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

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

The OSG Spiral Point Tap (1/4"-20 UNC, MPN 2855008) is an oversized spiral-point tap with an H11 plug chamfer, 3 flutes, and TiCN-coated vanadium high-speed steel construction. 3G Electric interprets your demand for…

SKU 3G-OTH-251310

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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
2855008
Type
H11, Plug Chamfer, TiCN Coated Vanadium High Speed Steel
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Point Tap (1/4"-20 UNC, MPN 2855008) is an oversized spiral-point tap with an H11 plug chamfer, 3 flutes, and TiCN-coated vanadium high-speed steel construction. 3G Electric interprets your demand for this specific cutting tool, sources it from OSG, and provides a quote with dedicated support across 14 industrial departments — with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the OSG Spiral Point Tap 2855008 used for?

The OSG Spiral Point Tap 2855008 is used for threading holes in industrial manufacturing, particularly in steel and alloy workpieces. Its spiral-point design pushes chips forward, making it ideal for through-hole applications. The TiCN coating enhances wear resistance and extends tool life in demanding production environments.

What are the specifications of the OSG Spiral Point Tap 2855008?

The OSG Spiral Point Tap 2855008 has a 1/4"-20 UNC thread size, H11 tolerance, 3 flutes, and a plug chamfer. It is made from TiCN coated vanadium high-speed steel. This oversized tap is designed for precise threading in harder materials, with the coating reducing friction and heat buildup during operation.

Where to buy the OSG Spiral Point Tap 2855008 worldwide?

You can source the OSG Spiral Point Tap 2855008 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for this OSG tap and other industrial tooling.

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 coating (TiCN for abrasive materials) to your workpiece. Ensure the tap is oversized if needed for specific tolerances. Consult OSG's technical data for material compatibility and speed 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
OSG Spiral Point Tap: 3/8"-24 UNF, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2856808)
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OSG Spiral Point Tap: 3/8"-24 UNF, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2856808)
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OSG Spiral Point Tap: 1/4"-28 UNF, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2840708)
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OSG Spiral Point Tap: 1/4"-28 UNF, H11, 3 Flute, Plug Chamfer, Black Oxide Vanadium High Speed Steel (MPN 2840701)
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OSG Spiral Point Tap: #10-24 UNC, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2823408)
OSG Spiral Point Tap: #8-32 UNC, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2818108)
OSG
OSG Spiral Point Tap: #8-32 UNC, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2818108)
OSG Spiral Point Tap: #10-32 UNF, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2819108)
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OSG Spiral Point Tap: #10-32 UNF, H11, 3 Flute, Plug Chamfer, TiCN Coated Vanadium High Speed Steel (MPN 2819108)

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OSG Spiral Point Tap: 1/2"-20 UNF, 2B+, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1592600)
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