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OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-16 UNC, H4 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-16 UNC, H4 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12600700) is a general-purpose STI tap in 3/8"-16 UNC, with H4 / 2B-3B tolerance and a plug chamfer. It features 4 flutes for threading holes that accept screw…

SKU 3G-OTH-262057

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 3/8"-16 UNC, H4 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
12600700
Type
H4 / 2B-3B, Plug Chamfer
Flute
4
UNC
3/8"-16
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12600700) is a general-purpose STI tap in 3/8"-16 UNC, with H4 / 2B-3B tolerance and a plug chamfer. It features 4 flutes for threading holes that accept screw thread inserts. 3G Electric interprets demand and sources this genuine OSG tap across 14 industrial departments, with specialist depth in cutting tools and controls.

Frequently Asked Questions

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

The OSG Screw Thread Insert STI Tap is used to cut internal threads in metal or plastic for installing helical wire thread inserts. It is commonly applied in automotive, aerospace, and general manufacturing to repair or reinforce stripped threads, ensuring strong, reusable connections.

What are the specifications of the OSG 12600700 STI Tap?

The OSG 12600700 STI Tap has a 3/8"-16 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is a straight flute, general-purpose tap designed for screw thread insert installation. The H4 tolerance ensures precise thread fit for 2B-3B class holes.

Where to buy the OSG 12600700 STI Tap worldwide?

You can source the OSG 12600700 STI Tap 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; we supply OSG taps to procurement teams and engineers globally.

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

Select an OSG STI Tap matching the thread size and pitch of the insert, such as 3/8"-16 UNC. Verify the tap tolerance (e.g., H4 / 2B-3B) aligns with your hole class. Use a plug chamfer for through holes or bottoming for blind holes. Always match the tap to the insert manufacturer's specifications.

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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