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OSG Spiral Flute Tap: M30x3.5 Metric, D9 / 4H-6H, 4 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: M30x3.5 Metric, D9 / 4H-6H, 4 Flute

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M30x3.5 Metric, featuring a D9 / 4H-6H tolerance class, 4 flutes, and a modified bottoming chamfer (MPN 2995301). 3G Electric interprets this demand…

SKU 3G-OTH-230023

Brand
OSG
Item
Spiral Flute Tap: M30x3.5 Metric, D9 / 4H-6H, 4 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2995301
Type
D9 / 4H-6H, Modified Bottoming Chamfer
Flute
4

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

Product Description

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M30x3.5 Metric, featuring a D9 / 4H-6H tolerance class, 4 flutes, and a modified bottoming chamfer (MPN 2995301). 3G Electric interprets this demand and sources the genuine OSG part, supporting your threading operations 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 materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This M30x3.5 metric tap with a modified bottoming chamfer is ideal for deep-hole threading in industrial machining applications.

What are the specifications of the OSG M30x3.5 spiral flute tap?

This OSG tap has a metric M30x3.5 thread size, D9 / 4H-6H tolerance, 4 flutes, and a modified bottoming chamfer. It is designed for general-purpose threading of blind holes. The manufacturer part number is 2995301, and it is suitable for use with steel and cast iron.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the M30x3.5 spiral flute tap (MPN 2995301) and deliver to any international destination. Contact us for pricing and lead time.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG M30x3.5 model, which evacuates chips upward. Match the thread size (M30x3.5) and tolerance class (D9 / 4H-6H) to your application. Use a modified bottoming chamfer for threads close to the hole bottom. Always follow manufacturer speed and lubrication guidelines.

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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Cross-referenced by specification & description
OSG Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2991401)
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OSG Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2991401)
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OSG Spiral Flute Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2990800)
OSG Spiral Flute Tap: M18x2.5 Metric, D7 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 2993201)
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OSG Spiral Flute Tap: M18x2.5 Metric, D7 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 2993201)
OSG Spiral Flute Tap: M18x1.5 Metric, D6 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 2993001)
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OSG Spiral Flute Tap: M18x1.5 Metric, D6 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 2993001)
OSG Spiral Flute Tap: M10x1 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2991608)
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