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OSG 1/4"-28 UNF General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG 1/4"-28 UNF General Purpose Spiral-Point Tap

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-215095

Brand
OSG
Item
1/4"-28 UNF General Purpose Spiral-Point Tap
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
2840408

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 the OSG spiral point tap 2840408 used for?

The OSG spiral point tap 2840408 is designed for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips ahead, reducing clogging and breakage, making it ideal for production tapping in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG tap 2840408?

The OSG tap 2840408 is a 1/4"-28 UNF spiral point tap with H5 tolerance, suitable for 2B-3B thread classes. It has 3 flutes and a plug chamfer. The manufacturer part number is 2840408, and it is a general purpose tap for high-speed threading operations.

Where to buy the OSG tap 2840408 worldwide?

You can source the OSG tap 2840408 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this OSG threading tool.

How to select the correct OSG spiral point tap for UNF threads?

Select the OSG spiral point tap based on thread size, pitch, and tolerance. For UNF threads like 1/4"-28, ensure the tap matches the required class (e.g., 2B or 3B). Consider material hardness and hole type (blind or through). OSG taps offer H5 tolerance for precision threading in production environments.

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: 3/4"-16 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2843808)
OSG
OSG Spiral Point Tap: 3/4"-16 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2843808)
This spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing chip clogging and tap breakage. It features a 3/8"-16 UNC thread, H5 tolerance for 2B-3B thread classes, 3 flutes, and a plug chamfer. Common applications include general manufacturing where precise internal threads are required
OSG
This spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing chip clogging and tap breakage. It features a 3/8"-16 UNC thread, H5 tolerance for 2B-3B thread classes, 3 flutes, and a plug chamfer. Common applications include general manufacturing where precise internal threads are required
Spiral-point tap designed for through-hole threading in metal, steel, and alloys. The spiral point pushes chips forward to prevent clogging. Features 5/16"-24 UNF thread, H5 tolerance for 2B/3B class fit, 3 flutes, and plug chamfer. Suitable for production tapping applications
OSG
Spiral-point tap designed for through-hole threading in metal, steel, and alloys. The spiral point pushes chips forward to prevent clogging. Features 5/16"-24 UNF thread, H5 tolerance for 2B/3B class fit, 3 flutes, and plug chamfer. Suitable for production tapping applications
OSG Spiral Point Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842208)
OSG
OSG Spiral Point Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842208)
This OSG spiral-point tap is designed for threading through-holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing clogging and enabling efficient tapping in production environments. It features a 5/16"-18 UNC thread, H5 tolerance for 2B-3B thread classes, 3 flutes, and a plug chamfer
OSG
This OSG spiral-point tap is designed for threading through-holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing clogging and enabling efficient tapping in production environments. It features a 5/16"-18 UNC thread, H5 tolerance for 2B-3B thread classes, 3 flutes, and a plug chamfer
This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing chip clogging and improving thread quality. It features a 1/4"-28 UNF thread, H7/2B tolerance, 3 flutes, and a plug chamfer, suitable for machine or hand threading applications
OSG
This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing chip clogging and improving thread quality. It features a 1/4"-28 UNF thread, H7/2B tolerance, 3 flutes, and a plug chamfer, suitable for machine or hand threading applications

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General purpose spiral-point tap for through-hole threading. Features TiN-coated high-speed steel construction with plug chamfer and 2 flutes. Suitable for threading ferrous materials in production environments
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General purpose spiral-point tap for through-hole threading. Features TiN-coated high-speed steel construction with plug chamfer and 2 flutes. Suitable for threading ferrous materials in production environments
OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1236208)
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General purpose spiral-point tap for through-hole threading. M12x1.75 metric thread, 6H tolerance, plug chamfer, 2-flute design, high-speed steel construction. Pushes chips forward to reduce clogging in materials such as steel and aluminum
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General purpose spiral-point tap for through-hole threading. M12x1.75 metric thread, 6H tolerance, plug chamfer, 2-flute design, high-speed steel construction. Pushes chips forward to reduce clogging in materials such as steel and aluminum
General purpose spiral-point tap for through-hole threading. Features a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 2-flute design, and bottoming chamfer. The spiral-point geometry pushes chips ahead, reducing clogging and enabling efficient tapping in materials such as steel, aluminum, and cast iron
OSG
General purpose spiral-point tap for through-hole threading. Features a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 2-flute design, and bottoming chamfer. The spiral-point geometry pushes chips ahead, reducing clogging and enabling efficient tapping in materials such as steel, aluminum, and cast iron
OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
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OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2811408)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features an M6x1 metric thread with 6H tolerance, 2 flutes, and a plug chamfer. Made from high-speed steel, it pushes chips forward to prevent clogging during production threading operations
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This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features an M6x1 metric thread with 6H tolerance, 2 flutes, and a plug chamfer. Made from high-speed steel, it pushes chips forward to prevent clogging during production threading operations
OSG Spiral Point Tap: 1"-12 UNF, H4 / 2B, 4 Flute, Plug Chamfer (MPN 2839600)
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OSG Spiral Point Tap: 1"-12 UNF, H4 / 2B, 4 Flute, Plug Chamfer (MPN 2839600)
General purpose spiral-point tap for threading blind or through holes. Made of high-speed steel with a plug chamfer and 2 flutes. Rated H1 / 2B-3B. The spiral-point design pushes chips forward to reduce clogging during operation
OSG
General purpose spiral-point tap for threading blind or through holes. Made of high-speed steel with a plug chamfer and 2 flutes. Rated H1 / 2B-3B. The spiral-point design pushes chips forward to reduce clogging during operation