CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer
The CHICAGO-LATROBE Spiral Point Tap (SKU 15J343, MPN 330316) is a 5/16"-24 UNF spiral-point tap for steel and stainless steel, featuring an H3 / 2B tolerance, plug chamfer, black oxide cobalt finish, and 3 flutes…
SKU 3G-OTH-224072
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Spiral Point Tap (SKU 15J343, MPN 330316) is a 5/16"-24 UNF spiral-point tap for steel and stainless steel, featuring an H3 / 2B tolerance, plug chamfer, black oxide cobalt finish, and 3 flutes. 3G Electric interprets this demand and sources the genuine OEM product, backed by specialist expertise across 14 industrial departments including cutting tools and machining.
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 CHICAGO-LATROBE Spiral Point Tap 330316 used for?
The CHICAGO-LATROBE Spiral Point Tap 330316 is designed for threading blind or through holes in steel and stainless steel. Its spiral-point design pushes chips ahead, reducing clogging. The black oxide cobalt construction provides heat resistance and durability for production tapping in industrial manufacturing and maintenance applications.
What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 330316?
The CHICAGO-LATROBE Spiral Point Tap 330316 has a thread size of 5/16"-24 UNF, with an H3 / 2B tolerance class. It features 3 flutes, a plug chamfer, and a black oxide cobalt finish. The manufacturer part number is 330316. This tap is designed for threading steel and stainless steel materials.
Where to buy CHICAGO-LATROBE Spiral Point Tap 330316 worldwide?
You can source the CHICAGO-LATROBE Spiral Point Tap 330316 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies this tap for international procurement needs.
How to select the correct CHICAGO-LATROBE Spiral Point Tap for steel?
To select the correct CHICAGO-LATROBE Spiral Point Tap for steel, match the thread size (e.g., 5/16"-24 UNF) and tolerance class (H3 / 2B) to your application. For steel and stainless steel, choose a black oxide cobalt finish for heat resistance. Ensure the plug chamfer and 3-flute design suit your hole type. Consult a tap selection guide for material-specific recommendations.
Used in
Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE spiral-point taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












