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OSG Oversized Spiral-Point Tap, 1/4"-20 UNC, H11, 3 Flute, Plug Chamfer - Oversized Spiral-Point Taps
OSGOversized Spiral-Point Taps

OSG Oversized Spiral-Point Tap, 1/4"-20 UNC, H11, 3 Flute, Plug Chamfer

OSG Oversized Spiral-Point Taps.

SKU 3G-OTH-251229

Brand
OSG
Item
Oversized Spiral-Point Tap, 1/4"-20 UNC, H11, 3 Flute, Plug Chamfer
Category
Oversized Spiral-Point Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
2855000

Technical Documents

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

Product Description

OSG Oversized Spiral-Point Taps.

Frequently Asked Questions

What is the OSG Spiral Point Tap 2855000 used for?

The OSG Spiral Point Tap 2855000 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.

What are the specifications of the OSG Spiral Point Tap 2855000?

The OSG Spiral Point Tap 2855000 has a 1/4"-20 UNC 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 2855000, and it is made by OSG.

Where to buy the OSG Spiral Point Tap 2855000 worldwide?

You can source the OSG Spiral Point Tap 2855000 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 competitive pricing and reliable sourcing.

How to select the correct OSG Spiral Point Tap for threading?

To select the correct OSG Spiral Point Tap, match the thread size (e.g., 1/4"-20 UNC), chamfer type (plug for general use), and tolerance (H11 for standard fits). Consider material hardness and hole type (blind vs. through). OSG taps are designed for high-speed production; consult 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 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 through-hole threading in metal. The spiral-point geometry pushes chips forward to reduce clogging and breakage. It is suitable for tapping ferrous materials such as steel and stainless steel in production environments
OSG
This OSG oversized spiral-point tap is designed for through-hole threading in metal. The spiral-point geometry pushes chips forward to reduce clogging and breakage. It is suitable for tapping ferrous materials such as steel and stainless steel in production environments
Oversized spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size 3/8"-16 UNC with H11 tolerance for 2B class fit. 3-flute design with plug chamfer. Spiral-point pushes chips forward to reduce congestion and breakage
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Oversized spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size 3/8"-16 UNC with H11 tolerance for 2B class fit. 3-flute design with plug chamfer. Spiral-point pushes chips forward to reduce congestion and breakage
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features 5/8"-11 UNC thread, H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to prevent clogging and enable faster tapping cycles in production environments
OSG
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features 5/8"-11 UNC thread, H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to prevent clogging and enable faster tapping cycles in production environments
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a plug chamfer. The spiral point pushes chips ahead, reducing clogging and tap breakage in production environments
OSG
This OSG spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a plug chamfer. The spiral point pushes chips ahead, reducing clogging and tap breakage in production environments
General purpose spiral-point tap for through-hole threading. Thread size 7/8"-9 UNC with H5 tolerance for 2B-3B class fit. Features 3 flutes and a plug chamfer. The spiral-point design pushes chips forward, reducing chip congestion in applications such as steel and cast iron
OSG
General purpose spiral-point tap for through-hole threading. Thread size 7/8"-9 UNC with H5 tolerance for 2B-3B class fit. Features 3 flutes and a plug chamfer. The spiral-point design pushes chips forward, reducing chip congestion in applications such as steel and cast iron
General purpose spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H5 tolerance, 3 flutes, and plug chamfer. Designed to push chips forward for efficient chip evacuation in production tapping
OSG
General purpose spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H5 tolerance, 3 flutes, and plug chamfer. Designed to push chips forward for efficient chip evacuation in production tapping

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OSG Spiral Point Tap: M10x1.25 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 2894908)
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OSG Spiral Point Tap: M10x1.25 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 2894908)
This OSG spiral-point tap is designed for threading through-holes in metal. The spiral point pushes chips forward, preventing clogging and enabling efficient threading. With a 6H+ tolerance, it provides an oversized pitch diameter for use after coating or plating. Made from high-speed steel with a plug chamfer and 2 flutes
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This OSG spiral-point tap is designed for threading through-holes in metal. The spiral point pushes chips forward, preventing clogging and enabling efficient threading. With a 6H+ tolerance, it provides an oversized pitch diameter for use after coating or plating. Made from high-speed steel with a plug chamfer and 2 flutes
OSG Spiral Point Tap: 7/16"-14 UNC, H11 / 2B, 3 Flute, Plug Chamfer (MPN 2842308)
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OSG Spiral Point Tap: 7/16"-14 UNC, H11 / 2B, 3 Flute, Plug Chamfer (MPN 2842308)
This OSG oversized spiral-point tap is designed for cutting internal threads in through-holes. It features a metric M8x1.25 thread size, D11 / 6H tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward, making it suitable for high-speed production tapping in metal workpieces
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This OSG oversized spiral-point tap is designed for cutting internal threads in through-holes. It features a metric M8x1.25 thread size, D11 / 6H tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward, making it suitable for high-speed production tapping in metal workpieces
OSG Spiral Point Tap: M8x1 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 2894301)
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OSG Spiral Point Tap: M8x1 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 2894301)
OSG Spiral Point Tap: 3/8"-16 UNC, H11 / 2B, 3 Flute, Plug Chamfer (MPN 2856608)
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OSG Spiral Point Tap: 3/8"-16 UNC, H11 / 2B, 3 Flute, Plug Chamfer (MPN 2856608)
OSG Spiral Point Tap: M12x1.75 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 2895701)
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OSG Spiral Point Tap: M12x1.75 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 2895701)
Oversized spiral-point tap for #6-32 UNC threads. Features H11 tolerance, plug chamfer, and 2 flutes. Constructed from TiCN coated vanadium high-speed steel. Designed for through-hole threading in production machining
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Oversized spiral-point tap for #6-32 UNC threads. Features H11 tolerance, plug chamfer, and 2 flutes. Constructed from TiCN coated vanadium high-speed steel. Designed for through-hole threading in production machining