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OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (#4-48 UNF, MPN 1650509008) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 2 flutes, and a V coated powdered metal construction with H2 / 2B-3B tolerance…

SKU 3G-OTH-217766

Brand
OSG
Item
Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, 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
1650509008
Type
H2 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
2

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (#4-48 UNF, MPN 1650509008) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 2 flutes, and a V coated powdered metal construction with H2 / 2B-3B tolerance. 3G Electric interprets your demand for this precision threading tool, sourcing it from our global network across 14 industrial departments, with specialist depth in cutting tools and controls.

Frequently Asked Questions

What is OSG spiral flute tap #4-48 UNF used for?

This OSG spiral flute tap is designed for threading #4-48 UNF holes in steel and stainless steel. Its bottoming chamfer allows threading close to the bottom of blind holes, while the V-coated powdered metal construction provides wear resistance for production environments.

What are the specifications of OSG spiral flute tap 1650509008?

The OSG spiral flute tap 1650509008 has a #4-48 UNF thread size, H2 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer. It is made of V-coated powdered metal for durability in steel and stainless steel applications.

Where to buy OSG spiral flute tap #4-48 UNF worldwide?

3G Electric supplies the OSG spiral flute tap #4-48 UNF worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG cutting tools.

How to select the right spiral flute tap for steel?

For steel, choose a spiral flute tap with a bottoming chamfer for blind holes or a plug chamfer for through holes. Ensure the thread size matches your application, like #4-48 UNF. OSG taps with V-coated powdered metal offer extended tool life in harder materials.

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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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650508908)
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to the hole bottom and 2 flutes for chip evacuation upward. V coated powdered metal construction with H2 / 2B-3B tolerance class
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to the hole bottom, 3 flutes, and V-coated powdered metal construction. Tolerance class H4 / 2B-3B ensures precise thread fit. Thread size 5/16-24 UNF
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to the hole bottom, 3 flutes, and V-coated powdered metal construction. Tolerance class H4 / 2B-3B ensures precise thread fit. Thread size 5/16-24 UNF
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to hole bottom, 2 flutes for chip evacuation, and V coated powdered metal construction. Thread size #5-40 UNC, tolerance H2 / 2B-3B
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to hole bottom, 2 flutes for chip evacuation, and V coated powdered metal construction. Thread size #5-40 UNC, tolerance H2 / 2B-3B
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to the hole bottom, 3 flutes for chip evacuation, and V coated powdered metal construction. Tolerance class H4 / 2B-3B
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to the hole bottom, 3 flutes for chip evacuation, and V coated powdered metal construction. Tolerance class H4 / 2B-3B
OSG Spiral Flute Tap: #6-40 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509508)
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OSG Spiral Flute Tap: #6-40 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509508)

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