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OSG M18x1.5 Spiral-Flute Tap, D6 / 4H-6H, 4 Flute, Modified Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG M18x1.5 Spiral-Flute Tap, D6 / 4H-6H, 4 Flute, Modified Bottoming Chamfer

The OSG Spiral Flute Tap (M18x1.5 Metric, MPN 1746301) is a D6 / 4H-6H, 4-flute tap with a Modified Bottoming Chamfer, designed for threading steel and stainless steel. 3G Electric interprets this demand and sources…

SKU 3G-OTH-219097

Brand
OSG
Item
M18x1.5 Spiral-Flute Tap, D6 / 4H-6H, 4 Flute, Modified Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1746301
Type
D6 / 4H-6H, Modified Bottoming Chamfer
Flute
4

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (M18x1.5 Metric, MPN 1746301) is a D6 / 4H-6H, 4-flute tap with a Modified Bottoming Chamfer, designed for threading steel and stainless steel. 3G Electric interprets this demand and sources the genuine OSG product, backed by our specialist depth in industrial tooling across 14 departments.

Frequently Asked Questions

What is the OSG spiral flute tap M18x1.5 used for?

The OSG spiral flute tap M18x1.5 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise metric threads.

What are the specifications of the OSG spiral flute tap 1746301?

The OSG spiral flute tap 1746301 has a metric thread size of M18x1.5, a D6 / 4H-6H tolerance class, and 4 flutes with a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel, providing efficient chip evacuation and accurate thread formation.

Where to buy OSG taps in worldwide?

You can source OSG 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 times on the OSG spiral flute tap M18x1.5 (MPN 1746301) and other OSG tooling.

How to select the right OSG tap for steel?

To select the right OSG tap for steel, consider thread size, pitch, and hole type. For blind holes, use a spiral flute tap like the M18x1.5 with a modified bottoming chamfer. Ensure the tap's tolerance class (e.g., D6 / 4H-6H) matches your thread fit requirement. OSG taps are engineered for consistent performance in steel and stainless steel.

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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Cross-referenced by specification & description
OSG Spiral Flute Tap: M14x1.5 Metric, D6 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1745901)
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OSG Spiral Flute Tap: M14x1.5 Metric, D6 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1745901)
This OSG spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threads to be cut close to the bottom of the hole. Specifications: M16x1.5 metric thread, D6 / 4H-6H tolerance, 3 flutes
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This OSG spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threads to be cut close to the bottom of the hole. Specifications: M16x1.5 metric thread, D6 / 4H-6H tolerance, 3 flutes
OSG Spiral Flute Tap: M12x1.75 Metric, D6 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1756905)
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OSG Spiral Flute Tap: M12x1.75 Metric, D6 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1756905)
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OSG Spiral Flute Tap: M12x1.25 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1745801)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading to the bottom of the hole. The spiral flute design lifts chips upward, preventing clogging. Metric thread size M14x1.5 with D6 / 4H-6H tolerance class and 3 flutes
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading to the bottom of the hole. The spiral flute design lifts chips upward, preventing clogging. Metric thread size M14x1.5 with D6 / 4H-6H tolerance class and 3 flutes
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design lifts chips upward to prevent clogging in deep or blind holes. Features M12x1.75 metric thread, D6 / 4H-6H tolerance, 3 flutes, and bottoming chamfer
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Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design lifts chips upward to prevent clogging in deep or blind holes. Features M12x1.75 metric thread, D6 / 4H-6H tolerance, 3 flutes, and bottoming chamfer

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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 4 flutes to pull chips upward, preventing clogging. Tolerance class H6 / 2B-3B. Suitable for production tapping in general manufacturing
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 4 flutes to pull chips upward, preventing clogging. Tolerance class H6 / 2B-3B. Suitable for production tapping in general manufacturing
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a 1/4-28 UNF thread size, H4 / 2B-3B tolerance, 2 flutes, and a modified bottoming chamfer. The spiral flute design aids chip evacuation upward during threading operations
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Spiral-flute tap with 1/2"-13 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel, the spiral flute design evacuates chips upward, enabling efficient threading in applications where chip clearance is limited
OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1724308)
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OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1724308)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer for threading close to the hole bottom. The spiral flute design evacuates chips upward, preventing clogging. Suitable for general manufacturing applications requiring clean threads in blind holes
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer for threading close to the hole bottom. The spiral flute design evacuates chips upward, preventing clogging. Suitable for general manufacturing applications requiring clean threads in blind holes
Spiral-flute tap with 3 flutes and modified bottoming chamfer, tolerance H3 / 2B-3B. Designed for threading blind holes in steel and stainless steel, with chip evacuation upward. Suitable for general manufacturing applications requiring accurate threads
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