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OSG Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (1/2"-13 UNC) is a general-purpose spiral-point tap with a TiN-coated high-speed steel construction, featuring an H5 / 2B-3B tolerance, plug chamfer, and 3 flutes (MPN 1242405). Designed for…

SKU 3G-OTH-215350

Brand
OSG
Item
Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1242405
Type
H5 / 2B-3B, Plug Chamfer, TiN Coated High Speed Steel
Flute
3

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

Product Description

The OSG Spiral Point Tap (1/2"-13 UNC) is a general-purpose spiral-point tap with a TiN-coated high-speed steel construction, featuring an H5 / 2B-3B tolerance, plug chamfer, and 3 flutes (MPN 1242405). Designed for through-hole threading, this tap pushes chips forward for efficient cutting. 3G Electric interprets demand and delivers this genuine OSG tool across 14 industrial departments — with specialist depth in cutting tools and controls — ensuring you get the right solution, not just a catalog.

Frequently Asked Questions

What is the OSG spiral point tap 1242405 used for?

The OSG spiral point tap 1242405 is used for threading blind or through holes in ferrous and non-ferrous materials. Its TiN coating reduces friction and extends tool life, making it suitable for general-purpose tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral point tap 1242405?

The OSG spiral point tap 1242405 has a 1/2"-13 UNC thread, H5 tolerance for 2B-3B class fit, 3 flutes, plug chamfer, and TiN coated high speed steel. It is designed for general-purpose tapping and is manufactured by OSG.

Where to buy the OSG spiral point tap 1242405 worldwide?

You can source the OSG spiral point tap 1242405 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to select the correct OSG spiral point tap for my application?

Select the OSG spiral point tap based on thread size (1/2"-13 UNC), material type, and hole configuration. For through holes, spiral point taps push chips ahead. Ensure the tap's H5 tolerance matches your required class fit (2B-3B). Consult OSG's 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 general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
OSG Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1242408)
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OSG Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1242408)
OSG Spiral Point Tap: 1/2"-13 UNC, H1 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1222408)
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OSG Spiral Point Tap: 1/2"-13 UNC, H1 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1222408)
OSG Spiral Point Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1242005)
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OSG Spiral Point Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1242005)
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OSG Spiral Point Tap: 1/2"-13 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1227408)
OSG Spiral Point Tap: 3/4"-10 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1243605)
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OSG Spiral Point Tap: 3/4"-10 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1243605)
OSG Spiral Point Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1232408)
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OSG Spiral Point Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1232408)

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