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OSG Spiral-Flute Tap 3/8"-24 UNF H4 / 2B-3B Bottoming Chamfer V - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral-Flute Tap 3/8"-24 UNF H4 / 2B-3B Bottoming Chamfer V

The OSG Spiral Flute Tap (3/8"-24 UNF, MPN 1650511908) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 3 flutes, and H4 / 2B-3B thread tolerance with V Coated Powdered Metal…

SKU 3G-OTH-218792

Brand
OSG
Item
Spiral-Flute Tap 3/8"-24 UNF H4 / 2B-3B Bottoming Chamfer V
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
1650511908
Type
H4 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
3

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

Product Description

The OSG Spiral Flute Tap (3/8"-24 UNF, MPN 1650511908) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 3 flutes, and H4 / 2B-3B thread tolerance with V Coated Powdered Metal construction.

Frequently Asked Questions

What is the OSG spiral flute tap 3/8-24 UNF 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 V coating and powdered metal construction provide wear resistance for production threading. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 3/8-24 UNF?

This OSG tap has a thread size of 3/8-24 UNF, with a H4 / 2B-3B tolerance class. It features 3 flutes, a bottoming chamfer, and a V coating on powdered metal. The manufacturer part number is 1650511908. It is designed for threading blind holes in steel and stainless steel.

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 cutting tools for manufacturing operations.

How to select the correct OSG tap for a threading application?

Select the tap based on thread size, pitch, and tolerance class (e.g., H4 / 2B-3B). For blind holes, use a spiral flute tap with a bottoming chamfer. Match the coating and material (e.g., V coated powdered metal) to the workpiece material—steel or stainless steel. Consult OSG technical data for optimal speeds and feeds.

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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Bottoming-chamfer spiral-flute tap with 3 flutes, made of V-coated powdered metal. Tolerance class H3 / 2B-3B. Designed for threading blind holes in steel and stainless steel
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OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650510808)
OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650508908)
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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650508908)

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