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

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

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

SKU 3G-OTH-313182

Brand
OSG
Item
Spiral-Point Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension 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
1765001

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 1765001 used for?

The OSG Extension Tap 1765001 is a spiral-point extension tap designed for threading blind or through holes in steel and stainless steel. Its 3-flute, plug chamfer design reduces torque and improves chip evacuation, making it suitable for production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Extension Tap 1765001?

The OSG Extension Tap 1765001 has a 1/4"-20 UNC thread size, H3 / 2B-3B tolerance class, 3-flute design, and plug chamfer. It is a spiral-point extension tap for steel and stainless steel. The manufacturer part number is 1765001.

Where to buy the OSG Extension Tap 1765001 worldwide?

You can source the OSG Extension Tap 1765001 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG taps.

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., 1/4"-20 UNC), tolerance class (H3 / 2B-3B), and chamfer type (plug for blind holes) to your application. Spiral-point taps push chips forward, ideal for through holes. Confirm material compatibility with OSG's recommendations for 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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