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OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer (MPN 2816401) - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer (MPN 2816401)

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-216243

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer
Category
General Purpose 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
2816401

Technical Documents

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

Product Description

OSG General Purpose 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 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 is common in precision machining, automotive, and electronics assembly. The spiral point design pushes chips forward, reducing clogging and improving thread quality in ferrous and non-ferrous materials.

What are the specifications of OSG tap 2816401?

The OSG spiral point tap MPN 2816401 is #4-40 UNC, H5 / 2B tolerance, with 2 flutes and a plug chamfer. It is a general-purpose tap for through-hole threading. OSG is a leading brand in cutting tools, and 3G Electric supplies this tap along with other OSG tooling globally.

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

3G Electric supplies OSG spiral point taps, including MPN 2816401, to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this #4-40 UNC tap. We source genuine OSG tooling for industrial applications.

How to select the correct tap for #4-40 UNC threads?

For #4-40 UNC threads, choose a tap with the correct thread class (H5/2B) and chamfer type. Spiral point taps are best for through holes; spiral flute taps are for blind holes. Ensure the tap matches the material being threaded. OSG taps are a reliable choice for precision threading.

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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Cross-referenced by specification & description
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This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. With a 1 1/8"-7 UNC thread size, H6 / 2B-3B tolerance, 4 flutes, and plug chamfer, it is suited for high-speed production tapping in general manufacturing applications
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This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. With a 1 1/8"-7 UNC thread size, H6 / 2B-3B tolerance, 4 flutes, and plug chamfer, it is suited for high-speed production tapping in general manufacturing applications
OSG Spiral Point Tap: 7/8"-9 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2844001)
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OSG Spiral Point Tap: 7/8"-9 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2844001)

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