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OSG 1/4"-28 UNF Oversized Spiral-Point Tap, H11, 3 Flute, Plug Chamfer - Oversized Spiral-Point Taps
OSGOversized Spiral-Point Taps

OSG 1/4"-28 UNF Oversized Spiral-Point Tap, H11, 3 Flute, Plug Chamfer

OSG Oversized Spiral-Point Taps.

SKU 3G-OTH-251294

Brand
OSG
Item
1/4"-28 UNF Oversized Spiral-Point Tap, H11, 3 Flute, Plug Chamfer
Category
Oversized 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
2840700

Technical Documents

No technical documents available for this product.
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG Oversized 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 2840700 used for?

The OSG spiral point tap 2840700 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips ahead, reducing chip clogging. It is ideal for production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral point tap 2840700?

The OSG spiral point tap 2840700 has a 1/4"-28 UNF thread size, H11 tolerance, 3 flutes, and a plug chamfer. It is an oversized tap designed for threading after coating or plating. The manufacturer part number is 2840700.

Where to buy the OSG spiral point tap 2840700 worldwide?

You can source the OSG spiral point tap 2840700 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.

How to select the correct OSG spiral point tap size?

To select the correct OSG spiral point tap, match the thread size (e.g., 1/4"-28 UNF) and tolerance (H11) to your application. Oversized taps like this are used when post-coating thread dimensions require compensation. Consult OSG's technical data for material-specific recommendations.

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 oversized 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
This OSG oversized spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. Its 3-flute design and plug chamfer push chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general machining where UNF threads are required
OSG
This OSG oversized spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. Its 3-flute design and plug chamfer push chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general machining where UNF threads are required
Oversized spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a spiral point design that pushes chips forward to reduce clogging and enable faster threading. Thread size 5/16-24 UNF with H11 tolerance, 3 flutes, and plug chamfer. Suitable for applications requiring precise UNF threads with slightly larger pitch diameter
OSG
Oversized spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a spiral point design that pushes chips forward to reduce clogging and enable faster threading. Thread size 5/16-24 UNF with H11 tolerance, 3 flutes, and plug chamfer. Suitable for applications requiring precise UNF threads with slightly larger pitch diameter
Oversized spiral-point tap for through-hole threading in metals. Features H11 tolerance, 3 flutes, and plug chamfer. Designed to produce threads slightly larger than standard for applications requiring looser fit or coating allowance. Chip evacuation is facilitated by the spiral point geometry
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Oversized spiral-point tap for through-hole threading in metals. Features H11 tolerance, 3 flutes, and plug chamfer. Designed to produce threads slightly larger than standard for applications requiring looser fit or coating allowance. Chip evacuation is facilitated by the spiral point geometry
OSG Spiral Point Tap: 5/16"-24 UNF, H11, 3 Flute, Plug Chamfer (MPN 2841508)
OSG
OSG Spiral Point Tap: 5/16"-24 UNF, H11, 3 Flute, Plug Chamfer (MPN 2841508)
Oversized spiral-point tap for threading through-holes in metals. Features a 7/16"-20 UNF thread size, H11 tolerance, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to prevent clogging during high-speed production tapping
OSG
Oversized spiral-point tap for threading through-holes in metals. Features a 7/16"-20 UNF thread size, H11 tolerance, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to prevent clogging during high-speed production tapping
OSG Spiral Point Tap: 5/16"-18 UNC, H11, 3 Flute, Plug Chamfer (MPN 2855808)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H11, 3 Flute, Plug Chamfer (MPN 2855808)

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Oversized spiral-point tap for through-hole threading. H11 geometry with plug chamfer and 3 flutes. TiCN coating on vanadium high-speed steel provides wear resistance. Suitable for production tapping in steel and aluminum
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Oversized spiral-point tap for through-hole threading. H11 geometry with plug chamfer and 3 flutes. TiCN coating on vanadium high-speed steel provides wear resistance. Suitable for production tapping in steel and aluminum
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Oversized spiral-point tap for through-hole threading. Features a 2B+ thread class, 2-flute design, plug chamfer, and black oxide high-speed steel construction. The spiral point pushes chips forward, reducing clogging in production threading applications
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Oversized spiral-point tap for through-hole threading. Features a 6H+ tolerance for slightly oversized threads, plug chamfer, and 2-flute design. Made of high-speed steel. Commonly used in production tapping of steel and cast iron
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Oversized spiral-point tap for through-hole threading. Features a 6H+ tolerance for slightly oversized threads, plug chamfer, and 2-flute design. Made of high-speed steel. Commonly used in production tapping of steel and cast iron
Oversized spiral-point tap for through-hole threading. H11 tolerance, plug chamfer, 3 flutes. TiCN coated vanadium high speed steel construction. Suitable for production tapping in steel and aluminum
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Oversized spiral-point tap for through-hole threading. H11 tolerance, plug chamfer, 3 flutes. TiCN coated vanadium high speed steel construction. Suitable for production tapping in steel and aluminum
This OSG oversized spiral-point tap is designed for through-hole threading in metals, with a M12x1.25 metric thread, D11 / 4H-6H tolerance, 3 flutes, and a plug chamfer. The spiral-point geometry pushes chips ahead to prevent clogging, making it suitable for high-speed production threading applications
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This OSG oversized spiral-point tap is designed for through-hole threading in metals, with a M12x1.25 metric thread, D11 / 4H-6H tolerance, 3 flutes, and a plug chamfer. The spiral-point geometry pushes chips ahead to prevent clogging, making it suitable for high-speed production threading applications