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OSG Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (3/4"-10 UNC, MPN 1650504508) is a 4-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets this…

SKU 3G-OTH-217910

Brand
OSG
Item
Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650504508
Type
H3 / 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 (3/4"-10 UNC, MPN 1650504508) is a 4-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets this demand and sources the genuine OEM product, backed by specialist expertise in industrial tooling across 14 departments.

Frequently Asked Questions

What is the OSG spiral flute tap 3/4"-10 UNC used for?

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

What are the specifications of the OSG spiral flute tap 3/4"-10 UNC?

The OSG spiral flute tap has a thread size of 3/4"-10 UNC, with an H3 / 2B-3B tolerance class. It features 4 flutes and a modified bottoming chamfer. The manufacturer part number is 1650504508. This tap is suitable for threading blind holes in steel and stainless steel 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. We supply genuine OSG tooling for manufacturing and maintenance operations globally.

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 blind holes in steel, choose a modified bottoming chamfer to maximize thread depth. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches your required thread class. Use appropriate cutting fluid and machine speed for optimal tool life and thread quality.

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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