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OSG #4-40 UNC General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG #4-40 UNC General Purpose Spiral-Point Tap

The OSG Spiral Point Tap (#4-40 UNC, MPN 2511401) is a general purpose spiral-point tap with a 2B thread class, plug chamfer, and 2-flute design, made from black oxide vanadium high speed steel. 3G Electric…

SKU 3G-OTH-215368

Brand
OSG
Item
#4-40 UNC General Purpose Spiral-Point Tap
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
2511401
Type
2B, Plug Chamfer, Black Oxide Vanadium High Speed Steel
Flute
2

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

Product Description

The OSG Spiral Point Tap (#4-40 UNC, MPN 2511401) is a general purpose spiral-point tap with a 2B thread class, plug chamfer, and 2-flute design, made from black oxide vanadium high speed steel. 3G Electric interprets this demand and sources the genuine OSG tap, providing a single point of accountability across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is the OSG spiral point tap #4-40 UNC used for?

The OSG spiral point tap #4-40 UNC is used for threading through holes in metal and other materials. Its spiral point design pushes chips ahead, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where precise internal threads are required.

What are the specifications of the OSG spiral point tap #4-40 UNC?

The OSG spiral point tap has a #4-40 UNC thread size, 2B class of fit, 2 flutes, and a plug chamfer. It is made from black oxide vanadium high-speed steel. The manufacturer part number is 2511401. This tap is designed for general-purpose threading in through-hole applications.

Where to buy OSG spiral point taps worldwide?

You can source OSG spiral point taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times. We supply genuine OSG taps for manufacturing and maintenance needs.

How to select the right OSG spiral point tap for my application?

To select the right OSG spiral point tap, match the thread size (e.g., #4-40 UNC), class of fit (2B), and chamfer type (plug) to your hole requirements. Use spiral point taps for through holes to push chips forward. Consider material hardness; vanadium high-speed steel suits general-purpose threading in steel and alloys.

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-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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