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

OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230155

Brand
OSG
Item
Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer
Category
General Purpose Spiral-Flute 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
2906008

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-Flute Taps.

Frequently Asked Questions

What is the OSG spiral flute tap #3-48 UNC used for?

The OSG spiral flute tap #3-48 UNC is used for threading blind holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging, making it ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap #3-48 UNC?

The OSG spiral flute tap has a #3-48 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, and a modified bottoming chamfer. It is designed for general-purpose threading in blind holes, with part number 2906008. OSG is the OEM brand for this tap.

Where to buy OSG spiral flute taps in worldwide?

You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG #3-48 UNC tap (MPN 2906008).

How to select the correct OSG spiral flute tap for blind holes?

Select an OSG spiral flute tap based on thread size, tolerance class, and chamfer type. For blind holes, use a modified bottoming chamfer to thread close to the hole bottom. Ensure the tap's flute design matches the material to avoid chip buildup. OSG taps are engineered for reliable performance.

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-flute 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-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. Features #3-48 UNC thread size, H2 / 2B-3B tolerance class, 2 flutes, and modified bottoming chamfer. Suitable for general machining applications requiring precise internal threading
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. Features #3-48 UNC thread size, H2 / 2B-3B tolerance class, 2 flutes, and modified bottoming chamfer. Suitable for general machining applications requiring precise internal threading
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. It features a #4-40 UNC thread size, H2 / 2B-3B tolerance class, 3 flutes, and a modified bottoming chamfer
OSG
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. It features a #4-40 UNC thread size, H2 / 2B-3B tolerance class, 3 flutes, and a modified bottoming chamfer
OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907008)
OSG
OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907008)
General purpose spiral-flute tap for threading blind holes. Thread size #6-32 UNC with H2 / 2B-3B limit, 3 flutes, and modified bottoming chamfer. Spiral flute design lifts chips upward to prevent clogging, suitable for steel, stainless steel, and aluminum
OSG
General purpose spiral-flute tap for threading blind holes. Thread size #6-32 UNC with H2 / 2B-3B limit, 3 flutes, and modified bottoming chamfer. Spiral flute design lifts chips upward to prevent clogging, suitable for steel, stainless steel, and aluminum
OSG Spiral Flute Tap: #6-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907400)
OSG
OSG Spiral Flute Tap: #6-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907400)
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a #4-40 UNC thread size, H2 / 2B-3B tolerance, 3 flutes for chip evacuation, and a modified bottoming chamfer. Manufacturer part number 2906408
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a #4-40 UNC thread size, H2 / 2B-3B tolerance, 3 flutes for chip evacuation, and a modified bottoming chamfer. Manufacturer part number 2906408

More from OSG

View all OSG parts
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The 3-flute design and modified bottoming chamfer facilitate upward chip evacuation, making it suitable for general-purpose tapping in machining and manufacturing applications
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The 3-flute design and modified bottoming chamfer facilitate upward chip evacuation, making it suitable for general-purpose tapping in machining and manufacturing applications
OSG Spiral Flute Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942900)
OSG
OSG Spiral Flute Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942900)
OSG Spiral Flute Tap: M6x1 Metric, OH2 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 11583)
OSG
OSG Spiral Flute Tap: M6x1 Metric, OH2 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 11583)
General purpose spiral-flute tap for threading blind holes in steel and aluminum. TiN coating reduces friction and extends tool life. Bottoming chamfer allows threading close to hole bottom. 1/2"-13 UNC thread size, 2B class of fit, 3 flutes, TiN coated high speed steel
OSG
General purpose spiral-flute tap for threading blind holes in steel and aluminum. TiN coating reduces friction and extends tool life. Bottoming chamfer allows threading close to hole bottom. 1/2"-13 UNC thread size, 2B class of fit, 3 flutes, TiN coated high speed steel
OSG Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2991400)
OSG
OSG Spiral Flute Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2991400)
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 1430700)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 1430700)
This spiral-flute tap is designed for threading blind holes in a range of materials. The spiral flute geometry evacuates chips upward, reducing clogging, while the modified bottoming chamfer enables threading close to the hole bottom. It features a H3 ground thread limit for 2B-3B class threads and is suited for general-purpose machining applications
OSG
This spiral-flute tap is designed for threading blind holes in a range of materials. The spiral flute geometry evacuates chips upward, reducing clogging, while the modified bottoming chamfer enables threading close to the hole bottom. It features a H3 ground thread limit for 2B-3B class threads and is suited for general-purpose machining applications
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 3 flutes and a modified bottoming chamfer for threading close to the hole bottom. Thread size 7/16"-14 UNC, tolerance H3 / 2B-3B. Manufacturer part number 2932008
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 3 flutes and a modified bottoming chamfer for threading close to the hole bottom. Thread size 7/16"-14 UNC, tolerance H3 / 2B-3B. Manufacturer part number 2932008