OSG SPIRAL FLUTE Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer
The OSG SPIRAL FLUTE Tap (1/2"-13 UNC) is a coolant-through spiral-flute tap for aluminum, featuring H5 / 2B-3B tolerance, a modified bottoming chamfer, and carbide construction with 3 flutes (MPN 1660501000). 3G…
SKU 3G-OTH-211193
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Product Description
The OSG SPIRAL FLUTE Tap (1/2"-13 UNC) is a coolant-through spiral-flute tap for aluminum, featuring H5 / 2B-3B tolerance, a modified bottoming chamfer, and carbide construction with 3 flutes (MPN 1660501000). 3G Electric interprets this demand and sources the genuine OEM part, supporting your machining operations across 14 industrial departments with specialist depth in cutting tools and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG SPIRAL FLUTE tap used for?
The OSG SPIRAL FLUTE tap is designed for threading aluminum and non-ferrous materials in CNC machining. Its spiral-flute design evacuates chips upward, making it ideal for blind-hole tapping. The coolant-through capability improves lubrication and extends tool life in production environments.
What are the specifications of the OSG SPIRAL FLUTE tap?
This tap has a 1/2"-13 UNC thread size, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is made of carbide and includes coolant-through holes for efficient chip evacuation. The manufacturer part number is 1660501000.
Where to buy OSG SPIRAL FLUTE taps worldwide?
3G Electric supplies OSG SPIRAL FLUTE taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this carbide tap.
How to select the right OSG SPIRAL FLUTE tap for aluminum?
For aluminum, choose a carbide tap with coolant-through capability and a modified bottoming chamfer, like this OSG model. Ensure the thread size (1/2"-13 UNC) matches your application. Use proper cutting fluid and spindle speed to prevent chip buildup and extend tool life.
Used in
Common applications for OSG SPIRAL FLUTEOSG SPIRAL FLUTE Products
3G Electric supplies OSG SPIRAL FLUTE coolant-through spiral-flute taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





