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OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer

SKU 3G-OTH-215120

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1605401
Type
H2 / 2B-3B, Plug Chamfer, Black Oxide High Speed Steel
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

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

This OSG spiral point tap is used for through-hole threading in metalworking. Its plug chamfer and 2-flute design push chips forward, making it ideal for production tapping in steel, aluminum, and alloys. 3G Electric supplies this tap across 14 industrial departments, including machining and tooling.

What are the specifications of OSG tap MPN 1605401?

The OSG tap MPN 1605401 is a #4-40 UNC spiral point tap with H2 / 2B-3B tolerance, 2 flutes, plug chamfer, and black oxide high-speed steel construction. It is designed for general-purpose through-hole threading. 3G Electric sources this genuine OSG tool for global delivery.

Where to buy OSG #4-40 UNC tap in worldwide?

3G Electric supplies the OSG #4-40 UNC spiral point tap (MPN 1605401) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine OSG threading tool.

How to select the right spiral point tap for through holes?

For through holes, choose a spiral point tap like this OSG #4-40 UNC with plug chamfer and 2 flutes. It pushes chips ahead, reducing clogging. Match tap tolerance (H2 / 2B-3B) to your thread class. 3G Electric can help you select the correct tap for your material and application.

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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