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OSG Spiral Point Tap: 1 1/2"-6 UNC, H6 / 2B-3B, 4 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1 1/2"-6 UNC, H6 / 2B-3B, 4 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-214846

Brand
OSG
Item
Spiral Point Tap: 1 1/2"-6 UNC, H6 / 2B-3B, 4 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
2851601

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 the OSG spiral point tap 2851601 used for?

This OSG spiral point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. Its 4-flute, plug chamfer design pushes chips forward, making it ideal for production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral point tap 2851601?

The OSG spiral point tap has a 1 1/2-inch-6 UNC thread size, H6 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is a general-purpose spiral-point tap, MPN 2851601, suitable for high-speed tapping in CNC and manual machines.

Where to buy OSG spiral point tap 2851601 worldwide?

You can source the OSG spiral point tap 2851601 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your threading operations.

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

Select an OSG spiral point tap by matching the thread size (e.g., 1 1/2-inch-6 UNC), tolerance class (H6 for 2B-3B fit), and chamfer type (plug for general use). Ensure the tap is rated for your material—OSG taps suit steel, aluminum, and cast iron. Consult a technical datasheet for speed and feed 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 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: 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2857801)
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OSG Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2857601)
OSG Spiral Point Tap: 1 1/8"-7 UNC, H6 / 2B-3B, 4 Flute, Plug Chamfer (MPN 2849801)
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OSG Spiral Point Tap: 1 1/8"-7 UNC, H6 / 2B-3B, 4 Flute, Plug Chamfer (MPN 2849801)
OSG Spiral Point Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2812401)
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OSG Spiral Point Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2812401)
OSG Spiral Point Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2812400)
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OSG Spiral Point Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2812400)
OSG Spiral Point Tap: 3/8"-24 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2841901)
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OSG Spiral Point Tap: 3/8"-24 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2841901)

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