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OSG Spiral Point Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-216012

Brand
OSG
Item
Spiral Point Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute
Category
General Purpose 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
2855608

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 2855608 used for?

The OSG spiral point tap 2855608 is used for through-hole threading in ferrous and non-ferrous materials. Its spiral point design pushes chips ahead, reducing clogging and breakage. It is ideal for general-purpose tapping in machining, automotive, and industrial maintenance applications.

What are the specifications of the OSG 2855608 tap?

The OSG 2855608 is a 5/16"-18 UNC spiral point tap with 3 flutes and a plug chamfer. It has a thread tolerance of H7 / 2B-3B, ensuring precise fit for standard UNC nuts and holes. The tap is designed for through-hole threading and is made from high-speed steel.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2855608 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement with technical expertise across 14 departments.

How to select the right OSG tap for UNC threads?

To select the right OSG tap for UNC threads, match the tap size and thread pitch to your hole diameter and material. For through-holes, a spiral point tap like the 2855608 is ideal. For blind holes, use a spiral flute tap. Always verify thread tolerance (e.g., H7 / 2B-3B) for fit requirements.

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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General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size 5/8"-18 UNF with tolerance H7 / 2B-3B. Features 3 flutes and a plug chamfer. The spiral-point design pushes chips forward to reduce clogging and breakage
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General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Thread size 5/8"-18 UNF with tolerance H7 / 2B-3B. Features 3 flutes and a plug chamfer. The spiral-point design pushes chips forward to reduce clogging and breakage
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Spiral-point tap for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and breakage. Thread size 5/8"-18 UNF, tolerance H7 / 2B-3B, 3 flutes, plug chamfer
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This spiral-point tap is designed for through-hole threading in metals, with a geometry that pushes chips forward to reduce clogging. It features a 5/8"-18 UNF thread size, H7 / 2B-3B tolerance, 3 flutes, and a plug chamfer. Suitable for general manufacturing applications requiring UNF threads in steel, aluminum, and alloys
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Spiral-point tap designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral-point geometry pushes chips ahead, reducing clogging. Features 3/8"-16 UNC thread, H7 / 2B-3B tolerance, 3 flutes, and plug chamfer. Suitable for general manufacturing applications
OSG Spiral Point Tap: 7/16"-14 UNC, H7 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842100)
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This spiral-point tap is designed for through-hole threading in metals, with a geometry that pushes chips forward to reduce clogging and improve thread quality. It features a 3/8"-16 UNC thread size, H7 / 2B-3B tolerance, 3 flutes, and a plug chamfer, suitable for general manufacturing applications
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This spiral-point tap is designed for through-hole threading in metals, with a geometry that pushes chips forward to reduce clogging and improve thread quality. It features a 3/8"-16 UNC thread size, H7 / 2B-3B tolerance, 3 flutes, and a plug chamfer, suitable for general manufacturing applications

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