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OSG Spiral-Flute Tap #8-32 UNC H2 2B-3B 2-Flute Modified Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral-Flute Tap #8-32 UNC H2 2B-3B 2-Flute Modified Bottoming Chamfer

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-218022

Brand
OSG
Item
Spiral-Flute Tap #8-32 UNC H2 2B-3B 2-Flute Modified Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1645008322

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel.

Frequently Asked Questions

What is the OSG spiral flute tap #8-32 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The #8-32 UNC size and modified bottoming chamfer allow threading close to the hole bottom, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 1645008322?

The OSG spiral flute tap (MPN 1645008322) is a #8-32 UNC tap with a H2 / 2B-3B tolerance class. It has 2 flutes and a modified bottoming chamfer. This tap is specifically designed for threading steel and stainless steel, providing precise thread formation and chip evacuation in blind-hole applications.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the OSG spiral flute tap #8-32 UNC (MPN 1645008322) or other OSG tooling for your manufacturing needs.

How to select the right OSG tap for stainless steel?

For stainless steel, choose a spiral flute tap like this OSG #8-32 UNC model, which uses a 2-flute design and modified bottoming chamfer to manage chip evacuation in blind holes. Ensure the tap's tolerance class (H2 / 2B-3B) matches your required thread fit. Always use appropriate cutting fluid and follow OSG's recommended speeds and feeds for optimal tool life.

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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This spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. Thread size: #8-32 UNC, tolerance H3 / 2B-3B, 2 flutes
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This spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. Thread size: #8-32 UNC, tolerance H3 / 2B-3B, 2 flutes
OSG Spiral Flute Tap: #8-36 UNF, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645008362)
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a 4-flute design with modified bottoming chamfer for efficient chip evacuation. Thread size 1"-8 UNC with H6 / 2B-3B tolerance. Suitable for general manufacturing applications requiring precise internal threads
OSG Spiral Flute Tap: 1"-8 UNC, H4 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1645010084)
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Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Thread size #6-32 UNC, tolerance class H2 / 2B-3B, 2 flutes, modified bottoming chamfer. Suitable for general manufacturing applications requiring clean, accurate threads
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Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Thread size #6-32 UNC, tolerance class H2 / 2B-3B, 2 flutes, modified bottoming chamfer. Suitable for general manufacturing applications requiring clean, accurate threads
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer allows threading close to the hole bottom. Thread size #6-32 UNC, H3 / 2B-3B tolerance, 2 flutes
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Modified bottoming chamfer allows threading close to the hole bottom. Thread size #6-32 UNC, H3 / 2B-3B tolerance, 2 flutes

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Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. Features a bottoming chamfer for threading to the bottom of blind holes. Tolerance class H4 / 2B-3B
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