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

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

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-214643

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute
Category
General Purpose Spiral-Point Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
2806408

Technical Documents

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

Product Description

OSG General Purpose Spiral-Point Taps.

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 aerospace applications where fast, chip-free threading is required.

What are the specifications of OSG spiral point tap 2806408?

The OSG spiral point tap MPN 2806408 is a #4-40 UNC, H2 / 2B-3B tolerance, 2-flute plug chamfer tap. It is designed for general-purpose through-hole threading in ferrous and non-ferrous materials.

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

3G Electric supplies OSG spiral point taps 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.

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

Select a spiral point tap with the correct thread size (#4-40 UNC), chamfer type (plug for general use), and tolerance class (H2 for 2B-3B fit). OSG taps are a reliable choice for consistent thread quality in production runs.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
OSG
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing chip clogging and enabling efficient threading. It features a #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. Suitable for general-purpose tapping applications
OSG
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing chip clogging and enabling efficient threading. It features a #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. Suitable for general-purpose tapping applications
OSG Spiral Point Tap: #5-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2807008)
OSG
OSG Spiral Point Tap: #5-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2807008)
General purpose spiral-point tap for through-hole threading. Made of TiN coated high speed steel with 2 flutes and plug chamfer. Thread class 3B. Pushes chips forward to prevent clogging in through-hole applications
OSG
General purpose spiral-point tap for through-hole threading. Made of TiN coated high speed steel with 2 flutes and plug chamfer. Thread class 3B. Pushes chips forward to prevent clogging in through-hole applications
OSG spiral-point tap for through-hole threading, #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design with plug chamfer. The spiral-point geometry pushes chips ahead to reduce clogging and enable faster production. Suitable for general-purpose tapping in ferrous and non-ferrous materials
OSG
OSG spiral-point tap for through-hole threading, #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design with plug chamfer. The spiral-point geometry pushes chips ahead to reduce clogging and enable faster production. Suitable for general-purpose tapping in ferrous and non-ferrous materials
This spiral-point tap is designed for through-hole threading applications, where its geometry pushes chips forward to prevent clogging. Suitable for general-purpose threading in materials such as steel, aluminum, and cast iron. Features a #4-48 UNF thread size, H2 / 2B-3B tolerance class, 2 flutes, and a plug chamfer
OSG
This spiral-point tap is designed for through-hole threading applications, where its geometry pushes chips forward to prevent clogging. Suitable for general-purpose threading in materials such as steel, aluminum, and cast iron. Features a #4-48 UNF thread size, H2 / 2B-3B tolerance class, 2 flutes, and a plug chamfer

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General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Thread size 5/16"-18 UNC with H7 / 2B-3B tolerance class. Features 3 flutes and plug chamfer. Chip-pushing geometry reduces clogging and improves thread quality
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General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features M10x1.25 metric thread, 6H tolerance, 3 flutes, and plug chamfer. Spiral-point design pushes chips forward to prevent clogging and enable faster tapping
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General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features M10x1.25 metric thread, 6H tolerance, 3 flutes, and plug chamfer. Spiral-point design pushes chips forward to prevent clogging and enable faster tapping
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General purpose spiral-point tap for threading through-holes in steel and cast iron. Features H3 / 2B-3B tolerance, plug chamfer, 3 flutes, and high-speed steel construction. The spiral point design pushes chips ahead to reduce clogging. Suitable for applications requiring precise UNF threads
This OSG spiral-point tap features a 5/8"-11 UNC thread size with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Designed for through-hole threading, it pushes chips forward to facilitate clean thread formation in ferrous and non-ferrous materials. Suitable for production tapping in general manufacturing applications
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General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features M10x1.5 metric thread, OH2 / 6H tolerance, plug chamfer, and black oxide high-speed steel construction with 3 flutes. The spiral point design pushes chips forward to reduce clogging
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