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3G Electric
OSG 7/16"-14 UNC STI Tap, H4 / 2B-3B, Bottoming Chamfer, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG 7/16"-14 UNC STI Tap, H4 / 2B-3B, Bottoming Chamfer, 4 Flute

<p>The OSG 7/16&quot;-14 UNC STI Tap (Mfr Part #6019900) is a general-purpose tap designed for use with STI (screw thread insert) applications. It features a bottoming chamfer for threading blind holes, and a 4-flute…

SKU 3G-OTH-262104

Brand
OSG
Item
7/16"-14 UNC STI Tap, H4 / 2B-3B, Bottoming Chamfer, 4 Flute
Part Number
6019900
Category
General Purpose STI Taps
Available to Order
Also known as:6019900OSG
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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
6019900
Type
H4 / 2B-3B, Bottoming Chamfer
Flute
4
UNC
7/16"-14

Technical Documents

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

Product Description

<p>The OSG 7/16&quot;-14 UNC STI Tap (Mfr Part #6019900) is a general-purpose tap designed for use with STI (screw thread insert) applications. It features a bottoming chamfer for threading blind holes, and a 4-flute design for efficient chip evacuation. This tap is manufactured to H4 tolerance, suitable for producing 2B-3B class threads.</p><p>Ideal for precision engineering and manufacturing, this OSG tap is available for procurement in Singapore with SGD quotes on request. GST is handled for local buyers, and fast delivery is available across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the thread size and type of this OSG tap?

It is a 7/16&quot;-14 UNC tap, meaning it has a Unified National Coarse thread with 14 threads per inch.

What does the H4 / 2B-3B specification mean?

H4 indicates the tap's pitch diameter tolerance, and 2B-3B refers to the class of fit for the internal thread it produces, ensuring a precise fit for STI inserts.

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 general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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