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OSG Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-214743

Brand
OSG
Item
Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute
Category
General Purpose 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
2857600

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 2857600 used for?

The OSG Spiral Point Tap 2857600 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, reducing clogging in production tapping applications across machining, automotive, and general manufacturing industries.

What are the specifications of the OSG 2857600 tap?

The OSG 2857600 is a 9/16"-12 UNC spiral point tap with 3 flutes and a plug chamfer. It has an H3 / 2B-3B tolerance class, suitable for general-purpose threading. The OSG brand ensures precision and durability in high-volume tapping operations.

Where to buy the OSG 2857600 tap worldwide?

3G Electric supplies the OSG 2857600 tap worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this spiral point tap to your facility. Contact us for a quote and lead time on this OSG threading tool.

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., 9/16"-12 UNC), chamfer type (plug for through holes), and tolerance class (H3 for 2B-3B fit). Ensure the tap material suits your workpiece—OSG offers coatings for extended life in abrasive materials.

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 2857800)
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OSG Spiral Point Tap: 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2857800)
OSG Spiral Point Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832200)
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OSG Spiral Point Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832200)
OSG Spiral Point Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832000)
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OSG Spiral Point Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832000)
OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831200)
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OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2831200)
OSG Spiral Point Tap: 3/4"-16 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2833800)
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OSG Spiral Point Tap: 3/4"-16 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2833800)
OSG Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832600)
OSG
OSG Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2832600)

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