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OSG Spiral Flute Tap: 1 1/4"-7 UNC, 2B, 4 Flute, Modified Bottoming Chamfer (MPN 2247701) - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 1 1/4"-7 UNC, 2B, 4 Flute, Modified Bottoming Chamfer (MPN 2247701)

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230200

Brand
OSG
Item
Spiral Flute Tap: 1 1/4"-7 UNC, 2B, 4 Flute, Modified Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
Available to Order
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Worldwide Shipping
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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
2247701

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 used for?

The OSG spiral flute tap is designed for threading blind holes in materials like steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general machining applications.

What are the specifications of the OSG spiral flute tap 2247701?

The OSG spiral flute tap 2247701 has a thread size of 1 1/4"-7 UNC, a 2B class of fit, 4 flutes, and a modified bottoming chamfer. It is a general purpose tap for blind hole threading, manufactured by OSG.

Where to buy OSG spiral flute taps worldwide?

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this OSG tap.

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

For blind holes, choose a spiral flute tap like the OSG 2247701 to evacuate chips upward. Match the thread size (e.g., 1 1/4"-7 UNC), class of fit (2B), and chamfer type (modified bottoming) to your application. Consult OSG's technical data for material-specific recommendations.

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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Cross-referenced by specification & description
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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
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General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for through-hole and blind-hole threading in various materials

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This OSG spiral-flute tap is designed for threading blind holes in steel and aluminum. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for through-hole or deep-hole applications where chip evacuation is critical. The D4 / 4H-6H tolerance class provides precise thread fit for general-purpose threading
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This OSG spiral-flute tap is designed for threading blind holes in steel and cast iron. It features a bottoming chamfer and 4 flutes to evacuate chips upward. Made from high-speed steel, it is rated H3 / 2B-3B for class 2B or 3B fit. Suitable for general-purpose tapping in machining and maintenance applications
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