OSG SPIRAL FLUTE Tap: M16x1.25 Metric, D6 / 4H-6H, 3 Flute
The OSG SPIRAL FLUTE Tap is a spiral-flute tap for steel and stainless steel, with M16x1.25 Metric thread size, D6 / 4H-6H tolerance, 3 flutes, and a Modified Bottoming Chamfer (MPN 1650013308). 3G Electric…
SKU 3G-OTH-218655
Need installation or engineering help?
Ask a question
Product Description
The OSG SPIRAL FLUTE Tap is a spiral-flute tap for steel and stainless steel, with M16x1.25 Metric thread size, D6 / 4H-6H tolerance, 3 flutes, and a Modified Bottoming Chamfer (MPN 1650013308). 3G Electric interprets demand and sources this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
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 blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. It is commonly used in automotive, aerospace, and general machining industries.
What are the specifications of the OSG SPIRAL FLUTE tap M16x1.25?
This OSG tap has a metric size of M16x1.25 with a D6 / 4H-6H tolerance class. It features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The manufacturer part number is 1650013308. It is suitable for steel and stainless steel workpieces.
Where to buy OSG SPIRAL FLUTE taps in worldwide?
You can source OSG SPIRAL FLUTE 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 M16x1.25 tap (SKU 395ZF2).
How to select the correct OSG spiral flute tap for stainless steel?
For stainless steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG M16x1.25 model. Ensure the tap has a D6 / 4H-6H tolerance for precise thread fit. Use appropriate cutting fluid and reduce speed by 20-30% compared to steel to prevent work hardening and tool wear.
Used in
Common applications for OSG SPIRAL FLUTEOSG SPIRAL FLUTE Products
3G Electric supplies OSG SPIRAL FLUTE 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.


