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3G Electric
OSG Spiral-Flute STI Tap, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Spiral-Flute STI Tap, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute

<p>The OSG Spiral-Flute STI Tap (MPN 30203801) is a high-performance thread-forming tap designed for steel and stainless steel applications. With a 5/8"-11 UNC thread size and H4 tolerance, it meets 2B-3B class fit…

SKU 3G-OTH-244258

Brand
OSG
Item
Spiral-Flute STI Tap, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute
Part Number
30203801
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
Available to Order
Also known as:30203801OSG
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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
30203801
Model
5/8"-11 UNC, H4 / , 4

Technical Documents

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

Product Description

<p>The OSG Spiral-Flute STI Tap (MPN 30203801) is a high-performance thread-forming tap designed for steel and stainless steel applications. With a 5/8"-11 UNC thread size and H4 tolerance, it meets 2B-3B class fit requirements. Its 4-flute spiral-flute design efficiently evacuates chips, making it ideal for blind-hole threading in demanding materials.</p><p>This tap is a reliable choice for precision engineering, automotive, and general manufacturing. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia, with worldwide shipping available.</p>

Frequently Asked Questions

What are the key specifications of this OSG tap?

The OSG Spiral-Flute STI Tap has a thread size of 5/8"-11 UNC, with H4 tolerance and 2B-3B class fit. It features 4 flutes and is designed for steel and stainless steel. The manufacturer part number is 30203801.

Can I get a quote in SGD and what about GST and delivery?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled. We offer fast delivery across Singapore and Southeast Asia, and worldwide shipping is available.

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
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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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