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OSG Spiral Flute Tap: #12-32 UNEF, H3 / 2B-3B, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #12-32 UNEF, H3 / 2B-3B, 2 Flute

The OSG Spiral Flute Tap (#12-32 UNEF, MPN 1650505608) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 2-flute design, and modified bottoming chamfer. 3G Electric interprets…

SKU 3G-OTH-218549

Brand
OSG
Item
Spiral Flute Tap: #12-32 UNEF, H3 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650505608
Type
H3 / 2B-3B, Modified Bottoming Chamfer
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (#12-32 UNEF, MPN 1650505608) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 2-flute design, and modified bottoming chamfer. 3G Electric interprets your demand and sources this genuine OSG tap, backed by specialist expertise across 14 industrial departments—including cutting tools—to ensure you get the right solution.

Frequently Asked Questions

What is the OSG spiral flute tap #12-32 UNEF used for?

This OSG spiral flute tap is designed for threading steel and stainless steel. The #12-32 UNEF size and modified bottoming chamfer make it suitable for through-hole or blind-hole applications where chip evacuation is critical. It is commonly used in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG spiral flute tap 1650505608?

The OSG spiral flute tap has a #12-32 UNEF thread size, H3 / 2B-3B tolerance, 2 flutes, and a modified bottoming chamfer. It is designed for steel and stainless steel. The manufacturer part number is 1650505608. These specs ensure precise 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 times on this and other OSG threading tools.

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

Select an OSG spiral flute tap based on thread size, tolerance class, and material. For steel and stainless steel, use taps with H3 / 2B-3B tolerance and modified bottoming chamfer for blind holes. Ensure the tap matches your hole type and machine setup. OSG taps are engineered for consistent performance in these materials.

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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