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OSG Spiral Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (1/2"-13 UNC, MPN 1733405) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for…

SKU 3G-OTH-218837

Brand
OSG
Item
Spiral Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
1733405
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 (1/2"-13 UNC, MPN 1733405) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading blind holes in demanding materials.

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 1/2"-13 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for CNC and manual tapping applications where chip clearance is critical.

What are the specifications of the OSG tap MPN 1733405?

The OSG spiral flute tap MPN 1733405 has a 1/2"-13 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel, ensuring precise fit and reliable performance in industrial machining.

Where to buy OSG taps like 1733405 worldwide?

3G Electric supplies OSG taps such as MPN 1733405 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine OSG cutting tools for your threading operations, regardless of your location.

How to select the right OSG tap for steel threading?

For steel threading, choose a tap with the correct thread size (e.g., 1/2"-13 UNC), tolerance class (H3 / 2B-3B), and flute design. OSG spiral flute taps are ideal for blind holes in steel and stainless steel, as they pull chips out of the hole, reducing breakage risk.

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: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1733805)
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OSG Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1733805)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer for threading close to the hole bottom. 3-flute design lifts chips upward to prevent clogging. Tolerance H3 / 2B-3B. Suitable for automotive, aerospace, and general manufacturing applications requiring precise UNC threads
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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. 3-flute design lifts chips upward to prevent clogging. Tolerance H3 / 2B-3B. Suitable for automotive, aerospace, and general manufacturing applications requiring precise UNC threads
OSG Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1749108)
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OSG Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1749105)
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OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1733205)
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OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1733205)
OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1749901)
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OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1749901)

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