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OSG 30205608 Spiral-Flute STI Tap, 7/8"-14 UNF, H3 / 2B-3B, 4 Flute - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG 30205608 Spiral-Flute STI Tap, 7/8"-14 UNF, H3 / 2B-3B, 4 Flute

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

SKU 3G-OTH-244225

Brand
OSG
Item
30205608 Spiral-Flute STI Tap, 7/8"-14 UNF, H3 / 2B-3B, 4 Flute
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
30205608

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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 screw 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 30205608 STI Tap?

The OSG 30205608 is a spiral-flute STI tap with a 7/8"-14 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes. It is designed for threading steel and stainless steel. The spiral flute design helps evacuate chips upward, making it suitable for through-hole 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 30205608 or other OSG threading tools.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the insert's thread size and pitch, such as 7/8"-14 UNF. Ensure the tap tolerance (e.g., H3 / 2B-3B) aligns with the required class of fit. For steel or stainless steel, choose a spiral-flute design like this OSG tap to manage chip evacuation and prolong tool life.

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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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 7/8"-14 UNF with H3 / 2B-3B tolerance and 4 flutes. Spiral flute design aids chip evacuation in blind-hole applications. Used in maintenance and repair of threaded holes requiring thread inserts
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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 7/8"-14 UNF with H3 / 2B-3B tolerance and 4 flutes. Spiral flute design aids chip evacuation in blind-hole applications. Used in maintenance and repair of threaded holes requiring thread inserts
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Thread size 7/8"-14 UNF with H4 / 2B-3B thread limit. 4-flute design. Used in industrial applications for restoring or strengthening threaded holes
Spiral-flute STI tap for pre-tapping holes for helical wire thread inserts in steel and stainless steel. The spiral-flute design evacuates chips upward, making it suitable for blind-hole applications. Thread size: 7/8"-14 UNF, tolerance H4 / 2B-3B, 4 flutes. Manufacturer part number: 30205901
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Spiral-flute STI tap for pre-tapping holes for helical wire thread inserts in steel and stainless steel. The spiral-flute design evacuates chips upward, making it suitable for blind-hole applications. Thread size: 7/8"-14 UNF, tolerance H4 / 2B-3B, 4 flutes. Manufacturer part number: 30205901
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accommodate helical wire thread inserts. Thread size 7/8"-9 UNC with H3 / 2B-3B tolerance class. Four-flute design aids chip evacuation. Manufacturer part number 30205201
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accommodate helical wire thread inserts. Thread size 7/8"-9 UNC with H3 / 2B-3B tolerance class. Four-flute design aids chip evacuation. Manufacturer part number 30205201
This OSG spiral-flute STI tap cuts internal threads in steel and stainless steel for installing helical wire thread inserts. It features a thread size of 7/8"-9 UNC, 4 flutes, and a ground thread tolerance of H3 / 2B-3B. Commonly used in applications where stripped threads must be restored to original strength without replacing the component
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This OSG spiral-flute STI tap cuts internal threads in steel and stainless steel for installing helical wire thread inserts. It features a thread size of 7/8"-9 UNC, 4 flutes, and a ground thread tolerance of H3 / 2B-3B. Commonly used in applications where stripped threads must be restored to original strength without replacing the component
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features a 5/8"-18 UNF thread, H3 / 2B-3B tolerance, and 4 flutes. The spiral flute design aids chip evacuation in blind-hole 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 5/8"-18 UNF thread, H3 / 2B-3B tolerance, and 4 flutes. The spiral flute design aids chip evacuation in blind-hole 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 5/8"-18 UNF thread, H3 / 2B-3B tolerance, and 4 flutes. The spiral flute design aids chip evacuation during threading operations
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