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OSG Extension Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point Extension Taps for Steel & Stainless Steel
OSGSpiral-Point Extension Taps for Steel & Stainless Steel

OSG Extension Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute

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

SKU 3G-OTH-313190

Brand
OSG
Item
Extension Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point Extension Taps for Steel & Stainless Steel
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1765801

Technical Documents

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

Product Description

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

Frequently Asked Questions

What is the OSG Extension Tap 1765801 used for?

The OSG Extension Tap 1765801 is a spiral-point tap designed for threading blind or through holes in steel and stainless steel. Its extended reach allows access to deep or recessed areas. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise UNF threads.

What are the specifications of the OSG Extension Tap 1765801?

The OSG Extension Tap 1765801 has a thread size of 3/8"-24 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes and a plug chamfer. The spiral-point design helps push chips forward, making it suitable for through-hole threading in steel and stainless steel.

Where to buy the OSG Extension Tap 1765801 worldwide?

3G Electric supplies the OSG Extension Tap 1765801 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this tap to support your threading operations.

How to select the correct OSG extension tap for steel?

To select the correct OSG extension tap for steel, match the thread size (e.g., 3/8"-24 UNF) and tolerance class (H3 / 2B-3B) to your application. For through holes, choose a spiral-point tap with plug chamfer. Ensure the tap length reaches the threading depth. OSG taps are engineered for consistent performance in steel and stainless steel.

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-point 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Extension Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765701)
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OSG Extension Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765701)
OSG Extension Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765901)
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OSG Extension Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1766001)
OSG Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765001)
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OSG Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765001)
OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765201)
OSG
OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765201)
OSG Extension Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765301)
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OSG Extension Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1765301)

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