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OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute

The OSG Spiral Flute Tap (M4x0.7 Metric, MPN 1645504074) is a D4 / 4H-6H, 2-flute, modified bottoming chamfer tap designed for threading steel and stainless steel. 3G Electric sources this genuine OSG tool and…

SKU 3G-OTH-219147

Brand
OSG
Item
Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1645504074
Type
D4 / 4H-6H, Modified Bottoming Chamfer
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (M4x0.7 Metric, MPN 1645504074) is a D4 / 4H-6H, 2-flute, modified bottoming chamfer tap designed for threading steel and stainless steel. 3G Electric sources this genuine OSG tool and supports it across 14 industrial departments, with specialist depth in cutting tools and controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This M4x0.7 metric tap with a modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.

What are the specifications of the OSG M4x0.7 spiral flute tap?

This OSG tap has a metric M4x0.7 thread, D4 / 4H-6H tolerance, 2 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The manufacturer part number is 1645504074. These specs ensure precise thread fit and chip evacuation in blind-hole applications.

Where to buy OSG taps in worldwide?

3G Electric supplies and delivers OSG taps worldwide. We handle full logistics and customs clearance, sourcing genuine OSG cutting tools like the M4x0.7 spiral flute tap. Contact us for availability and lead time; we provide the right solution for your threading needs across global industrial markets.

How to select the right spiral flute tap for steel?

Select a spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with a modified bottoming chamfer for blind holes. The OSG M4x0.7 with D4 / 4H-6H tolerance ensures accurate threads. Match the tap's flute count and coating to your application for optimal chip evacuation and tool life.

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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