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OSG Spiral Flute Tap: M7x1 Metric, D5 / 4H-6H, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: M7x1 Metric, D5 / 4H-6H, 3 Flute

The OSG Spiral Flute Tap (M7x1 Metric, MPN 2991101) is a general-purpose spiral-flute tap with a D5 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading operations…

SKU 3G-OTH-230290

Brand
OSG
Item
Spiral Flute Tap: M7x1 Metric, D5 / 4H-6H, 3 Flute
Category
General Purpose Spiral-Flute Taps
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
2991101
Type
D5 / 4H-6H, Modified Bottoming Chamfer
Flute
3

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

Product Description

The OSG Spiral Flute Tap (M7x1 Metric, MPN 2991101) is a general-purpose spiral-flute tap with a D5 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading operations requiring precise metric thread formation.

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 materials such as steel, stainless steel, and aluminum. The spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This M7x1 metric tap with a modified bottoming chamfer is ideal for threading close to the bottom of a hole.

What are the specifications of the OSG spiral flute tap M7x1?

This OSG tap has a metric thread size of M7x1, a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. The 4H-6H tolerance ensures precise thread fit for general-purpose applications. The manufacturer part number is 2991101.

Where to buy OSG taps in worldwide?

3G Electric supplies and delivers OSG taps worldwide. We handle full logistics and customs clearance, ensuring your order reaches any global destination. As a sourcing partner, we provide genuine OSG cutting tools like the M7x1 spiral flute tap (MPN 2991101) for industrial threading applications.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG M7x1 with a modified bottoming chamfer. The spiral flutes evacuate chips upward, preventing breakage. Ensure the tap's tolerance (D5 / 4H-6H) matches your thread class requirement. Always use appropriate cutting fluid and follow manufacturer speed/feed recommendations.

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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Metric spiral-flute tap with M14x2 thread, D7 / 4H-6H tolerance, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in ferrous and non-ferrous materials, with spiral flutes that evacuate chips upward to prevent clogging. Suitable for general-purpose tapping applications
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General purpose spiral-flute tap for threading blind holes. M10x1 metric thread, D5 / 4H-6H tolerance class, 3 flutes, modified bottoming chamfer. Designed for chip evacuation in steel and cast iron

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