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OSG Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (1/2"-20 UNF) is a spiral-point tap for steel and stainless steel, featuring a H3 / 2B-3B tolerance, plug chamfer, 3-flute design, and V coated powdered metal construction (MPN 1651503508)…

SKU 3G-OTH-224146

Brand
OSG
Item
Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1651503508
Type
H3 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (1/2"-20 UNF) is a spiral-point tap for steel and stainless steel, featuring a H3 / 2B-3B tolerance, plug chamfer, 3-flute design, and V coated powdered metal construction (MPN 1651503508). 3G Electric interprets your demand for this OEM-specified tool, sourcing it across 14 industrial departments with specialist depth in cutting tools and controls.

Frequently Asked Questions

What is the OSG Spiral Point Tap 1/2"-20 UNF used for?

This OSG spiral point tap is designed for threading blind or through holes in steel and stainless steel. Its plug chamfer and V-coated powdered metal construction provide durability and chip control in production tapping applications.

What are the specifications of the OSG Spiral Point Tap 1/2"-20 UNF?

The tap has a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, plug chamfer, and V-coated powdered metal. The manufacturer part number is 1651503508. It is designed for steel and stainless steel workpieces.

Where to buy the OSG Spiral Point Tap 1/2"-20 UNF worldwide?

3G Electric supplies the OSG Spiral Point Tap 1/2"-20 UNF worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG spiral point tap for steel?

Select a tap with the correct thread size, pitch, and tolerance for your application. For steel and stainless steel, choose a spiral point design with a plug chamfer and a coating like V-coated powdered metal for improved wear resistance. Always match the tap to the material hardness.

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-point 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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