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OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H3 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H3 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap (SKU 33ZK43, MPN 12602400) is a general-purpose STI tap with a straight flute design, sized 5/8"-11 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance…

SKU 3G-OTH-262079

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H3 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
12602400
Type
H3 / 2B-3B, Bottoming Chamfer
Flute
4
UNC
5/8"-11
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap (SKU 33ZK43, MPN 12602400) is a general-purpose STI tap with a straight flute design, sized 5/8"-11 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance class, making it suitable for threading applications requiring screw thread inserts.

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap used for?

This OSG STI tap is used to cut internal threads for screw thread inserts in metal parts. It is designed for general-purpose tapping in industrial maintenance, automotive, and aerospace applications where a 5/8"-11 UNC thread with a H3 tolerance is required.

What are the specifications of the OSG STI Tap 12602400?

The OSG STI Tap (MPN 12602400) has a 5/8"-11 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a straight flute, general-purpose tap for creating threads that accept screw thread inserts.

Where to buy the OSG STI Tap 12602400 worldwide?

You can source the OSG STI Tap 12602400 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading application.

How to select the correct OSG STI tap for a 5/8"-11 UNC thread?

Select an STI tap that matches the thread size (5/8"-11 UNC) and tolerance class (H3 for the tap, 2B-3B for the finished thread). The OSG 12602400 with bottoming chamfer is suitable for blind holes. Always verify the insert manufacturer's recommended tap drill size before use.

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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