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: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2840008) - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2840008)

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-214821

Brand
OSG
Item
Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer
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
2840008

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 2840008 used for?

This OSG spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design pushes chips forward, reducing clogging and ensuring clean threads in production environments.

What are the specifications of the OSG 2840008 tap?

The OSG 2840008 is a 1/4"-20 UNC spiral point tap with H5 tolerance, suitable for 2B-3B thread classes. It has 3 flutes and a plug chamfer, ideal for general-purpose through-hole tapping.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2840008 to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for your industrial threading needs across global locations.

How to select the right OSG tap for through holes?

For through holes, choose a spiral point tap like the OSG 2840008 to push chips forward. Match thread size (1/4"-20 UNC), tolerance (H5), and chamfer type (plug) to your material and application for optimal results.

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
OSG Spiral Point Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842608)
OSG
OSG Spiral Point Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842608)
This OSG spiral-point tap is designed for threading through-holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing clogging and enabling efficient tapping in production environments. It features a 5/16"-18 UNC thread, H5 tolerance for 2B-3B thread classes, 3 flutes, and a plug chamfer
OSG
This OSG spiral-point tap is designed for threading through-holes in ferrous and non-ferrous materials. The spiral point design pushes chips forward, reducing clogging and enabling efficient tapping in production environments. It features a 5/16"-18 UNC thread, H5 tolerance for 2B-3B thread classes, 3 flutes, and a plug chamfer
Spiral-point tap designed for through-hole threading in metal, steel, and alloys. The spiral point pushes chips forward to prevent clogging. Features 5/16"-24 UNF thread, H5 tolerance for 2B/3B class fit, 3 flutes, and plug chamfer. Suitable for production tapping applications
OSG
Spiral-point tap designed for through-hole threading in metal, steel, and alloys. The spiral point pushes chips forward to prevent clogging. Features 5/16"-24 UNF thread, H5 tolerance for 2B/3B class fit, 3 flutes, and plug chamfer. Suitable for production tapping applications
Spiral-point tap designed for through-hole threading in ferrous and non-ferrous materials. Features a 7/16"-14 UNC thread size with H5 tolerance for 2B-3B class fit. The 3-flute design and plug chamfer facilitate chip evacuation, enabling efficient threading in production environments
OSG
Spiral-point tap designed for through-hole threading in ferrous and non-ferrous materials. Features a 7/16"-14 UNC thread size with H5 tolerance for 2B-3B class fit. The 3-flute design and plug chamfer facilitate chip evacuation, enabling efficient threading in production environments
OSG Spiral Point Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842208)
OSG
OSG Spiral Point Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2842208)
General purpose spiral-point tap for through-hole threading in ferrous materials. Made from high-speed steel with a plug chamfer and 3 flutes. Tolerance class H5 for 2B-3B fit. Thread size 1/4"-20 UNC
OSG
General purpose spiral-point tap for through-hole threading in ferrous materials. Made from high-speed steel with a plug chamfer and 3 flutes. Tolerance class H5 for 2B-3B fit. Thread size 1/4"-20 UNC

More from OSG

View all OSG parts
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a 1/4"-20 UNC thread size, H5 tolerance for 2B-3B fit, 3 flutes, and a plug chamfer. The spiral point design pushes chips ahead to reduce clogging and ensure clean threads in production environments
OSG
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a 1/4"-20 UNC thread size, H5 tolerance for 2B-3B fit, 3 flutes, and a plug chamfer. The spiral point design pushes chips ahead to reduce clogging and ensure clean threads in production environments
This OSG spiral-point tap is designed for through-hole threading applications. It features a TiN-coated high-speed steel construction with a plug chamfer and 2 flutes for efficient chip evacuation. The 3B thread class ensures precise thread fit. Suitable for general machining operations requiring consistent thread quality
OSG
This OSG spiral-point tap is designed for through-hole threading applications. It features a TiN-coated high-speed steel construction with a plug chamfer and 2 flutes for efficient chip evacuation. The 3B thread class ensures precise thread fit. Suitable for general machining operations requiring consistent thread quality
Spiral-point tap designed for through-hole threading in production environments. Features M10x1 metric thread, D5 / 4H-6H tolerance, 3 flutes, and plug chamfer for efficient chip evacuation forward, reducing clogging in steel, aluminum, and cast iron
OSG
Spiral-point tap designed for through-hole threading in production environments. Features M10x1 metric thread, D5 / 4H-6H tolerance, 3 flutes, and plug chamfer for efficient chip evacuation forward, reducing clogging in steel, aluminum, and cast iron
This OSG spiral-point tap is designed for through-hole threading in production environments. It features a plug chamfer and TiCN coating on high speed steel, suitable for threading materials up to 40 HRC. The H2 / 2B-3B thread class and 2-flute design provide efficient chip evacuation
OSG
This OSG spiral-point tap is designed for through-hole threading in production environments. It features a plug chamfer and TiCN coating on high speed steel, suitable for threading materials up to 40 HRC. The H2 / 2B-3B thread class and 2-flute design provide efficient chip evacuation
General purpose spiral-point tap for through-hole threading. Features a plug chamfer, black oxide high-speed steel construction, and H3 / 2B-3B thread tolerance. Designed for creating #0-80 UNF internal threads in ferrous materials
OSG
General purpose spiral-point tap for through-hole threading. Features a plug chamfer, black oxide high-speed steel construction, and H3 / 2B-3B thread tolerance. Designed for creating #0-80 UNF internal threads in ferrous materials
General purpose spiral-point tap for through-hole threading. #3-48 UNC, 2B thread class, plug chamfer, 2-flute design. Made of TiN coated high speed steel for reduced friction and extended tool life. Suitable for threading in metal, steel, and alloys
OSG
General purpose spiral-point tap for through-hole threading. #3-48 UNC, 2B thread class, plug chamfer, 2-flute design. Made of TiN coated high speed steel for reduced friction and extended tool life. Suitable for threading in metal, steel, and alloys
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features 5/16-24 UNF thread, H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer. Spiral-point design pushes chips forward for efficient chip evacuation in CNC and manual machining
OSG
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features 5/16-24 UNF thread, H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer. Spiral-point design pushes chips forward for efficient chip evacuation in CNC and manual machining
OSG Spiral Point Tap: #8-32 UNC, H7 / 2B, 3 Flute, Plug Chamfer (MPN 2818008)
OSG
OSG Spiral Point Tap: #8-32 UNC, H7 / 2B, 3 Flute, Plug Chamfer (MPN 2818008)