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OSG Spiral-Flute Tap #6-40 UNF H2 2B-3B 2 Flute Modified Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral-Flute Tap #6-40 UNF H2 2B-3B 2 Flute Modified Bottoming Chamfer

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-219149

Brand
OSG
Item
Spiral-Flute Tap #6-40 UNF H2 2B-3B 2 Flute Modified Bottoming Chamfer
Category
Spiral-Flute 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
1645006402

Technical Documents

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

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel.

Frequently Asked Questions

What is the OSG spiral flute tap #6-40 UNF used for?

This OSG spiral flute tap is designed for threading steel and stainless steel. The #6-40 UNF size and modified bottoming chamfer make it suitable for through-hole and blind-hole applications where chip evacuation is critical. It is commonly used in precision machining, automotive, and aerospace manufacturing.

What are the specifications of the OSG spiral flute tap 1645006402?

The OSG spiral flute tap has a #6-40 UNF thread size, H2 / 2B-3B tolerance, 2 flutes, and a modified bottoming chamfer. The manufacturer part number is 1645006402. It is designed for steel and stainless steel, ensuring reliable thread cutting in demanding materials.

Where to buy OSG spiral flute taps worldwide?

You can source OSG spiral flute 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 1645006402 tap.

How to select the correct OSG spiral flute tap for steel?

Select an OSG spiral flute tap based on thread size, material, and hole type. For steel and stainless steel, use taps with H2 / 2B-3B tolerance and modified bottoming chamfer for blind holes. Ensure the tap matches your required UNF thread class and flute count for optimal chip evacuation.

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 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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