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OSG Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1723308). 3G Electric interprets this…

SKU 3G-OTH-219100

Brand
OSG
Item
Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute
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
1723308
Type
H5 / 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 (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1723308). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the OSG spiral flute tap 1723308 used for?

The OSG spiral flute tap 1723308 is designed for threading steel and stainless steel. Its modified bottoming chamfer and 3-flute geometry efficiently evacuate chips, making it ideal for through-hole and blind-hole applications in industrial machining, automotive, and aerospace manufacturing.

What are the specifications of the OSG tap 1723308?

This OSG tap has a thread size of 7/16"-20 UNF, with an H5 tolerance for 2B-3B class fit. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1723308. It is a spiral flute tap optimized for steel and stainless steel threading.

Where to buy OSG spiral flute tap 1723308 worldwide?

3G Electric supplies the OSG spiral flute tap 1723308 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source genuine OSG taps for industrial applications across multiple sectors.

How to select the right OSG tap for steel threading?

For steel threading, choose a spiral flute tap like the OSG 1723308 for blind holes, as it pushes chips upward. Match the thread size (e.g., 7/16"-20 UNF) and tolerance (H5 for 2B-3B fit) to your application. Use proper cutting fluid and speed to extend tool life.

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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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer for threading close to hole bottoms. The spiral flute design evacuates chips upward to prevent clogging. Thread size: 7/16"-14 UNC, tolerance H5 for class 2B-3B fit, 3 flutes
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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 hole bottoms. The spiral flute design evacuates chips upward to prevent clogging. Thread size: 7/16"-14 UNC, tolerance H5 for class 2B-3B fit, 3 flutes
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer for threading close to hole bottoms. 3-flute design with H5 tolerance for 2B-3B fit. Thread size: 5/16"-18 UNC
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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 hole bottoms. 3-flute design with H5 tolerance for 2B-3B fit. Thread size: 5/16"-18 UNC

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