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: #8-32 UNC, H5 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2917801) - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #8-32 UNC, H5 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2917801)

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230776

Brand
OSG
Item
Spiral Flute Tap: #8-32 UNC, H5 / 2B, 3 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
2917801

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 #8-32 UNC used for?

The OSG spiral flute tap #8-32 UNC is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threading is required.

What are the specifications of the OSG spiral flute tap #8-32 UNC?

The OSG spiral flute tap has a #8-32 UNC thread size, H5 tolerance for the tap, and 2B class of fit for the threaded hole. It features 3 flutes and a modified bottoming chamfer, allowing threading close to the bottom of blind holes. The manufacturer part number is 2917801.

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 spiral flute tap #8-32 UNC (MPN 2917801).

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., #8-32 UNC) and class of fit (e.g., 2B) to your application. Choose a modified bottoming chamfer for threading close to the hole bottom. Ensure the tap material suits your workpiece—OSG taps are available for steel, aluminum, and cast iron.

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
OSG Spiral Flute Tap: #8-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2918001)
OSG
OSG Spiral Flute Tap: #8-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2918001)
OSG Spiral Flute Tap: #6-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2917501)
OSG
OSG Spiral Flute Tap: #6-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2917501)
OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2912800)
OSG
OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2912800)
Spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Thread size #8-32 UNC, tolerance H3 / 2B-3B, 3 flutes, modified bottoming chamfer
OSG
Spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Thread size #8-32 UNC, tolerance H3 / 2B-3B, 3 flutes, modified bottoming chamfer
OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907801)
OSG
OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907801)
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. The modified bottoming chamfer allows threading close to the hole bottom. Thread size: #8-32 UNC, H11 tolerance, 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 evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. The modified bottoming chamfer allows threading close to the hole bottom. Thread size: #8-32 UNC, H11 tolerance, 3 flutes

More from OSG

View all OSG parts
OSG Spiral Flute Tap: M18x2.5 Metric, D7 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 2993201)
OSG
OSG Spiral Flute Tap: M18x2.5 Metric, D7 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 2993201)
Spiral-flute tap for threading blind holes. Thread size #6-32 UNC, H5 tolerance for 2B-3B class fit, 3 flutes, modified bottoming chamfer. Chip evacuation upward prevents clogging. Suitable for steel and aluminum
OSG
Spiral-flute tap for threading blind holes. Thread size #6-32 UNC, H5 tolerance for 2B-3B class fit, 3 flutes, modified bottoming chamfer. Chip evacuation upward prevents clogging. Suitable for steel and aluminum
This OSG spiral-flute tap is designed for threading blind holes in steel and aluminum. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for through-hole or deep-hole applications where chip evacuation is critical. The D4 / 4H-6H tolerance class provides precise thread fit for general-purpose threading
OSG
This OSG spiral-flute tap is designed for threading blind holes in steel and aluminum. The spiral flute lifts chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suited for through-hole or deep-hole applications where chip evacuation is critical. The D4 / 4H-6H tolerance class provides precise thread fit for general-purpose threading
General purpose spiral-flute tap for threading blind holes. Made of high-speed steel with a plug chamfer and 3 flutes to evacuate chips upward. Thread size #8-32 UNC, tolerance H2 / 2B-3B. Suitable for tapping in steel and aluminum
OSG
General purpose spiral-flute tap for threading blind holes. Made of high-speed steel with a plug chamfer and 3 flutes to evacuate chips upward. Thread size #8-32 UNC, tolerance H2 / 2B-3B. Suitable for tapping in steel and aluminum
This OSG spiral-flute tap is designed for threading blind holes in steel and cast iron. It features a bottoming chamfer and 4 flutes to evacuate chips upward. Made from high-speed steel, it is rated H3 / 2B-3B for class 2B or 3B fit. Suitable for general-purpose tapping in machining and maintenance applications
OSG
This OSG spiral-flute tap is designed for threading blind holes in steel and cast iron. It features a bottoming chamfer and 4 flutes to evacuate chips upward. Made from high-speed steel, it is rated H3 / 2B-3B for class 2B or 3B fit. Suitable for general-purpose tapping in machining and maintenance applications
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. #10-32 UNF thread size, H3 / 2B-3B tolerance class, 3 flutes, bottoming chamfer. Suitable for applications requiring threading close to the hole bottom
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. #10-32 UNF thread size, H3 / 2B-3B tolerance class, 3 flutes, bottoming chamfer. Suitable for applications requiring threading close to the hole bottom
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. The tap features a 1"-8 UNC thread, H5 tolerance for 2B-3B class fit, 4 flutes, and a modified bottoming chamfer. Suitable for general machining applications
OSG
This OSG spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. The tap features a 1"-8 UNC thread, H5 tolerance for 2B-3B class fit, 4 flutes, and a modified bottoming chamfer. Suitable for general machining applications
This spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward during cutting, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threads to be cut close to the bottom of a blind hole. The H7 / 2B-3B tolerance class provides a precise fit for general-purpose threading applications
OSG
This spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute geometry pushes chips upward during cutting, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it allows threads to be cut close to the bottom of a blind hole. The H7 / 2B-3B tolerance class provides a precise fit for general-purpose threading applications