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OSG Screw Thread Insert STI Tap: Thread Forming, 3/4"-16 UNF, H9 / 2B-3B - Thread-Forming STI Taps
OSGThread-Forming STI Taps

OSG Screw Thread Insert STI Tap: Thread Forming, 3/4"-16 UNF, H9 / 2B-3B

The OSG Screw Thread Insert STI Tap is a thread-forming tap for 3/4"-16 UNF threads, with an H9 / 2B-3B tolerance and a modified bottoming chamfer (MPN 1626005008). This tool is designed for forming threads in STI…

SKU 3G-OTH-403962

Brand
OSG
Item
Screw Thread Insert STI Tap: Thread Forming, 3/4"-16 UNF, H9 / 2B-3B
Category
Thread-Forming STI Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1626005008
Type
H9 / 2B-3B, Modified Bottoming Chamfer
UNF
3/4"-16

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a thread-forming tap for 3/4"-16 UNF threads, with an H9 / 2B-3B tolerance and a modified bottoming chamfer (MPN 1626005008). This tool is designed for forming threads in STI (screw thread insert) 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 form internal threads in a workpiece before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where high-strength, wear-resistant threads are required in softer materials like aluminum or magnesium.

What are the specifications of the OSG STI Tap MPN 1626005008?

The OSG STI Tap MPN 1626005008 is a thread-forming tap for 3/4"-16 UNF threads. It has a tolerance class of H9 / 2B-3B and features a modified bottoming chamfer. This tap is designed for use with screw thread inserts 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 established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG Screw Thread Insert STI Tap MPN 1626005008.

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, the MPN 1626005008 is for 3/4"-16 UNF inserts. Ensure the tap tolerance (H9 / 2B-3B) aligns with your required thread class. Use a modified bottoming chamfer for blind holes.

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 thread-forming 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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