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OSG Screw Thread Insert STI Tap: Spiral Fute, 1"-8 UNC, 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"-8 UNC, H6 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as 1"-8 UNC with an H6 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 30206508). 3G Electric interprets…

SKU 3G-OTH-244339

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 1"-8 UNC, H6 / 2B-3B, 4 Flute
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30206508
Type
H6 / 2B-3B, Bottoming Chamfer
Flute
4
UNC
1"-8
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as 1"-8 UNC with an H6 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 30206508). 3G Electric interprets this demand and sources the exact OEM-specified tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure the right solution for your threading application.

Frequently Asked Questions

What is the OSG 30206508 STI tap used for?

The OSG 30206508 is a spiral-flute STI tap designed for cutting internal threads in steel and stainless steel. It is used to prepare holes for screw thread inserts, ensuring strong, wear-resistant threads in demanding industrial applications.

What are the specifications of the OSG 30206508 STI tap?

This OSG tap has a 1"-8 UNC thread size, H6 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a spiral-flute STI tap for steel and stainless steel, with manufacturer part number 30206508.

Where to buy the OSG 30206508 STI tap worldwide?

You can source the OSG 30206508 STI tap through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to select the correct STI tap for steel?

Select an STI tap like the OSG 30206508 based on thread size (1"-8 UNC), material (steel or stainless steel), and chamfer type (bottoming for blind holes). Spiral-flute taps help evacuate chips, reducing breakage risk in tough materials.

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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