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

OSG 1"-12 UNF Spiral-Flute Tap, H6 / 2B-3B, 4 Flute, Modified Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG 1"-12 UNF Spiral-Flute Tap, H6 / 2B-3B, 4 Flute, Modified Bottoming Chamfer

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-217925

Brand
OSG
Item
1"-12 UNF Spiral-Flute Tap, H6 / 2B-3B, 4 Flute, Modified 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
1650505408

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 Spiral-Flute Taps for Steel & Stainless Steel.

Frequently Asked Questions

What is the OSG spiral flute tap used for?

The OSG spiral flute tap is designed for threading steel and stainless steel. Its spiral flute design evacuates chips upward, making it ideal for blind-hole threading. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threads are required.

What are the specifications of the OSG spiral flute tap MPN 1650505408?

This OSG tap has a thread size of 1"-12 UNF, with a tolerance of H6 / 2B-3B. It features 4 flutes and a modified bottoming chamfer, making it suitable for threading steel and stainless steel. The manufacturer part number is 1650505408.

Where to buy OSG taps in worldwide?

You can source OSG 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 this OSG spiral flute tap.

How to select the correct OSG tap for steel threading?

For steel threading, select an OSG tap with the correct thread size, pitch, and tolerance. This OSG spiral flute tap is designed for 1"-12 UNF threads with H6 / 2B-3B tolerance. Ensure the tap matches your material hardness and hole type—blind holes benefit from spiral flute designs that evacuate chips upward.

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
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a 1"-12 UNF thread size, H4 / 2B-3B tolerance class, 4 flutes, and a modified bottoming chamfer. The spiral flute design lifts chips upward to prevent clogging and ensure clean threads
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a 1"-12 UNF thread size, H4 / 2B-3B tolerance class, 4 flutes, and a modified bottoming chamfer. The spiral flute design lifts chips upward to prevent clogging and ensure clean threads
Spiral-flute tap for threading blind holes in steel and stainless steel. Thread size 7/8"-14 UNF with H6 / 2B-3B tolerance. Features 4 flutes and a modified bottoming chamfer. The spiral flute design evacuates chips upward, suitable for deep-hole tapping in general manufacturing
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Thread size 7/8"-14 UNF with H6 / 2B-3B tolerance. Features 4 flutes and a modified bottoming chamfer. The spiral flute design evacuates chips upward, suitable for deep-hole tapping in general manufacturing
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Features 1"-8 UNC thread, H6 / 2B-3B tolerance, 4 flutes, and modified bottoming chamfer. Suitable for production tapping in general manufacturing applications
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Features 1"-8 UNC thread, H6 / 2B-3B tolerance, 4 flutes, and modified bottoming chamfer. Suitable for production tapping in general manufacturing applications
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Features a modified bottoming chamfer for threading close to the hole bottom. Thread size 1"-8 UNC, tolerance H4 / 2B-3B, 4 flutes
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. Features a modified bottoming chamfer for threading close to the hole bottom. Thread size 1"-8 UNC, tolerance H4 / 2B-3B, 4 flutes
Spiral-flute tap for threading blind holes in steel and stainless steel. Features H3 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer. The spiral flute design pushes chips upward to prevent clogging, enabling threads close to the hole bottom
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features H3 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer. The spiral flute design pushes chips upward to prevent clogging, enabling threads close to the hole bottom
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and H3 tolerance for class 2B and 3B threads. The 3-flute spiral design evacuates chips upward, preventing clogging and ensuring clean threads
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and H3 tolerance for class 2B and 3B threads. The 3-flute spiral design evacuates chips upward, preventing clogging and ensuring clean threads

More from OSG

View all OSG parts
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes, H4 / 2B-3B tolerance, and modified bottoming chamfer. Chip evacuation is upward, preventing clogging. Suitable for high-precision threading applications
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes, H4 / 2B-3B tolerance, and modified bottoming chamfer. Chip evacuation is upward, preventing clogging. Suitable for high-precision threading applications
OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1754108)
OSG
OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1754108)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features H5 / 2B-3B tolerance, modified bottoming chamfer, and 3 flutes for efficient chip evacuation upward
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features H5 / 2B-3B tolerance, modified bottoming chamfer, and 3 flutes for efficient chip evacuation upward
Spiral-flute tap with 3 flutes and modified bottoming chamfer, designed for threading blind holes in steel and stainless steel. Tolerance H3 / 2B-3B. Suitable for general manufacturing applications requiring UNF threads
OSG
Spiral-flute tap with 3 flutes and modified bottoming chamfer, designed for threading blind holes in steel and stainless steel. Tolerance H3 / 2B-3B. Suitable for general manufacturing applications requiring UNF threads
Spiral-flute tap with 3 flutes and modified bottoming chamfer, designed for threading blind holes in steel and stainless steel. H3 / 2B-3B tolerance ensures precise fit. Suitable for CNC and manual tapping applications requiring efficient chip evacuation
OSG
Spiral-flute tap with 3 flutes and modified bottoming chamfer, designed for threading blind holes in steel and stainless steel. H3 / 2B-3B tolerance ensures precise fit. Suitable for CNC and manual tapping applications requiring efficient chip evacuation
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. Features a bottoming chamfer for threading to the bottom of blind holes. Tolerance class H4 / 2B-3B
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. Features a bottoming chamfer for threading to the bottom of blind holes. Tolerance class H4 / 2B-3B
OSG Spiral Flute Tap: #12-24 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0137008)
OSG
OSG Spiral Flute Tap: #12-24 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0137008)
Spiral-flute tap with 4 flutes and modified bottoming chamfer, thread size 1 3/8"-12 UNF, tolerance H8 / 2B-3B. Designed for threading blind holes in steel and stainless steel, the spiral flute design aids chip evacuation upward. Suitable for producing internal threads in general machining applications
OSG
Spiral-flute tap with 4 flutes and modified bottoming chamfer, thread size 1 3/8"-12 UNF, tolerance H8 / 2B-3B. Designed for threading blind holes in steel and stainless steel, the spiral flute design aids chip evacuation upward. Suitable for producing internal threads in general machining applications