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OSG Spiral Flute Tap: M18x2.5 Metric, OH2 / 6H, 4 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: M18x2.5 Metric, OH2 / 6H, 4 Flute

The OSG Spiral Flute Tap (M18x2.5 Metric, MPN 11730) is a general-purpose spiral-flute tap with an OH2 / 6H tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this precision…

SKU 3G-OTH-230304

Brand
OSG
Item
Spiral Flute Tap: M18x2.5 Metric, OH2 / 6H, 4 Flute
Category
General Purpose Spiral-Flute Taps
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
11730
Type
OH2 / 6H, Modified Bottoming Chamfer
Flute
4

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (M18x2.5 Metric, MPN 11730) is a general-purpose spiral-flute tap with an OH2 / 6H tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this precision threading tool, sources it from OSG, and delivers it with accountable support across 14 industrial departments — with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in metal, where chips must be evacuated upward. It is common in automotive, aerospace, and general machining. The M18x2.5 metric size suits medium-to-large threaded fasteners in steel and cast iron.

What are the specifications of the OSG M18x2.5 spiral flute tap?

This OSG tap has a M18x2.5 metric thread, OH2 / 6H tolerance, 4 flutes, and a modified bottoming chamfer. It is designed for blind-hole threading in materials up to medium hardness. The MPN is 11730.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling logistics, customs, and delivery to your site. As a global industrial sourcing partner, we provide genuine OSG cutting tools for production and maintenance needs across all regions.

How to select the right spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming or modified bottoming chamfer to thread close to the hole bottom. Match the tap tolerance (e.g., OH2 / 6H) to the required thread class. OSG taps offer consistent geometry for reliable chip evacuation.

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-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Flute Tap: M18x1.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11735)
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OSG Spiral Flute Tap: M18x1.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11735)
OSG Spiral Flute Tap: M20x2.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11757)
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OSG Spiral Flute Tap: M20x2.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11757)
OSG Spiral Flute Tap: M20x1.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11762)
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OSG Spiral Flute Tap: M20x1.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11762)
OSG Spiral Flute Tap: M16x1.5 Metric, OH2 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 11708)
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OSG Spiral Flute Tap: M16x1.5 Metric, OH2 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 11708)
OSG Spiral Flute Tap: M22x2.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11772)
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OSG Spiral Flute Tap: M22x2.5 Metric, OH2 / 6H, 4 Flute, Modified Bottoming Chamfer (MPN 11772)
OSG Spiral Flute Tap: M6x1 Metric, OH2 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 11583)
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OSG Spiral Flute Tap: M6x1 Metric, OH2 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 11583)

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