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

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG M8x1.25 Oversized Spiral-Flute Tap - Oversized Spiral-Flute Taps
OSGOversized Spiral-Flute Taps

OSG M8x1.25 Oversized Spiral-Flute Tap

The OSG Spiral Flute Tap is an M8x1.25 Metric oversized spiral-flute tap with a D11 / 6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2994501). It is designed for threading applications requiring…

SKU 3G-OTH-211262

Brand
OSG
Item
M8x1.25 Oversized Spiral-Flute Tap
Category
Oversized 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
2994501
Type
D11 / 6H, Modified Bottoming Chamfer
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 is an M8x1.25 Metric oversized spiral-flute tap with a D11 / 6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2994501). It is designed for threading applications requiring precise metric sizing.

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. The M8x1.25 metric size with D11 / 6H tolerance suits precision applications in automotive and general machining.

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

This OSG tap has a metric M8x1.25 thread, D11 / 6H tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes to full depth. The manufacturer part number is 2994501. 3G Electric supplies this OSG tap for industrial threading needs.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling logistics, customs, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG spiral flute taps like the M8x1.25 D11 / 6H model. Contact us for availability and lead time on this and other OSG threading tools.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG M8x1.25 with a modified bottoming chamfer to thread close to the hole bottom. Ensure the tap tolerance (D11 / 6H) matches your thread class. 3G Electric can help you select the correct OSG tap for your material and depth 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 oversized 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
OSG Spiral Flute Tap: M10x1 Metric, D11 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 2994701)
OSG
OSG Spiral Flute Tap: M10x1 Metric, D11 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 2994701)
Metric oversized spiral-flute tap with M8x1 thread size. Features a D11 / 2B-3B tolerance class, modified bottoming chamfer, and 3 flutes. Designed for threading blind holes in materials such as steel and aluminum; the spiral flute evacuates chips upward to prevent clogging
OSG
Metric oversized spiral-flute tap with M8x1 thread size. Features a D11 / 2B-3B tolerance class, modified bottoming chamfer, and 3 flutes. Designed for threading blind holes in materials such as steel and aluminum; the spiral flute evacuates chips upward to prevent clogging
OSG spiral-flute tap with M8x1 metric thread, D5 / 4H-6H tolerance class, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in a variety of materials, the spiral flute lifts chips upward to prevent clogging. Suitable for general-purpose machining applications
OSG
OSG spiral-flute tap with M8x1 metric thread, D5 / 4H-6H tolerance class, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in a variety of materials, the spiral flute lifts chips upward to prevent clogging. Suitable for general-purpose machining applications
OSG Spiral Flute Tap: M8x1 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2991308)
OSG
OSG Spiral Flute Tap: M8x1 Metric, D5 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 2991308)
This OSG spiral-flute tap features M10x1.25 metric thread, D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. Designed for threading blind holes in ferrous and non-ferrous materials, the spiral flute design evacuates chips upward to prevent clogging. Suitable for general-purpose tapping in manufacturing and maintenance applications
OSG
This OSG spiral-flute tap features M10x1.25 metric thread, D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. Designed for threading blind holes in ferrous and non-ferrous materials, the spiral flute design evacuates chips upward to prevent clogging. Suitable for general-purpose tapping in manufacturing and maintenance applications
Metric M8x1.25 spiral-flute tap with D5 / 4H-6H tolerance class, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in steel and aluminum, the spiral flute lifts chips upward to prevent clogging and ensure clean threads
OSG
Metric M8x1.25 spiral-flute tap with D5 / 4H-6H tolerance class, 3 flutes, and modified bottoming chamfer. Designed for threading blind holes in steel and aluminum, the spiral flute lifts chips upward to prevent clogging and ensure clean threads

More from OSG

View all OSG parts →
Oversized spiral-flute tap for threading blind holes in materials that produce stringy chips, such as steel and aluminum. The spiral flute design lifts chips out of the hole to prevent clogging. Thread size 5/16-24 UNF, H11 tolerance, 3 flutes, modified bottoming chamfer. Suitable for applications requiring a looser thread fit
OSG
Oversized spiral-flute tap for threading blind holes in materials that produce stringy chips, such as steel and aluminum. The spiral flute design lifts chips out of the hole to prevent clogging. Thread size 5/16-24 UNF, H11 tolerance, 3 flutes, modified bottoming chamfer. Suitable for applications requiring a looser thread fit
OSG Spiral Flute Tap: M6x1 Metric, D11 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 2993901)
OSG
OSG Spiral Flute Tap: M6x1 Metric, D11 / 6H, 3 Flute, Modified Bottoming Chamfer (MPN 2993901)
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-32 UNF thread size, H11 tolerance, and modified bottoming chamfer, it is suited for precision threading applications where chip evacuation and thread accuracy are required
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-32 UNF thread size, H11 tolerance, and modified bottoming chamfer, it is suited for precision threading applications where chip evacuation and thread accuracy are required
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom. Thread size: 7/16"-20 UNF, tolerance H11, 3 flutes
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom. Thread size: 7/16"-20 UNF, tolerance H11, 3 flutes
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-24 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom
OSG
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a #10-24 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for applications requiring threads close to the hole bottom
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute geometry evacuates chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threading close to the bottom of a hole. The D11 / 6H tolerance indicates an oversized thread suitable for use with coated or plated holes
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute geometry evacuates chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threading close to the bottom of a hole. The D11 / 6H tolerance indicates an oversized thread suitable for use with coated or plated holes
Oversized spiral-flute tap for threading blind holes. Features a 3/8"-24 UNF thread, H11 tolerance, 3 flutes, and a modified bottoming chamfer. The spiral flute design pushes chips upward to prevent clogging, enabling clean threads near the hole bottom. Suitable for industrial machining applications
OSG
Oversized spiral-flute tap for threading blind holes. Features a 3/8"-24 UNF thread, H11 tolerance, 3 flutes, and a modified bottoming chamfer. The spiral flute design pushes chips upward to prevent clogging, enabling clean threads near the hole bottom. Suitable for industrial machining applications
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a 1/4"-20 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for through-hole or near-bottom threading applications. The oversized design accommodates situations where standard taps may not achieve the required fit
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward, preventing clogging and ensuring clean threads. With a 1/4"-20 UNC thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer, it is suited for through-hole or near-bottom threading applications. The oversized design accommodates situations where standard taps may not achieve the required fit