OSG #12-28 UNF Spiral-Flute Tap for Steel & Stainless Steel
The OSG Spiral Flute Tap (#12-28 UNF, MPN 1749801) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes. 3G Electric interprets demand…
SKU 3G-OTH-218779
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
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Product Description
The OSG Spiral Flute Tap (#12-28 UNF, MPN 1749801) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes. 3G Electric interprets demand and delivers this genuine industrial tap across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is the OSG spiral flute tap #12-28 UNF used for?
The OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the bottom of the hole. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG tap MPN 1749801?
The OSG tap MPN 1749801 is a #12-28 UNF spiral flute tap with a H3 / 2B-3B tolerance class. It has 3 flutes and a modified bottoming chamfer. This tap is designed for threading blind holes in steel and stainless steel, providing efficient chip evacuation and precise thread formation.
Where to buy OSG taps in worldwide?
You can source OSG taps through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on the OSG spiral flute tap MPN 1749801. We supply genuine OSG cutting tools for industrial applications.
How to select the correct OSG tap for stainless steel?
For stainless steel, select a spiral flute tap with a modified bottoming chamfer, like the OSG #12-28 UNF. Ensure the tap has a H3 / 2B-3B tolerance for proper thread fit. Use appropriate cutting fluid and reduce speed compared to steel. OSG taps are engineered for chip evacuation and extended tool life in tough materials.
Used in
Common applications for OSGOSG 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.
