APPROVED VENDOR Extension Tap: 5/16"-18 UNC, H3 / 3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 17610)
The APPROVED VENDOR Extension Tap is a 5/16"-18 UNC spiral-point extension tap, type H3 / 3B with a plug chamfer, 2 flutes, and high-speed steel construction (MPN 17610). 3G Electric interprets this demand and…
SKU 3G-OTH-313571
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Product Description
The APPROVED VENDOR Extension Tap is a 5/16"-18 UNC spiral-point extension tap, type H3 / 3B with a plug chamfer, 2 flutes, and high-speed steel construction (MPN 17610). 3G Electric interprets this demand and sources the genuine industrial tap, supporting your machining operations 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 an APPROVED VENDOR extension tap used for?
An APPROVED VENDOR extension tap is used to thread blind holes or hard-to-reach internal threads in metal parts. The extended shank allows access where standard taps cannot reach, making it ideal for maintenance, repair, and production applications in automotive, aerospace, and general manufacturing.
What are the specifications of the APPROVED VENDOR extension tap MPN 17610?
The APPROVED VENDOR extension tap MPN 17610 has a thread size of 5/16"-18 UNC, a thread class of H3 / 3B, 2 flutes, a plug chamfer, and is made from high-speed steel. It is a spiral-point design for efficient chip evacuation. These specs are from the manufacturer part number 17610.
Where to buy APPROVED VENDOR extension taps worldwide?
You can source APPROVED VENDOR extension 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 the MPN 17610 or other extension tap sizes.
How to select the right extension tap for a threading job?
To select the right extension tap, match the thread size and pitch (e.g., 5/16"-18 UNC) to your hole. Choose a plug chamfer for general blind holes, and consider spiral-point flutes for through-hole threading. High-speed steel is suitable for most metals. Always verify the thread class (H3/3B) for fit requirements.
Used in
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.















