (MPN 7002600) is a spiral-point, plug-chamfer tap for #2-56 UNC threads. It has 2 flutes and a thread class of H2 / 2B-3B. This tap is designed specifically for use with screw thread inserts, ensuring proper thread fit and strength in the host material.

Where to buy OSG STI Taps worldwide?

OSG STI Taps are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on the OSG Screw Thread Insert STI Tap #2-56 UNC.

How to select the correct OSG STI Tap for thread repair?

To select the correct OSG STI Tap, match the tap size and thread pitch to the insert you plan to install. For a #2-56 UNC insert, use the OSG STI Tap with H2 / 2B-3B tolerance and plug chamfer. Always verify the tap is marked for STI (screw thread insert) use to ensure proper thread depth.

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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