OEM Spiral Flute Tap: 1/4"-20 UNC
The APPROVED VENDOR Spiral Flute Tap (SKU 15516, 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
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The APPROVED VENDOR Spiral Flute Tap (SKU 15516, 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.
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.
OEM Products
3G Electric supplies OEM spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
