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OSG Spiral-Flute STI Tap #6-40 UNF H2 2B-3B 3 Flute 30200301 - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Spiral-Flute STI Tap #6-40 UNF H2 2B-3B 3 Flute 30200301

OSG Spiral-Flute STI Taps for Steel & Stainless Steel.

SKU 3G-OTH-244365

Brand
OSG
Item
Spiral-Flute STI Tap #6-40 UNF H2 2B-3B 3 Flute 30200301
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
30200301

Technical Documents

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

Product Description

OSG Spiral-Flute STI Taps for Steel & Stainless Steel.

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 steel and stainless steel for installing helical thread inserts. Its spiral flute design efficiently evacuates chips, making it ideal for blind-hole applications in industrial manufacturing and maintenance.

What are the specifications of the OSG STI Tap #6-40 UNF?

This OSG STI Tap has a #6-40 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes. It is designed for steel and stainless steel, with a spiral flute geometry for chip evacuation. The manufacturer part number is 30200301.

Where to buy OSG STI Taps worldwide?

You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select an OSG STI Tap based on the thread size (e.g., #6-40 UNF), material (steel or stainless steel), and tolerance class (H2 / 2B-3B). For blind holes, choose a spiral-flute design. Always match the tap to the insert manufacturer's recommendations for optimal thread quality.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. It features a #6-40 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes for effective chip evacuation. Suitable for applications requiring strong, wear-resistant threads
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This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. It features a #6-40 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes for effective chip evacuation. Suitable for applications requiring strong, wear-resistant threads
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Features 3/8"-24 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes for efficient chip evacuation. Suitable for applications requiring strong, wear-resistant threads in ferrous materials
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Features 3/8"-24 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes for efficient chip evacuation. Suitable for applications requiring strong, wear-resistant threads in ferrous materials
This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel to accommodate screw thread inserts. It features a #8-32 UNC thread size, H4 / 2B-3B tolerance, and a 3-flute design for efficient chip evacuation. Commonly used in applications requiring thread repair or reinforcement
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This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel to accommodate screw thread inserts. It features a #8-32 UNC thread size, H4 / 2B-3B tolerance, and a 3-flute design for efficient chip evacuation. Commonly used in applications requiring thread repair or reinforcement
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Designed for blind-hole threading with chip evacuation upward. Thread size 3/8"-24 UNF, thread limit H2 / 2B-3B, 3 flutes
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Designed for blind-hole threading with chip evacuation upward. Thread size 3/8"-24 UNF, thread limit H2 / 2B-3B, 3 flutes
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Thread size 5/16"-24 UNF with H3 / 2B-3B thread limit. Three-flute design for chip evacuation in blind-hole threading applications
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Thread size 5/16"-24 UNF with H3 / 2B-3B thread limit. Three-flute design for chip evacuation in blind-hole threading applications
This spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. The spiral flute geometry aids chip evacuation, making it suitable for blind-hole threading. Thread size: 5/16"-24 UNF with H3 / 2B-3B tolerance, 3 flutes
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This spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. The spiral flute geometry aids chip evacuation, making it suitable for blind-hole threading. Thread size: 5/16"-24 UNF with H3 / 2B-3B tolerance, 3 flutes

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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features M2x0.4 metric thread, D2 / 2B-3B tolerance, and 2 flutes. Used in applications requiring thread repair or reinforcement in demanding materials
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 3/8"-16 UNC, 3 flutes, tolerance class H4 / 2B-3B. Suitable for repair or reinforcement of threaded holes in demanding materials
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features 5/16"-18 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Used in applications such as automotive, aerospace, and heavy equipment repair where stripped threads must be restored
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features 5/16"-18 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Used in applications such as automotive, aerospace, and heavy equipment repair where stripped threads must be restored
This OSG spiral-flute STI tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It features a #10-24 UNC thread size, H2 / 2B-3B tolerance, and a 3-flute design. Suitable for thread repair and reinforcement in demanding applications
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This OSG spiral-flute STI tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It features a #10-24 UNC thread size, H2 / 2B-3B tolerance, and a 3-flute design. Suitable for thread repair and reinforcement in demanding applications
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features a 1"-8 UNC thread size, H6 / 2B-3B tolerance, and 4 flutes. The spiral flute design evacuates chips upward, making it suitable for blind-hole thread repair applications
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features a 1"-8 UNC thread size, H6 / 2B-3B tolerance, and 4 flutes. The spiral flute design evacuates chips upward, making it suitable for blind-hole thread repair applications
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. #8-32 UNC, H2 / 2B-3B tolerance, bottoming chamfer, 3 flutes. Manufacturer part number 0145208
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. #8-32 UNC, H2 / 2B-3B tolerance, bottoming chamfer, 3 flutes. Manufacturer part number 0145208