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OSG Spiral Flute Tap: 13/16"-20 UNEF, H5 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 13/16"-20 UNEF, H5 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (13/16"-20 UNEF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650506608). 3G Electric sources this…

SKU 3G-OTH-218825

Brand
OSG
Item
Spiral Flute Tap: 13/16"-20 UNEF, H5 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650506608
Type
H5 / 2B-3B, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (13/16"-20 UNEF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650506608). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is the OSG spiral flute tap used for?

The OSG spiral flute tap is designed for threading steel and stainless steel. Its spiral flute design evacuates chips upward, making it ideal for blind-hole threading. The modified bottoming chamfer allows threading close to the bottom of the hole, common in automotive and general manufacturing applications.

What are the specifications of the OSG spiral flute tap?

This OSG tap has a 13/16"-20 UNEF thread size, H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. The manufacturer part number is 1650506608. It is designed for steel and stainless steel, ensuring precise thread formation in demanding materials.

Where to buy OSG spiral flute taps worldwide?

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap, part number 1650506608.

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

Select an OSG spiral flute tap based on thread size, pitch, and material. For steel, use taps with H5 tolerance for precision. The modified bottoming chamfer suits blind holes. Ensure the tap matches your required thread class (2B-3B). Consult OSG's technical data for optimal performance.

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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