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OSG 1/4"-28 UNF Spiral-Flute Tap for Steel & Stainless Steel - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG 1/4"-28 UNF Spiral-Flute Tap for Steel & Stainless Steel

The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 1732705) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand for…

SKU 3G-OTH-218831

Brand
OSG
Item
1/4"-28 UNF Spiral-Flute Tap for Steel & Stainless Steel
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
1732705
Type
H3 / 2B-3B, Modified Bottoming Chamfer
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 1732705) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand for this precision tool, sourcing it from our global network across 14 industrial departments — with specialist depth in cutting tools and controls — to deliver the right solution with accountability.

Frequently Asked Questions

What is the OSG spiral flute tap 1732705 used for?

The OSG spiral flute tap 1732705 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 commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 1732705?

The OSG spiral flute tap 1732705 has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The manufacturer part number is 1732705.

Where to buy OSG spiral flute tap 1732705 worldwide?

You can source the OSG spiral flute tap 1732705 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG tooling for your manufacturing needs.

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

Select an OSG spiral flute tap based on thread size, tolerance class, and material. For steel and stainless steel blind holes, use a modified bottoming chamfer tap like the 1732705. Ensure the tap's H3 / 2B-3B tolerance matches your required thread fit. Always use appropriate cutting fluid and follow OSG's recommended 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Flute Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1763701)
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OSG Spiral Flute Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1763701)
Spiral-flute tap for threading blind holes in steel and stainless steel. Thread size 1/4"-28 UNF, tolerance H2 / 2B-3B, 3 flutes, modified bottoming chamfer. Chip evacuation upward prevents clogging, allowing threading close to hole bottom
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Spiral-flute tap for threading blind holes in steel and stainless steel. Thread size 1/4"-28 UNF, tolerance H2 / 2B-3B, 3 flutes, modified bottoming chamfer. Chip evacuation upward prevents clogging, allowing threading close to hole bottom
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes and a modified bottoming chamfer for threading close to the hole bottom. Tolerance H3 / 2B-3B. Thread size 1/4"-20 UNC
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes and a modified bottoming chamfer for threading close to the hole bottom. Tolerance H3 / 2B-3B. Thread size 1/4"-20 UNC
OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722708)
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OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722708)
OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645014283)
OSG
OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645014283)
OSG Spiral Flute Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1703808)
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OSG Spiral Flute Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1703808)

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Spiral-flute tap with 3 flutes, H7 / 2B-3B tolerance, and modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Suitable for general manufacturing applications requiring UNF threads
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