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OSG Oversized Spiral-Point Tap 1/4"-20 UNC 2B+ 2 Flute Plug Chamfer HSS - Oversized Spiral-Point Taps
OSGOversized Spiral-Point Taps

OSG Oversized Spiral-Point Tap 1/4"-20 UNC 2B+ 2 Flute Plug Chamfer HSS

OSG Oversized Spiral-Point Taps.

SKU 3G-OTH-251337

Brand
OSG
Item
Oversized Spiral-Point Tap 1/4"-20 UNC 2B+ 2 Flute Plug Chamfer HSS
Category
Oversized Spiral-Point 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
1590000

Technical Documents

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

Product Description

OSG Oversized Spiral-Point 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 Point Tap 1/4"-20 UNC used for?

The OSG Spiral Point Tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point design pushes chips forward, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.

What are the specifications of the OSG Spiral Point Tap 1/4"-20 UNC?

This OSG tap has a 1/4"-20 UNC thread size, 2B+ tolerance class, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is an oversized spiral-point tap. The manufacturer part number is 1590000.

Where to buy OSG Spiral Point Tap 1/4"-20 UNC worldwide?

3G Electric supplies the OSG Spiral Point Tap 1/4"-20 UNC (MPN 1590000) worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG Spiral Point Tap for through-hole threading?

For through-hole threading, choose a spiral-point tap like this OSG model. Ensure the tap size matches your hole diameter and thread class (e.g., 2B+). Use proper cutting fluid and speed per material. For oversized threads, confirm the tap's tolerance class meets your requirements.

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 oversized spiral-point 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
This OSG spiral-point tap is designed for threading through holes in metal, particularly in production environments. Its 2B+ oversized tolerance allows for controlled thread depth after coating or plating. The plug chamfer and two-flute design efficiently push chips forward, making it suitable for high-speed tapping in steel and aluminum
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This OSG spiral-point tap is designed for threading through holes in metal, particularly in production environments. Its 2B+ oversized tolerance allows for controlled thread depth after coating or plating. The plug chamfer and two-flute design efficiently push chips forward, making it suitable for high-speed tapping in steel and aluminum
Spiral-point tap designed for through-hole threading in metalworking. The spiral point pushes chips forward to prevent clogging, enabling efficient thread cutting. Made from high-speed steel with a plug chamfer and 2 flutes. Oversized for tighter thread fits
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Spiral-point tap designed for through-hole threading in metalworking. The spiral point pushes chips forward to prevent clogging, enabling efficient thread cutting. Made from high-speed steel with a plug chamfer and 2 flutes. Oversized for tighter thread fits
This OSG oversized spiral-point tap is designed for threading through-holes in metal. It features a 3/8"-16 UNC thread size, 2B+ class of fit, 3 flutes, and a plug chamfer. Constructed from high-speed steel (HSS), the spiral-point design pushes chips forward to reduce clogging and improve thread quality in production environments
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This OSG oversized spiral-point tap is designed for threading through-holes in metal. It features a 3/8"-16 UNC thread size, 2B+ class of fit, 3 flutes, and a plug chamfer. Constructed from high-speed steel (HSS), the spiral-point design pushes chips forward to reduce clogging and improve thread quality in production environments
Spiral-point tap for threading through-holes in metal. Features a 5/16"-24 UNF thread size, 2B+ tolerance class, 2 flutes, plug chamfer, and high-speed steel construction. The spiral-point design pushes chips forward to reduce clogging. Suitable for production environments requiring precise UNF threads
OSG
Spiral-point tap for threading through-holes in metal. Features a 5/16"-24 UNF thread size, 2B+ tolerance class, 2 flutes, plug chamfer, and high-speed steel construction. The spiral-point design pushes chips forward to reduce clogging. Suitable for production environments requiring precise UNF threads
This OSG oversized spiral-point tap is designed for threading through-holes in metalwork. It features a 3/4"-10 UNC thread size, 2B+ tolerance class, 3 flutes, and a plug chamfer. Made from high-speed steel (HSS), the spiral-point design pushes chips ahead to reduce clogging and improve thread quality
OSG
This OSG oversized spiral-point tap is designed for threading through-holes in metalwork. It features a 3/4"-10 UNC thread size, 2B+ tolerance class, 3 flutes, and a plug chamfer. Made from high-speed steel (HSS), the spiral-point design pushes chips ahead to reduce clogging and improve thread quality
High-speed steel spiral-point tap with 5/8"-11 UNC thread, 2B+ tolerance, 3 flutes, and plug chamfer. The 2B+ class provides a slightly oversized pitch diameter for improved thread fit. Designed for through-hole threading, the spiral point pushes chips forward to prevent clogging and enable faster cycles in materials such as steel and aluminum
OSG
High-speed steel spiral-point tap with 5/8"-11 UNC thread, 2B+ tolerance, 3 flutes, and plug chamfer. The 2B+ class provides a slightly oversized pitch diameter for improved thread fit. Designed for through-hole threading, the spiral point pushes chips forward to prevent clogging and enable faster cycles in materials such as steel and aluminum

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Oversized spiral-point tap for through-hole threading, with 2B+ tolerance for tighter thread fit. Constructed from black oxide high-speed steel with a plug chamfer and 3 flutes. The spiral-point geometry pushes chips forward, reducing clogging in production tapping of steel and aluminum
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Oversized spiral-point tap for through-hole threading, with 2B+ tolerance for tighter thread fit. Constructed from black oxide high-speed steel with a plug chamfer and 3 flutes. The spiral-point geometry pushes chips forward, reducing clogging in production tapping of steel and aluminum
This OSG spiral-point tap is designed for through-hole threading in production machining. It features a #10-32 UNF thread size with a 2B+ oversized thread class, 2 flutes, and a plug chamfer. Made from high-speed steel (HSS), it pushes chips forward during tapping to prevent clogging and enable faster cycles in materials such as steel and aluminum
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This OSG spiral-point tap is designed for through-hole threading in production machining. It features a #10-32 UNF thread size with a 2B+ oversized thread class, 2 flutes, and a plug chamfer. Made from high-speed steel (HSS), it pushes chips forward during tapping to prevent clogging and enable faster cycles in materials such as steel and aluminum
Oversized spiral-point tap for through-hole threading. H11 tolerance, plug chamfer, black oxide vanadium high-speed steel, 3 flutes. Designed to push chips ahead, reducing clogging in production threading applications
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Oversized spiral-point tap for through-hole threading. H11 tolerance, plug chamfer, black oxide vanadium high-speed steel, 3 flutes. Designed to push chips ahead, reducing clogging in production threading applications
Oversized spiral-point tap for through-hole threading, with 2B+ tolerance for slightly larger thread diameter. Features TiCN-coated high-speed steel, plug chamfer, and 3-flute design. Suitable for production tapping in steel and alloys
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Oversized spiral-point tap for through-hole threading, with 2B+ tolerance for slightly larger thread diameter. Features TiCN-coated high-speed steel, plug chamfer, and 3-flute design. Suitable for production tapping in steel and alloys
Oversized spiral-point tap for through-hole threading. Features a 2B+ thread class to accommodate plating or coating buildup. Made from TiCN-coated high-speed steel with a plug chamfer and 2-flute design. Suitable for production tapping in steel and aluminum
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Oversized spiral-point tap for through-hole threading. Features a 2B+ thread class to accommodate plating or coating buildup. Made from TiCN-coated high-speed steel with a plug chamfer and 2-flute design. Suitable for production tapping in steel and aluminum
This OSG spiral-point tap is designed for through-hole threading in metalworking. It features a 1/2"-20 UNF thread with 2B+ tolerance for slightly oversized threads, 3 flutes, and a plug chamfer. Made from high-speed steel, it is suited for high-speed production tapping in materials such as steel and aluminum
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This OSG spiral-point tap is designed for through-hole threading in metalworking. It features a 1/2"-20 UNF thread with 2B+ tolerance for slightly oversized threads, 3 flutes, and a plug chamfer. Made from high-speed steel, it is suited for high-speed production tapping in materials such as steel and aluminum
OSG oversized spiral-point tap with M7x1 metric thread, D11 oversize, plug chamfer, and 3 flutes. Constructed from black oxide vanadium high-speed steel. Designed for through-hole threading in production environments, the spiral point pushes chips ahead to prevent clogging and enable efficient thread formation in materials such as steel and aluminum
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OSG oversized spiral-point tap with M7x1 metric thread, D11 oversize, plug chamfer, and 3 flutes. Constructed from black oxide vanadium high-speed steel. Designed for through-hole threading in production environments, the spiral point pushes chips ahead to prevent clogging and enable efficient thread formation in materials such as steel and aluminum
This OSG oversized spiral-point tap features 5/16"-18 UNC thread, H11 tolerance, 3 flutes, and a plug chamfer. Designed for through-hole threading, its spiral point pushes chips ahead to prevent clogging, enabling efficient tapping in materials such as steel, aluminum, and cast iron. Suitable for production machining in general manufacturing applications
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This OSG oversized spiral-point tap features 5/16"-18 UNC thread, H11 tolerance, 3 flutes, and a plug chamfer. Designed for through-hole threading, its spiral point pushes chips ahead to prevent clogging, enabling efficient tapping in materials such as steel, aluminum, and cast iron. Suitable for production machining in general manufacturing applications