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OSG Spiral Flute Tap: 1 7/8"-8 8UN, H10 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1 7/8"-8 8UN, H10 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (1 7/8"-8 8UN) is a spiral-flute tap for steel and stainless steel, featuring a modified bottoming chamfer, 4 flutes, and H10 / 2B-3B tolerance. This tool is designed for threading…

SKU 3G-OTH-219029

Brand
OSG
Item
Spiral Flute Tap: 1 7/8"-8 8UN, H10 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650508608
Type
H10 / 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 (1 7/8"-8 8UN) is a spiral-flute tap for steel and stainless steel, featuring a modified bottoming chamfer, 4 flutes, and H10 / 2B-3B tolerance. This tool is designed for threading applications requiring precise chip evacuation and thread quality.

Frequently Asked Questions

What is the OSG spiral flute tap used for?

The OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap?

This OSG tap has a thread size of 1 7/8"-8 8UN, with a H10 / 2B-3B tolerance class. It features 4 flutes and a modified bottoming chamfer. The manufacturer part number is 1650508608. It is suitable for threading blind holes in steel and stainless steel materials.

Where to buy the OSG spiral flute tap worldwide?

You can source the OSG spiral flute tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this and other OSG tooling.

How to select the correct OSG spiral flute tap for my application?

Select the tap based on thread size, pitch, and material. For blind holes in steel or stainless steel, the OSG spiral flute tap with modified bottoming chamfer is ideal. Ensure the tolerance class (H10 / 2B-3B) matches your thread fit requirement. Consult OSG's technical data for optimal cutting parameters and coolant use.

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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