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OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H3 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H3 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 1813200) is a general-purpose STI tap in 7/16"-14 UNC, with H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets this demand and sources…

SKU 3G-OTH-262146

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H3 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
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Technical Specifications

OSG
Manufacturer Part Number
1813200
Type
H3 / 2B-3B, Plug Chamfer
Flute
4
UNC
7/16"-14
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 1813200) is a general-purpose STI tap in 7/16"-14 UNC, with H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist expertise across 14 industrial departments.

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

What are the specifications of the OSG STI Tap 1813200?

The OSG STI Tap 1813200 has a 7/16"-14 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is a straight flute, general-purpose tap designed for screw thread insert installation. The H3 / 2B-3B designation ensures precise thread fit for insert applications.

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 the OSG 1813200 or other STI tap sizes.

How to select the correct OSG STI Tap size?

To select the correct OSG STI Tap, match the tap's thread size and pitch to the thread insert you plan to install. For example, the 1813200 is for 7/16"-14 UNC inserts. Always verify the tap tolerance (H3 / 2B-3B) matches your required thread class for proper fit and performance.

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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