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OSG Screw Thread Insert STI Tap: Straight Fute, #2-56 UNC, H2 / 2B-3B, 3 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

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

The OSG Screw Thread Insert STI Tap: Straight Flute is a general-purpose STI tap with a #2-56 UNC thread size, H2 / 2B-3B tolerance, and a Plug Chamfer. It features 3 flutes and is identified by manufacturer part…

SKU 3G-OTH-262044

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, #2-56 UNC, H2 / 2B-3B, 3 Flute
Category
General Purpose 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
6002600
Type
#2-56 UNC, 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: Straight Flute is a general-purpose STI tap with a #2-56 UNC thread size, H2 / 2B-3B tolerance, and a Plug Chamfer. It features 3 flutes and is identified by manufacturer part number 6002600.

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 general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.

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

This OSG STI Tap has a #2-56 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for general-purpose threading of screw thread inserts. The manufacturer part number is 6002600, and it is made by OSG.

Where to buy OSG STI Taps 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 #2-56 UNC STI Tap.

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

To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert's specifications. For example, a #2-56 UNC tap with H2 / 2B-3B tolerance is suitable for standard thread inserts. Ensure the chamfer type (plug, bottoming, or taper) fits your hole depth and material.

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 general purpose 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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Cross-referenced by specification & description
OSG Screw Thread Insert STI Tap: Straight Fute, #2-56 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 6002700)
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OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-24 UNF, H2 / 2B-3B, 4 Flute, Plug Chamfer (MPN 6018300)
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OSG Screw Thread Insert STI Tap: Straight Fute, #6-40 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 6007500)

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