Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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-214707

Brand
OSG
Item
Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Point Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
2857608

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 2857608 used for?

The OSG Spiral Point Tap 2857608 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, reducing clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.

What are the specifications of the OSG Spiral Point Tap 2857608?

This OSG tap has a 9/16"-12 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose spiral-point tap designed for high-speed threading. The manufacturer part number is 2857608.

Where to buy the OSG Spiral Point Tap 2857608 worldwide?

You can source the OSG Spiral Point Tap 2857608 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

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

Select an OSG spiral point tap by matching thread size (e.g., 9/16"-12 UNC), tolerance class (H3 for 2B-3B fit), and chamfer type (plug for general use). Ensure the tap material suits your workpiece. For best results, consult OSG's technical data or a distributor like 3G Electric.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features a 9/16"-18 UNF thread size, H3 / 2B-3B tolerance, 3-flute design, and plug chamfer. The spiral-point geometry pushes chips forward to reduce clogging and improve thread quality in production environments
OSG
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features a 9/16"-18 UNF thread size, H3 / 2B-3B tolerance, 3-flute design, and plug chamfer. The spiral-point geometry pushes chips forward to reduce clogging and improve thread quality in production environments
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
OSG
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
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral point geometry pushes chips ahead of the cutting action, reducing clogging and breakage. Suitable for general-purpose tapping applications in machining and industrial maintenance
OSG
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral point geometry pushes chips ahead of the cutting action, reducing clogging and breakage. Suitable for general-purpose tapping applications in machining and industrial maintenance
This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing clogging and improving thread quality. It features a 5/8"-11 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer for consistent thread formation in production environments
OSG
This OSG spiral-point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing clogging and improving thread quality. It features a 5/8"-11 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer for consistent thread formation in production environments
General purpose spiral-point tap for through-hole threading. The spiral-point design pushes chips forward, reducing clogging and breakage. Suitable for creating UNF threads in metals such as steel, aluminum, and alloys
OSG
General purpose spiral-point tap for through-hole threading. The spiral-point design pushes chips forward, reducing clogging and breakage. Suitable for creating UNF threads in metals such as steel, aluminum, and alloys
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a 3/8"-16 UNC thread size, H7 / 2B-3B tolerance, 3 flutes, and plug chamfer. The spiral-point design pushes chips forward to reduce clogging and breakage, suitable for applications requiring clean, accurate threads
OSG
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a 3/8"-16 UNC thread size, H7 / 2B-3B tolerance, 3 flutes, and plug chamfer. The spiral-point design pushes chips forward to reduce clogging and breakage, suitable for applications requiring clean, accurate threads

More from OSG

View all OSG parts
General purpose spiral-point tap for through-hole threading. Features a 5/16"-18 UNC thread, 2B class fit, plug chamfer, and 3-flute design. Constructed from black oxide vanadium high-speed steel for wear resistance. Suitable for threading ferrous and non-ferrous materials in production environments
OSG
General purpose spiral-point tap for through-hole threading. Features a 5/16"-18 UNC thread, 2B class fit, plug chamfer, and 3-flute design. Constructed from black oxide vanadium high-speed steel for wear resistance. Suitable for threading ferrous and non-ferrous materials in production environments
General purpose spiral-point tap for through-hole threading. 5/16"-18 UNC thread size, H5 / 2B-3B tolerance class, plug chamfer, 2-flute design, TiCN coated high speed steel. Suitable for production threading in ferrous and non-ferrous materials
OSG
General purpose spiral-point tap for through-hole threading. 5/16"-18 UNC thread size, H5 / 2B-3B tolerance class, plug chamfer, 2-flute design, TiCN coated high speed steel. Suitable for production threading in ferrous and non-ferrous materials
This OSG spiral-point tap is designed for through-hole threading in production environments. The spiral point pushes chips ahead, preventing clogging and enabling faster, cleaner threads. It features a M6x1 metric thread, D5 / 4H-6H tolerance class, 3 flutes, and a plug chamfer, suitable for general purpose machining where precise thread fit is required
OSG
This OSG spiral-point tap is designed for through-hole threading in production environments. The spiral point pushes chips ahead, preventing clogging and enabling faster, cleaner threads. It features a M6x1 metric thread, D5 / 4H-6H tolerance class, 3 flutes, and a plug chamfer, suitable for general purpose machining where precise thread fit is required
General purpose spiral-point tap for through-hole threading. Pushes chips forward to reduce clogging and breakage. Suitable for ferrous and non-ferrous materials
OSG
General purpose spiral-point tap for through-hole threading. Pushes chips forward to reduce clogging and breakage. Suitable for ferrous and non-ferrous materials
General purpose spiral-point tap for through-hole threading. Features a 3-flute design with plug chamfer to push chips forward. Tolerance class H2 for 2B-3B thread fit. Suitable for high-speed production tapping in steel, stainless steel, and non-ferrous materials
OSG
General purpose spiral-point tap for through-hole threading. Features a 3-flute design with plug chamfer to push chips forward. Tolerance class H2 for 2B-3B thread fit. Suitable for high-speed production tapping in steel, stainless steel, and non-ferrous materials
Spiral-point tap for through-hole threading in steel, cast iron, and non-ferrous materials. Features 1 1/4"-7 UNC thread, H6 / 2B-3B tolerance, 4 flutes, and plug chamfer. Suitable for general-purpose tapping in manufacturing and maintenance operations
OSG
Spiral-point tap for through-hole threading in steel, cast iron, and non-ferrous materials. Features 1 1/4"-7 UNC thread, H6 / 2B-3B tolerance, 4 flutes, and plug chamfer. Suitable for general-purpose tapping in manufacturing and maintenance operations
General purpose spiral-point tap for through-hole threading. Features a plug chamfer design that pushes chips forward, reducing chip congestion. Constructed from TiCN coated high speed steel for wear resistance in ferrous materials. Tolerance H5 / 2B with 2 flutes. Suitable for production machining and general manufacturing applications
OSG
General purpose spiral-point tap for through-hole threading. Features a plug chamfer design that pushes chips forward, reducing chip congestion. Constructed from TiCN coated high speed steel for wear resistance in ferrous materials. Tolerance H5 / 2B with 2 flutes. Suitable for production machining and general manufacturing applications
OSG Spiral Point Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1206008)
OSG
OSG Spiral Point Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1206008)