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OSG Screw Thread Insert STI Tap: Spiral Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute - Spiral-Flute STI Taps
OSGSpiral-Flute STI Taps

OSG Screw Thread Insert STI Tap: Spiral Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes to accept screw thread inserts. This specific model (MPN 10800600) features a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4…

SKU 3G-OTH-273394

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute
Category
Spiral-Flute STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
10800600
Type
H4 / 2B-3B, Bottoming Chamfer
Flute
4
UNC
1/2"-13
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes to accept screw thread inserts. This specific model (MPN 10800600) features a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer, making it suitable for through-hole or blind-hole applications.

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 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 STI Tap 10800600?

The OSG STI Tap 10800600 is a spiral-flute tap with a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for thread insert installation and is made by OSG, a leading cutting tool manufacturer.

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 item.

How to select the correct OSG STI Tap for a thread insert?

To select the correct OSG STI Tap, match the tap thread size and pitch to the insert's internal thread specification. For example, a 1/2"-13 UNC tap is used with a corresponding 1/2"-13 UNC thread insert. Verify the tap tolerance (e.g., H4 / 2B-3B) matches your required fit class.

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-flute 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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