APPROVED VENDOR Spiral Flute Tap: 1/4"-20 UNC, H3 / 3B, 2 Flute, Plug Chamfer
The APPROVED VENDOR Spiral Flute Tap (SKU 11V278, MPN 15516) is a 1/4"-20 UNC spiral-point extension tap with H3 / 3B tolerance, 2-flute design, plug chamfer, and high-speed steel construction. 3G Electric interprets…
SKU 3G-OTH-313621
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Product Description
The APPROVED VENDOR Spiral Flute Tap (SKU 11V278, MPN 15516) is a 1/4"-20 UNC spiral-point extension tap with H3 / 3B tolerance, 2-flute design, plug chamfer, and high-speed steel construction. 3G Electric interprets your demand for this specific threading tool, sources it from our extensive industrial supply network, and supports your procurement with specialist expertise across 14 departments — including machining — backed by deep knowledge in combustion, pumps, 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 APPROVED VENDOR Spiral Flute Tap 1/4"-20 UNC used for?
This tap is used for cutting internal threads in through-hole applications. Its spiral flute design evacuates chips forward, making it ideal for high-speed production threading in ferrous and non-ferrous materials. Common in automotive, aerospace, and general manufacturing.
What are the specifications of the APPROVED VENDOR Spiral Flute Tap 1/4"-20 UNC?
The tap has a 1/4"-20 UNC thread size, H3 / 3B tolerance, 2 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 15516. It is designed for through-hole threading and provides good chip evacuation.
Where to buy the APPROVED VENDOR Spiral Flute Tap 1/4"-20 UNC worldwide?
3G Electric supplies this APPROVED VENDOR tap worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver industrial cutting tools globally.
How to select the correct spiral flute tap for UNC threads?
Select based on thread size (e.g., 1/4"-20 UNC), material (high-speed steel for general use), flute count (2 flutes for chip clearance), and chamfer type (plug for through-holes). Match tolerance class (H3 / 3B) to your application. Consult a tap selection guide for specific materials.
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Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
