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OSG Pipe and Conduit Thread Tap: 1/2"-14 NPT, 4 Flute, Black Oxide Cobalt (MPN 1735501) - Spiral-Flute Pipe Taps for Stainless Steel
OSGSpiral-Flute Pipe Taps for Stainless Steel

OSG Pipe and Conduit Thread Tap: 1/2"-14 NPT, 4 Flute, Black Oxide Cobalt (MPN 1735501)

OSG Spiral-Flute Pipe Taps for Stainless Steel.

SKU 3G-OTH-271060

Brand
OSG
Item
Pipe and Conduit Thread Tap: 1/2"-14 NPT, 4 Flute, Black Oxide Cobalt
Category
Spiral-Flute Pipe Taps for 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
1735501

Technical Documents

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

Product Description

OSG Spiral-Flute Pipe Taps for Stainless Steel.

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 1735501 pipe tap used for?

The OSG 1735501 is a spiral-flute pipe tap designed for threading stainless steel and other tough materials. It creates 1/2"-14 NPT threads in pipe and conduit applications, commonly used in industrial plumbing, hydraulic systems, and instrumentation where corrosion resistance and thread integrity are critical.

What are the specifications of the OSG 1735501 pipe tap?

The OSG 1735501 is a 1/2"-14 NPT spiral-flute pipe tap with 4 flutes, made from black oxide cobalt for heat resistance and durability. It is designed for threading stainless steel and other hard materials. The manufacturer part number is 1735501.

Where to buy the OSG 1735501 pipe tap worldwide?

3G Electric supplies the OSG 1735501 pipe tap to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other OSG threading tools.

How to select the right pipe tap for stainless steel?

For stainless steel, choose a spiral-flute tap like the OSG 1735501 to clear chips and reduce torque. Ensure the tap matches the thread size (1/2"-14 NPT) and material (black oxide cobalt for heat resistance). Use proper cutting fluid and follow manufacturer speed/feed recommendations for best results.

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 pipe taps for 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
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. The spiral flute design evacuates chips upward, suitable for blind-hole applications. Thread size 1/2"-20 UNF, tolerance H4 / 2B-3B, 4-flute design
Spiral-flute STI tap for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. Features M14x2 metric thread size, D5 / 4H-6H tolerance class, and 4-flute design. Suitable for general manufacturing applications requiring strong, wear-resistant threads
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. Features M14x2 metric thread size, D5 / 4H-6H tolerance class, and 4-flute design. Suitable for general manufacturing applications requiring strong, wear-resistant threads
This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. The spiral-flute geometry efficiently evacuates chips upward, making it suitable for blind-hole applications. With a 5/8"-18 UNF thread size and H4 tolerance, it produces threads that meet 2B-3B class fit for STI inserts
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This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. The spiral-flute geometry efficiently evacuates chips upward, making it suitable for blind-hole applications. With a 5/8"-18 UNF thread size and H4 tolerance, it produces threads that meet 2B-3B class fit for STI inserts

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