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OSG Straight Flute Tap: 1/4"-28 UNF, 2B+, 4 Flute, Plug Chamfer - Oversized Hand Taps
OSGOversized Hand Taps

OSG Straight Flute Tap: 1/4"-28 UNF, 2B+, 4 Flute, Plug Chamfer

The OSG Straight Flute Tap (1/4"-28 UNF) is an oversized hand tap with a 2B+ tolerance, plug chamfer, and black oxide high-speed steel construction. It features 4 flutes and is identified by manufacturer part number…

SKU 3G-OTH-272774

Brand
OSG
Item
Straight Flute Tap: 1/4"-28 UNF, 2B+, 4 Flute, Plug Chamfer
Category
Oversized Hand Taps
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Technical Specifications

OSG
Manufacturer Part Number
1590301
Type
2B+, Plug Chamfer, Black Oxide High Speed Steel
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Straight Flute Tap (1/4"-28 UNF) is an oversized hand tap with a 2B+ tolerance, plug chamfer, and black oxide high-speed steel construction. It features 4 flutes and is identified by manufacturer part number 1590301.

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 Straight Flute Tap 1590301 used for?

The OSG Straight Flute Tap 1590301 is used for cutting internal threads in metal components. It is ideal for general-purpose threading in production and maintenance applications, particularly in automotive, aerospace, and industrial manufacturing where precise UNF threads are required.

What are the specifications of the OSG Straight Flute Tap 1590301?

The OSG Straight Flute Tap 1590301 has a thread size of 1/4"-28 UNF, a 2B+ tolerance class, 4 flutes, a plug chamfer, and a black oxide finish on high speed steel. It is an oversized hand tap designed for threading operations requiring precise fit.

Where to buy the OSG Straight Flute Tap 1590301 worldwide?

You can source the OSG Straight Flute Tap 1590301 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your threading needs.

How to select the correct OSG Straight Flute Tap for UNF threads?

To select the correct OSG Straight Flute Tap for UNF threads, match the tap's thread size and pitch to your application's requirements. For 1/4"-28 UNF, use a plug chamfer tap for through holes or blind holes with sufficient depth. Ensure the tap's tolerance class (2B+) aligns with your desired thread fit.

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 hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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