Pipe tap details
Drillco 3-1/2-8 Pipe Taps (290E432)
Drillco 290E432 3-1/2-8 Pipe Taps – Model 2900E are precision-engineered for accurate threading of tapered pipe fittings, providing reliable and leak-proof connections in plumbing, industrial, and mechanical applications. Designed specifically for 3-1/2"-8 NPT pipe sizes, these taps feature a spiral point that efficiently ejects chips through the bottom of the hole, reducing clogging and preventing thread damage. Their durable construction and bright finish enhance performance and longevity, making them suitable for use with hand tap wrenches or reversible power tools.
Constructed from premium grade high-speed steel (HSS) for extended durability and tool life
Plug geometry designed for versatile threading applications
Spiral point design ejects chips through the bottom to maintain clean threads
Bright finish provides improved lubricity and reduces friction
Square shank fits standard-sized tap wrenches
Compatible with both manual tap wrenches and reversible power tools
Ensures smooth chip evacuation for accurate, clean threads
Suitable for a range of tapping operations, including manual and powered use
Long-lasting performance reduces the need for frequent tool replacement
Technical Specifications:
Size: 3-1/2"-8 NPT
Tap Type: Pipe Tap with Spiral Point
Material: Premium Grade HSS
Finish: Bright Finish
Shank Style: Square Shank
Application: Tapered pipe thread creation for plumbing and industrial use
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 290E432
