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OSG Screw Thread Insert STI Tap: Spiral Fute, 1"-12 UNF, H6 / 2B-3B, 4 Flute - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Fute, 1"-12 UNF, H6 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap (MPN 30206901) is a spiral-flute tap for steel and stainless steel, sized 1"-12 UNF with a H6 / 2B-3B tolerance and bottoming chamfer. It features 4 flutes and is designed for…

SKU 3G-OTH-244274

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 1"-12 UNF, H6 / 2B-3B, 4 Flute
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30206901
Type
H6 / 2B-3B, Bottoming Chamfer
Flute
4
UNF
1"-12
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap (MPN 30206901) is a spiral-flute tap for steel and stainless steel, sized 1"-12 UNF with a H6 / 2B-3B tolerance and bottoming chamfer. It features 4 flutes and is designed for thread-insert installation. 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist expertise in cutting tools and precision threading.

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 steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and heavy equipment manufacturing where thread repair or reinforcement is required.

What are the specifications of the OSG STI Tap 30206901?

The OSG STI Tap 30206901 has a UNF thread size of 1"-12, a tolerance of H6 / 2B-3B, 4 flutes, and a bottoming chamfer. It is a spiral-flute tap designed for steel and stainless steel. The manufacturer part number is 30206901.

Where to buy OSG STI Taps in worldwide?

You can source OSG STI Taps through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this OSG tap model 30206901.

How to select the correct OSG STI Tap for thread inserts?

Select an OSG STI Tap based on the thread size and tolerance required for the insert. For a 1"-12 UNF thread with a 2B-3B fit, use a bottoming chamfer tap with 4 flutes. Ensure the tap matches the material—spiral-flute designs work best for steel and stainless steel.

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 for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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