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: #6-40 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #6-40 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (#6-40 UNF) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 3 flutes, and V coated powdered metal construction. It is classified as H2 / 2B-3B (MPN…

SKU 3G-OTH-218026

Brand
OSG
Item
Spiral Flute Tap: #6-40 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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
1650509508
Type
H2 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
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 (#6-40 UNF) is a spiral-flute tap for steel and stainless steel, featuring a bottoming chamfer, 3 flutes, and V coated powdered metal construction. It is classified as H2 / 2B-3B (MPN 1650509508).

Frequently Asked Questions

What is OSG spiral flute tap #6-40 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its bottoming chamfer allows threading close to the hole bottom, while the V-coated powdered metal construction provides wear resistance for production tapping.

What are the specifications of OSG spiral flute tap #6-40 UNF?

This OSG tap has a #6-40 UNF thread size, H2 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of V-coated powdered metal, with manufacturer part number 1650509508. It is suited for steel and stainless steel applications.

Where to buy OSG spiral flute tap #6-40 UNF worldwide?

3G Electric supplies OSG taps worldwide, handling logistics, customs, and delivery to your location. As a global industrial solutions provider, we source genuine OSG cutting tools and support procurement across 14 departments. Contact us for availability and lead time.

How to select the right spiral flute tap for steel?

For steel, choose a spiral flute tap with a bottoming chamfer for blind holes. Ensure the thread size (e.g., #6-40 UNF) and tolerance class (e.g., H2 / 2B-3B) match your application. OSG's V-coated powdered metal taps offer durability in production environments.

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 spiral-flute taps for steel & stainless steel. 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: #6-32 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509308)
OSG
OSG Spiral Flute Tap: #6-32 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509308)
OSG Spiral Flute Tap: #6-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509408)
OSG
OSG Spiral Flute Tap: #6-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509408)
OSG Spiral Flute Tap: #8-36 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509808)
OSG
OSG Spiral Flute Tap: #8-36 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509808)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to hole bottom, 2 flutes for chip evacuation, and V coated powdered metal construction. Thread size #5-40 UNC, tolerance H2 / 2B-3B
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to hole bottom, 2 flutes for chip evacuation, and V coated powdered metal construction. Thread size #5-40 UNC, tolerance H2 / 2B-3B
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to the hole bottom and 2 flutes for chip evacuation upward. V coated powdered metal construction with H2 / 2B-3B tolerance class
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading close to the hole bottom and 2 flutes for chip evacuation upward. V coated powdered metal construction with H2 / 2B-3B tolerance class
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer, 3 flutes, and H2 tolerance for class 2B/3B fits. V-coated powdered metal construction provides wear resistance. Suitable for production environments requiring chip evacuation in blind-hole applications
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer, 3 flutes, and H2 tolerance for class 2B/3B fits. V-coated powdered metal construction provides wear resistance. Suitable for production environments requiring chip evacuation in blind-hole applications

More from OSG

View all OSG parts
OSG spiral-flute tap for threading blind holes in steel and stainless steel. Features a #10-24 UNC thread size, H3 tolerance (2B-3B fit), 3 flutes, and bottoming chamfer. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Suitable for general manufacturing applications requiring precise internal threads
OSG
OSG spiral-flute tap for threading blind holes in steel and stainless steel. Features a #10-24 UNC thread size, H3 tolerance (2B-3B fit), 3 flutes, and bottoming chamfer. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Suitable for general manufacturing applications requiring precise internal threads
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes, H6 / 2B-3B tolerance, and modified bottoming chamfer. Chip evacuation upward prevents clogging. Suitable for automotive, aerospace, and general manufacturing applications
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes, H6 / 2B-3B tolerance, and modified bottoming chamfer. Chip evacuation upward prevents clogging. Suitable for automotive, aerospace, and general manufacturing applications
Spiral-flute tap for threading blind holes in steel and stainless steel. M16x2 metric thread, 3 flutes, D7 / 4H-6H tolerance class, modified bottoming chamfer. Chip-lifting flute design prevents clogging in deep-hole applications
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. M16x2 metric thread, 3 flutes, D7 / 4H-6H tolerance class, modified bottoming chamfer. Chip-lifting flute design prevents clogging in deep-hole applications
This spiral-flute tap is designed for threading blind holes in steel and stainless steel. The 4-flute design with modified bottoming chamfer facilitates chip evacuation upward, reducing clogging. It is suitable for general manufacturing applications requiring precise internal threads
OSG
This spiral-flute tap is designed for threading blind holes in steel and stainless steel. The 4-flute design with modified bottoming chamfer facilitates chip evacuation upward, reducing clogging. It is suitable for general manufacturing applications requiring precise internal threads
Spiral-flute tap with 3 flutes, H7 / 2B-3B tolerance, and modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Suitable for general manufacturing applications requiring UNF threads
OSG
Spiral-flute tap with 3 flutes, H7 / 2B-3B tolerance, and modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Suitable for general manufacturing applications requiring UNF threads
Metric spiral-flute tap with M20x2.5 thread size, D7 / 4H-6H tolerance class, 4 flutes, and modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel; the spiral flute evacuates chips upward to prevent clogging in deep holes
OSG
Metric spiral-flute tap with M20x2.5 thread size, D7 / 4H-6H tolerance class, 4 flutes, and modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel; the spiral flute evacuates chips upward to prevent clogging in deep holes
OSG spiral flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging in deep or blind holes. Modified bottoming chamfer allows threading close to the hole bottom. Thread size #8-32 UNC, tolerance class H3 / 2B-3B, 2 flutes
OSG
OSG spiral flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging in deep or blind holes. Modified bottoming chamfer allows threading close to the hole bottom. Thread size #8-32 UNC, tolerance class H3 / 2B-3B, 2 flutes
Metric spiral-flute tap for threading blind holes in steel and stainless steel. M42x3 thread, D10 / 4H-6H tolerance, 4-flute design with modified bottoming chamfer. Chip evacuation upward prevents clogging, enabling threading close to hole bottom
OSG
Metric spiral-flute tap for threading blind holes in steel and stainless steel. M42x3 thread, D10 / 4H-6H tolerance, 4-flute design with modified bottoming chamfer. Chip evacuation upward prevents clogging, enabling threading close to hole bottom