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: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/16"-24 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H2 / 2B-3B tolerance class (MPN 2926400). 3G Electric interprets your demand for this OEM…

SKU 3G-OTH-230681

Brand
OSG
Item
Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute
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
2926400
Type
H2 / 2B-3B, 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 (5/16"-24 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H2 / 2B-3B tolerance class (MPN 2926400). 3G Electric interprets your demand for this OEM threading tool, sources it across 14 industrial departments, and supports with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the OSG spiral flute tap 5/16-24 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its modified bottoming chamfer allows threading close to the bottom of the hole, while the spiral flute design evacuates chips upward, preventing clogging.

What are the specifications of the OSG 2926400 tap?

The OSG 2926400 is a 5/16-24 UNF spiral flute tap with a H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose tap suitable for producing threads in blind holes, with the H2 limit ensuring precise fit for class 2B or 3B threads.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2926400 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this spiral flute tap for your threading application.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG 5/16-24 UNF model. The spiral design pushes chips out of the hole, preventing breakage. Ensure the chamfer type (modified bottoming) matches your thread depth requirement, and verify the H limit (H2) for your desired thread class.

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: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926401)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926401)
OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926800)
OSG
OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926800)
This OSG spiral-flute tap is designed for general-purpose threading of blind holes. The spiral flute design evacuates chips upward, preventing clogging. It features a modified bottoming chamfer for threading close to the bottom of the hole. Suitable for use in steel and stainless steel in manufacturing and maintenance applications
OSG
This OSG spiral-flute tap is designed for general-purpose threading of blind holes. The spiral flute design evacuates chips upward, preventing clogging. It features a modified bottoming chamfer for threading close to the bottom of the hole. Suitable for use in steel and stainless steel in manufacturing and maintenance applications
OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926808)
OSG
OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926808)
OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926408)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926408)
OSG Spiral Flute Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2927600)
OSG
OSG Spiral Flute Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2927600)

More from OSG

View all OSG parts
General purpose spiral-flute tap for threading blind holes. The spiral flute design lifts chips upward, preventing clogging. Suitable for tapping in steel and aluminum. Thread size #3-48 UNC, H2 / 2B-3B tolerance, 2 flutes, modified bottoming chamfer
OSG
General purpose spiral-flute tap for threading blind holes. The spiral flute design lifts chips upward, preventing clogging. Suitable for tapping in steel and aluminum. Thread size #3-48 UNC, H2 / 2B-3B tolerance, 2 flutes, modified bottoming chamfer
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 thread size of 1 1/4"-8 8UN, a 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 thread size of 1 1/4"-8 8UN, a 2B class of fit, 4 flutes, and a modified bottoming chamfer
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 enabling clean threads in deep or blind applications. Thread size #8-32 UNC, tolerance H2 / 2B-3B, 3 flutes, modified bottoming chamfer
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 enabling clean threads in deep or blind applications. Thread size #8-32 UNC, tolerance H2 / 2B-3B, 3 flutes, modified bottoming chamfer
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a modified bottoming chamfer for threading close to the bottom of blind holes. The spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. Thread size #10-24 UNC, tolerance H3 / 2B-3B, 3 flutes
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features a modified bottoming chamfer for threading close to the bottom of blind holes. The spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. Thread size #10-24 UNC, tolerance H3 / 2B-3B, 3 flutes
General purpose spiral-flute tap for threading blind holes. Features 3 flutes for upward chip evacuation and a modified bottoming chamfer for threading close to hole bottoms. Tolerance class D6 / 4H-6H. Suitable for use in steel and stainless steel in automotive, aerospace, and general manufacturing applications
OSG
General purpose spiral-flute tap for threading blind holes. Features 3 flutes for upward chip evacuation and a modified bottoming chamfer for threading close to hole bottoms. Tolerance class D6 / 4H-6H. Suitable for use in steel and stainless steel in automotive, aerospace, and general manufacturing applications
General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Features a modified bottoming chamfer for threading close to the bottom of blind holes. Suitable for ferrous and non-ferrous materials
OSG
General purpose spiral-flute tap for threading blind holes. The spiral flute design evacuates chips upward, preventing clogging. Features a modified bottoming chamfer for threading close to the bottom of blind holes. Suitable for ferrous and non-ferrous materials
General purpose spiral-flute tap with 5/16"-18 UNC thread size. Features H3 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer for threading blind holes. Spiral flute design evacuates chips upward, suitable for ferrous and non-ferrous materials
OSG
General purpose spiral-flute tap with 5/16"-18 UNC thread size. Features H3 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer for threading blind holes. Spiral flute design evacuates chips upward, suitable for ferrous and non-ferrous materials
General purpose spiral-flute tap for threading blind holes. Features a 2B thread class, bottoming chamfer, and black oxide high-speed steel construction. The 3-flute design evacuates chips upward to prevent clogging. Suitable for steel and stainless steel applications
OSG
General purpose spiral-flute tap for threading blind holes. Features a 2B thread class, bottoming chamfer, and black oxide high-speed steel construction. The 3-flute design evacuates chips upward to prevent clogging. Suitable for steel and stainless steel applications