OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1650503108).
SKU 3G-OTH-218768
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The OSG Spiral Flute Tap (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1650503108).
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 an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral design pulls chips upward and out of the hole, preventing chip clogging and ensuring clean threads. This makes it ideal for automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG 7/16"-20 UNF spiral flute tap?
This OSG tap has a 7/16"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The H3 tolerance ensures precise fit for class 2B and 3B threads.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. We source genuine OSG cutting tools and handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the OSG 7/16"-20 UNF spiral flute tap (MPN 1650503108).
How to select the right spiral flute tap for steel?
For steel, choose a spiral flute tap with a modified bottoming chamfer to thread blind holes. Match the thread size (e.g., 7/16"-20 UNF) and tolerance (H3 for 2B/3B fit). OSG taps are engineered for chip evacuation in steel and stainless steel, reducing breakage and improving thread quality.
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.
