OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral-Flute Tap

SKU 3G-OTH-218669

Brand

OSG

Item

Spiral-Flute Tap

Part Number

1650507708

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

1650507708

Type

H10 / 2B-3B, Modified Bottoming Chamfer 

Flute

4

Technical Documents

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OSG Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The OSG Spiral-Flute Tap, part number 1650507708, is a high-performance threading tool designed for steel and stainless steel applications. Featuring a 1 3/8"-6 UNC thread size, this tap offers a 4-flute design with a modified bottoming chamfer, ensuring efficient chip evacuation and precise threads. The H10 tolerance and 2B-3B class of fit make it suitable for general-purpose tapping in demanding materials.</p><p>Ideal for manufacturers and workshops in Singapore and across SEA, this tap is available with SGD quotes on request. For local buyers, GST is handled seamlessly, and fast delivery across Singapore and SEA ensures minimal downtime. Contact 3G Electric for your industrial tooling needs.</p>

Frequently Asked Questions

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

The OSG tap has a thread size of 1 3/8"-6 UNC, with a modified bottoming chamfer and 4 flutes. It is designed for steel and stainless steel.

What is the tolerance and fit class of this tap?

The tap has an H10 tolerance and is suitable for 2B-3B class of fit, ensuring accurate threads within standard limits.

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 taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all OSG products →Contact our engineers →