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OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 2 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 2 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (#5-40 UNC, MPN 1650509108) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 2 flutes, and V Coated Powdered Metal construction. It is specified as H2 /…

SKU 3G-OTH-217769

Brand
OSG
Item
Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 2 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650509108
Type
H2 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (#5-40 UNC, MPN 1650509108) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 2 flutes, and V Coated Powdered Metal construction. It is specified as H2 / 2B-3B class of fit. 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG spiral flute tap #5-40 UNC used for?

The OSG spiral flute tap #5-40 UNC is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap #5-40 UNC?

This OSG tap has a #5-40 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer. It features a V coating on powdered metal construction for wear resistance. The manufacturer part number is 1650509108. It is designed for threading steel and stainless steel.

Where to buy OSG spiral flute taps in 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. We supply genuine OSG cutting tools for manufacturing operations.

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

Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, choose a V-coated powdered metal tap like the #5-40 UNC with H2 tolerance. Ensure the chamfer type matches your hole: bottoming for blind holes, plug for through holes. Consult OSG technical data for optimal speeds and feeds.

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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