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

The OSG Spiral Flute Tap (1 3/4"-8 8UN) is a spiral-flute tap for steel and stainless steel, featuring an H10 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650508508). 3G Electric interprets…

SKU 3G-OTH-218982

Brand
OSG
Item
Spiral Flute Tap: 1 3/4"-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
1650508508
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 3/4"-8 8UN) is a spiral-flute tap for steel and stainless steel, featuring an H10 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650508508). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps, and controls as a trust anchor — ensuring you get the right answer, not just a catalog.

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 efficiently evacuates chips upward, making it ideal for blind-hole threading applications where chip clearance is critical.

What are the specifications of the OSG spiral flute tap 1650508508?

This OSG tap has a thread size of 1 3/4"-8 8UN, with a tolerance class of H10 / 2B-3B. It features 4 flutes and a modified bottoming chamfer. The manufacturer part number is 1650508508.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this OSG spiral flute tap and other industrial tooling for your operations.

How to select the correct OSG tap for steel threading?

Select an OSG tap based on thread size, pitch, and material. For steel and stainless steel, a spiral flute design with a modified bottoming chamfer, like this 1 3/4"-8 8UN tap, is suitable for blind holes. Ensure the tolerance class matches your required fit.

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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