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OSG Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute

The OSG Spiral Flute Tap (M8x1.25 Metric, MPN 1756301) is a D5 / 4H-6H class tap with a modified bottoming chamfer and 3 flutes, designed for threading steel and stainless steel. 3G Electric interprets demand and…

SKU 3G-OTH-217964

Brand
OSG
Item
Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1756301
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 (M8x1.25 Metric, MPN 1756301) is a D5 / 4H-6H class tap with a modified bottoming chamfer and 3 flutes, designed for threading steel and stainless steel. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps and controls as a trust anchor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the OSG Spiral Flute Tap M8x1.25 used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, making it ideal for deep or blind-hole tapping. The modified bottoming chamfer allows threading close to the hole bottom, common in automotive and general manufacturing applications.

What are the specifications of the OSG Spiral Flute Tap 1756301?

The OSG tap has a metric M8x1.25 thread size, a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. It is a spiral flute tap designed for steel and stainless steel. The manufacturer part number is 1756301. These specs ensure precise thread fit and chip evacuation in blind-hole applications.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the M8x1.25 spiral flute tap worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver genuine OSG tooling to any country.

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

Select based on thread size (M8x1.25), material (steel or stainless steel), and hole type (blind vs through). For blind holes, a spiral flute tap with modified bottoming chamfer, like this OSG D5 / 4H-6H, is recommended. Ensure the tap tolerance matches your required thread class. Consult OSG technical data for optimal speeds and feeds.

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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