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OSG 1/2"-13 UNC Spiral-Flute Extension Tap - Spiral-Flute Extension Taps for Steel & Stainless Steel
OSGSpiral-Flute Extension Taps for Steel & Stainless Steel

OSG 1/2"-13 UNC Spiral-Flute Extension Tap

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

SKU 3G-OTH-315320

Brand
OSG
Item
1/2"-13 UNC Spiral-Flute Extension Tap
Category
Spiral-Flute Extension Taps for Steel & Stainless Steel
Available to Order
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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
1769101

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 1769101 used for?

The OSG Extension Tap 1769101 is designed for threading blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, preventing clogging, while the extended reach allows access to deep or recessed areas. Common applications include automotive, aerospace, and general manufacturing where precise internal threads are required.

What are the specifications of the OSG Extension Tap 1769101?

This OSG tap has a 1/2"-13 UNC thread size with an H3 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The spiral-flute design is optimized for steel and stainless steel. The manufacturer part number is 1769101.

Where to buy the OSG Extension Tap 1769101 worldwide?

You can source the OSG Extension Tap 1769101 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; we supply genuine OSG taps for international procurement needs.

How to select the correct OSG extension tap for steel?

Select an OSG extension tap based on thread size, pitch, and material. For steel and stainless steel, choose a spiral-flute design like the 1769101 to manage chip evacuation in blind holes. Verify the thread class (e.g., H3 / 2B-3B) matches your required fit. Ensure the tap's reach is sufficient for the hole depth.

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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This spiral-flute extension tap is designed for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward, facilitating deep-hole tapping. The modified bottoming chamfer allows threading close to the hole bottom. Thread size: 1/2"-20 UNF, tolerance H3 / 2B-3B, 3 flutes
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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, facilitating deep-hole tapping. The modified bottoming chamfer allows threading close to the hole bottom. Thread size: 1/2"-20 UNF, tolerance H3 / 2B-3B, 3 flutes
This OSG spiral-flute extension tap is designed for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, and 3 flutes
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This OSG spiral-flute extension tap is designed for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, and 3 flutes
This spiral-flute extension tap is designed for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing 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, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications
Spiral-flute extension tap for threading blind holes in steel and stainless steel. Thread size 3/8"-16 UNC with H3 / 2B-3B tolerance class. 3-flute design with modified bottoming chamfer for threading close to hole bottom. Extended length provides access to deep or recessed areas
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Spiral-flute extension tap for threading blind holes in steel and stainless steel. Thread size 3/8"-16 UNC with H3 / 2B-3B tolerance class. 3-flute design with modified bottoming chamfer for threading close to hole bottom. Extended length provides access to deep or recessed areas
Spiral-flute extension tap for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward, enabling deep-hole tapping. Modified bottoming chamfer allows threading close to the hole bottom. Thread size 7/16"-20 UNF, H3 / 2B-3B limit, 3 flutes
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Spiral-flute extension tap for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward, enabling deep-hole tapping. Modified bottoming chamfer allows threading close to the hole bottom. Thread size 7/16"-20 UNF, H3 / 2B-3B limit, 3 flutes
OSG Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1767901)
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OSG Extension Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1767901)

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Spiral-flute extension tap for threading blind holes in steel and stainless steel. Features a 3/8"-16 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. Extended length allows access to deep cavities
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This OSG extension tap is designed for threading #10-32 UNF holes in steel and stainless steel. Its spiral-flute design and bottoming chamfer make it suitable for blind-hole applications where chip evacuation is critical. Commonly used in automotive, aerospace, and general manufacturing
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