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OSG 1 1/4"-8 8UN General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 1 1/4"-8 8UN General Purpose Spiral-Flute Tap

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230635

Brand
OSG
Item
1 1/4"-8 8UN General Purpose Spiral-Flute Tap
Category
General Purpose Spiral-Flute Taps
Available to Order
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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
2247901

Technical Documents

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

Product Description

OSG General Purpose Spiral-Flute Taps.

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 spiral flute tap 2247901 used for?

The OSG spiral flute tap 2247901 is used for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 2247901?

The OSG spiral flute tap 2247901 has a thread size of 1 1/4"-8 8UN, a 2B class of fit, 4 flutes, and a modified bottoming chamfer. It is a general-purpose spiral-flute tap designed for blind-hole threading. The manufacturer part number is 2247901.

Where to buy the OSG spiral flute tap 2247901 worldwide?

You can source the OSG spiral flute tap 2247901 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 OSG tap.

How to select the correct OSG spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 2247901 because its flutes push chips out of the hole, preventing chip buildup. Ensure the tap's thread size, pitch, and chamfer type match your application. Modified bottoming chamfer allows threading close to the hole bottom.

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 general purpose spiral-flute taps. 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
General purpose spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward, preventing clogging. Suitable for steel and cast iron. Thread size: 1 1/2"-8 8UN, class of fit: 2B, 4 flutes, modified bottoming chamfer
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General purpose spiral-flute tap for threading blind holes. Spiral flute design evacuates chips upward, preventing clogging. Suitable for steel and cast iron. Thread size: 1 1/2"-8 8UN, class of fit: 2B, 4 flutes, modified bottoming chamfer
General purpose spiral-flute tap for threading blind holes. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Suitable for ferrous and non-ferrous materials
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General purpose spiral-flute tap for threading blind holes. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Suitable for ferrous and non-ferrous materials
OSG Spiral Flute Tap: 1 1/4"-7 UNC, 2B, 4 Flute, Modified Bottoming Chamfer (MPN 2247701)
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OSG Spiral Flute Tap: 1 1/4"-7 UNC, 2B, 4 Flute, Modified Bottoming Chamfer (MPN 2247701)
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OSG Spiral Flute Tap: 7/8"-9 UNC, 2B, 4 Flute, Modified Bottoming Chamfer (MPN 2244001)
General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for use in steel and stainless steel. Thread size 7/8"-14 UNF, 2B class of fit, 4 flutes, modified bottoming chamfer
OSG
General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for use in steel and stainless steel. Thread size 7/8"-14 UNF, 2B class of fit, 4 flutes, modified bottoming chamfer
General purpose spiral-flute tap for threading blind holes. Thread size 5/8"-18 UNF, 2B class of fit, 4 flutes, modified bottoming chamfer. Spiral flute design evacuates chips upward to prevent clogging. Suitable for steel and stainless steel applications
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General purpose spiral-flute tap for threading blind holes. Thread size 5/8"-18 UNF, 2B class of fit, 4 flutes, modified bottoming chamfer. Spiral flute design evacuates chips upward to prevent clogging. Suitable for steel and stainless steel applications

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This OSG spiral-flute tap is designed for threading blind holes in steel, stainless steel, and non-ferrous materials. It features a bottoming chamfer for threading close to the hole bottom, TiN coating to reduce friction and extend tool life, and 3 flutes for efficient chip evacuation. Suitable for general machining applications
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This OSG spiral-flute tap is designed for threading blind holes in steel, stainless steel, and non-ferrous materials. It features a bottoming chamfer for threading close to the hole bottom, TiN coating to reduce friction and extend tool life, and 3 flutes for efficient chip evacuation. Suitable for general machining applications
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This spiral-flute tap is designed for general-purpose threading in through or blind holes. The spiral flute geometry lifts chips upward, preventing clogging and enabling clean thread formation. With a modified bottoming chamfer, it can thread close to the bottom of a blind hole. Suitable for use in steel and aluminum
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This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a 7/16"-14 UNC thread size, 2B class fit, 3 flutes, and a modified bottoming chamfer
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This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a 7/16"-14 UNC thread size, 2B class fit, 3 flutes, and a modified bottoming chamfer
This general purpose spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design pushes chips upward, preventing clogging and ensuring clean threads. It features a plug chamfer, H2 / 2B-3B thread class, and is made of high-speed steel with 2 flutes
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This general purpose spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design pushes chips upward, preventing clogging and ensuring clean threads. It features a plug chamfer, H2 / 2B-3B thread class, and is made of high-speed steel with 2 flutes
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its 3-flute design and modified bottoming chamfer allow chips to flow upward, preventing clogging and enabling deeper thread engagement in general-purpose machining applications. The H3 / 2B-3B tolerance class accommodates standard and precision threading requirements
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, making it suitable for bottoming applications where chip clearance is critical. It features H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer for precise thread fit control
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This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, making it suitable for bottoming applications where chip clearance is critical. It features H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer for precise thread fit control
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The modified bottoming chamfer allows threading close to the bottom of the hole, while the spiral flute design efficiently evacuates chips upward, reducing the risk of tap breakage. Thread tolerance is H2 / 2B-3B
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This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The modified bottoming chamfer allows threading close to the bottom of the hole, while the spiral flute design efficiently evacuates chips upward, reducing the risk of tap breakage. Thread tolerance is H2 / 2B-3B