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

OSG M8x1.25 General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG M8x1.25 General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap (M8x1.25 Metric, MPN 2988400) is a general-purpose spiral-flute tap with a 6H tolerance, bottoming chamfer, 3 flutes, and high-speed steel construction. 3G Electric interprets customer demand…

SKU 3G-OTH-230679

Brand
OSG
Item
M8x1.25 General Purpose Spiral-Flute Tap
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
2988400
Type
6H, Bottoming Chamfer, High Speed Steel
Flute
3

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

The OSG Spiral Flute Tap (M8x1.25 Metric, MPN 2988400) is a general-purpose spiral-flute tap with a 6H tolerance, bottoming chamfer, 3 flutes, and high-speed steel construction. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is the OSG spiral flute tap M8x1.25 used for?

The OSG spiral flute tap M8x1.25 is used for threading blind holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This tap is ideal for general-purpose machining in automotive, aerospace, and industrial manufacturing applications.

What are the specifications of the OSG spiral flute tap M8x1.25?

The OSG spiral flute tap has an M8x1.25 metric thread, 6H tolerance, 3 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) and carries manufacturer part number 2988400. This tap is designed for threading blind holes in general-purpose applications.

Where to buy OSG spiral flute taps 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 times on the OSG 2988400 tap.

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

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., M8x1.25) and tolerance (6H) to your application. Use a bottoming chamfer for threading to the hole bottom. Ensure the tap material (HSS) suits the workpiece hardness. Consult OSG's technical data for optimal 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. M8x1.25 thread, 6H tolerance, bottoming chamfer allows threading to the bottom. Black oxide high-speed steel construction with 3 flutes for upward chip evacuation
OSG
General purpose spiral-flute tap for threading blind holes. M8x1.25 thread, 6H tolerance, bottoming chamfer allows threading to the bottom. Black oxide high-speed steel construction with 3 flutes for upward chip evacuation
OSG Spiral Flute Tap: M6x1 Metric, 6H, 3 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2988305)
OSG
OSG Spiral Flute Tap: M6x1 Metric, 6H, 3 Flute, Bottoming Chamfer, TiN Coated High Speed Steel (MPN 2988305)
High-speed steel spiral-flute tap with M5x0.8 metric thread, 6H tolerance, bottoming chamfer, and 3 flutes. Designed for threading blind holes in metal, where chips must be evacuated upward. Suitable for general-purpose threading in steel, aluminum, and alloys
OSG
High-speed steel spiral-flute tap with M5x0.8 metric thread, 6H tolerance, bottoming chamfer, and 3 flutes. Designed for threading blind holes in metal, where chips must be evacuated upward. Suitable for general-purpose threading in steel, aluminum, and alloys
General-purpose spiral-flute tap for threading blind holes in metal, where chips must be evacuated upward. Features a bottoming chamfer for threading close to the hole bottom. Made from high-speed steel with a 6H tolerance and 3-flute design. Suitable for automotive, aerospace, and general machining applications
OSG
General-purpose spiral-flute tap for threading blind holes in metal, where chips must be evacuated upward. Features a bottoming chamfer for threading close to the hole bottom. Made from high-speed steel with a 6H tolerance and 3-flute design. Suitable for automotive, aerospace, and general machining applications
General purpose spiral-flute tap for threading blind holes in metal. M12x1.75 metric thread, 6H tolerance, bottoming chamfer, 3-flute design, high-speed steel construction. Spiral flute lifts chips upward to prevent clogging
OSG
General purpose spiral-flute tap for threading blind holes in metal. M12x1.75 metric thread, 6H tolerance, bottoming chamfer, 3-flute design, high-speed steel construction. Spiral flute lifts chips upward to prevent clogging
This OSG spiral-flute tap is designed for threading blind holes in metal, where chips must be evacuated upward. It features a 6H tolerance, bottoming chamfer, 3 flutes, and high-speed steel construction. Suitable for general machining applications requiring M4 metric threads with 0.7 mm pitch in ferrous and non-ferrous materials
OSG
This OSG spiral-flute tap is designed for threading blind holes in metal, where chips must be evacuated upward. It features a 6H tolerance, bottoming chamfer, 3 flutes, and high-speed steel construction. Suitable for general machining applications requiring M4 metric threads with 0.7 mm pitch in ferrous and non-ferrous materials

More from OSG

View all OSG parts
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a 1 3/8"-6 UNC thread size, 2B class of fit, 4 flutes, and a modified bottoming chamfer
OSG
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a 1 3/8"-6 UNC thread size, 2B class of fit, 4 flutes, and a modified bottoming chamfer
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its 4-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it suitable for applications where chip clearance is critical
OSG
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its 4-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it suitable for applications where chip clearance is critical
Spiral-flute tap designed for threading blind holes. The spiral flute lifts chips upward, preventing clogging. Suitable for general machining applications in materials such as steel and aluminum
OSG
Spiral-flute tap designed for threading blind holes. The spiral flute lifts chips upward, preventing clogging. Suitable for general machining applications in materials such as steel and aluminum
General purpose spiral-flute tap for threading blind holes in metal. Made from high-speed steel with a 6H tolerance class, bottoming chamfer, and 3 flutes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for use in steel and non-ferrous materials
OSG
General purpose spiral-flute tap for threading blind holes in metal. Made from high-speed steel with a 6H tolerance class, bottoming chamfer, and 3 flutes. The spiral flute design evacuates chips upward, preventing clogging. Suitable for use in steel and non-ferrous materials
General purpose spiral-flute tap for threading blind holes. Bottoming chamfer allows threading close to hole bottom. 2-flute design clears chips upward. Suitable for ferrous and non-ferrous materials
OSG
General purpose spiral-flute tap for threading blind holes. Bottoming chamfer allows threading close to hole bottom. 2-flute design clears chips upward. Suitable for ferrous and non-ferrous materials
General purpose spiral-flute tap for threading blind holes. Features a modified bottoming chamfer and 3 flutes to evacuate chips upward, preventing clogging. Suitable for class 2B or 3B fit in steel and aluminum
OSG
General purpose spiral-flute tap for threading blind holes. Features a modified bottoming chamfer and 3 flutes to evacuate chips upward, preventing clogging. Suitable for class 2B or 3B fit in steel and aluminum
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging. It features a modified bottoming chamfer and H2 / 2B-3B tolerance for producing internal threads to Class 2B or 3B fit. Suitable for general machining applications requiring clean, accurate threads
OSG
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging. It features a modified bottoming chamfer and H2 / 2B-3B tolerance for producing internal threads to Class 2B or 3B fit. Suitable for general machining applications requiring clean, accurate threads
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design pushes chips upward during threading, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for applications requiring threads close to the bottom of the hole. The tap has a 1/4"-28 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design pushes chips upward during threading, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for applications requiring threads close to the bottom of the hole. The tap has a 1/4"-28 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes