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OSG Spiral Point Tap: 5/16"-18 UNC, 2B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-18 UNC, 2B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (5/16"-18 UNC, MPN 2530801) is a general-purpose spiral-point tap with a 2B thread class, plug chamfer, and 3-flute design, made from black oxide vanadium high-speed steel. 3G Electric…

SKU 3G-OTH-215911

Brand
OSG
Item
Spiral Point Tap: 5/16"-18 UNC, 2B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Local availability & support

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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
2530801
Type
2B, Plug Chamfer, Black Oxide 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 (5/16"-18 UNC, MPN 2530801) is a general-purpose spiral-point tap with a 2B thread class, plug chamfer, and 3-flute design, made from black oxide vanadium high-speed steel. 3G Electric interprets your demand for this cutting tool and sources it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is the OSG spiral point tap 2530801 used for?

The OSG spiral point tap 2530801 is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral point pushes chips ahead, reducing clogging and breakage. Common in automotive, aerospace, and general machining applications requiring clean UNC threads.

What are the specifications of the OSG 2530801 tap?

The OSG 2530801 is a 5/16"-18 UNC spiral point tap with a 2B class fit, 3 flutes, plug chamfer, and black oxide vanadium high-speed steel construction. It is designed for through-hole threading and provides good wear resistance in production environments.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2530801 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine OSG cutting tools for your threading needs.

How to select the right OSG tap for UNC threads?

Select an OSG tap based on thread size (5/16"-18 UNC), hole type (through or blind), material (steel, aluminum), and desired thread class (2B). Spiral point taps suit through holes; spiral flute taps suit blind holes. OSG offers various coatings and HSS grades for different applications.

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: 5/16"-24 UNF, 2B, 3 Flute, Plug Chamfer, Black Oxide Vanadium High Speed Steel (MPN 2531201)
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OSG Spiral Point Tap: 3/4"-10 UNC, 2B, 3 Flute, Plug Chamfer, Black Oxide Vanadium High Speed Steel (MPN 2533601)

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