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OSG Spiral Flute Tap: M2.5x0.35 Metric, D3 / 4H-6H, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: M2.5x0.35 Metric, D3 / 4H-6H, 2 Flute

The OSG Spiral Flute Tap is a metric M2.5x0.35 spiral-flute tap for steel and stainless steel, featuring a D3 / 4H-6H tolerance class, 2-flute design, and modified bottoming chamfer (MPN 1650003808).

SKU 3G-OTH-218731

Brand
OSG
Item
Spiral Flute Tap: M2.5x0.35 Metric, D3 / 4H-6H, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650003808
Type
D3 / 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 is a metric M2.5x0.35 spiral-flute tap for steel and stainless steel, featuring a D3 / 4H-6H tolerance class, 2-flute design, and modified bottoming chamfer (MPN 1650003808).

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 the OSG spiral flute tap M2.5x0.35 used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is ideal for precision tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap M2.5x0.35?

The OSG spiral flute tap has a metric thread size of M2.5x0.35, a 2-flute design, and a modified bottoming chamfer. It features a D3 / 4H-6H tolerance class for precise fit. The manufacturer part number is 1650003808. This tap is intended for use in steel and stainless steel materials.

Where to buy OSG spiral flute taps worldwide?

You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG M2.5x0.35 spiral flute tap (MPN 1650003808) and other OSG tooling.

How to select the correct OSG spiral flute tap for steel?

To select the correct OSG spiral flute tap for steel, match the thread size (e.g., M2.5x0.35) and tolerance class (e.g., D3 / 4H-6H) to your application. Use a spiral flute design for blind holes to evacuate chips. Ensure the tap material and coating are suitable for steel or stainless steel. Consult OSG's technical data for optimal performance.

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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