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OSG Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute - Spiral-Flute Extension Taps for Steel & Stainless Steel
OSGSpiral-Flute Extension Taps for Steel & Stainless Steel

OSG Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute

OSG Spiral-Flute Extension Taps for Steel & Stainless Steel.

SKU 3G-OTH-315331

Brand
OSG
Item
Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute Extension Taps for Steel & Stainless Steel
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Technical specs
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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
0144101

Technical Documents

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

Product Description

OSG Spiral-Flute Extension Taps for Steel & 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 Extension Tap 0144101 used for?

The OSG Extension Tap 0144101 is designed for threading blind holes in steel and stainless steel. Its spiral-flute design and bottoming chamfer allow chip evacuation and full threading to the bottom of the hole, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Extension Tap 0144101?

The OSG Extension Tap 0144101 has a 1/4"-20 UNC thread size, H3 / 2B-3B tolerance, 3-flute design, and bottoming chamfer. It is a spiral-flute extension tap for steel and stainless steel. The manufacturer part number is 0144101.

Where to buy the OSG Extension Tap 0144101 worldwide?

3G Electric supplies the OSG Extension Tap 0144101 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG extension tap for steel?

Select an OSG extension tap based on thread size, tolerance class, and material. For steel and stainless steel, use a spiral-flute tap with bottoming chamfer for blind holes. The 0144101 is a 1/4"-20 UNC tap with H3 / 2B-3B tolerance, suitable for these materials.

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 extension 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
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This OSG spiral-flute extension tap is designed for threading deep or hard-to-reach holes in steel and stainless steel. It features a #4-40 UNC thread size, H2 / 2B-3B thread limit, 3 flutes, and a modified bottoming chamfer. The extended reach and spiral-flute design facilitate chip evacuation in demanding threading applications
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This spiral-flute extension tap is designed for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward to prevent clogging, and the modified bottoming chamfer allows threading close to the hole bottom. Suitable for automotive, aerospace, and general manufacturing applications
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