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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-215330

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
1206405
Type
H2 / 2B-3B, Plug Chamfer, TiN Coated 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?

OSG spiral point taps are designed for through-hole threading in production environments. The #4-40 UNC size with TiN coating and plug chamfer is ideal for general-purpose threading in steel, aluminum, and other common materials across machining, automotive, and industrial maintenance applications.

What are the specifications of OSG spiral point tap 1206405?

The OSG spiral point tap 1206405 is #4-40 UNC, H2 / 2B-3B class of fit, with 2 flutes, plug chamfer, and TiN coated high speed steel. It is a general-purpose tap for through-hole threading, manufactured by OSG under MPN 1206405.

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

3G Electric supplies OSG spiral point taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the OSG 1206405 or any other OSG tooling for your production needs.

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

Select an OSG spiral point tap based on thread size, material, and hole type. For through holes, spiral point taps push chips ahead. The #4-40 UNC with TiN coating suits steel and aluminum. Match the class of fit (H2 / 2B-3B) to your tolerance requirements. Consult OSG technical data for optimal speeds and feeds.

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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