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CHICAGO-LATROBE Spiral-Point Tap: 5/16"-18 UNC - Spiral-Point Taps for Steel & Stainless Steel
CHICAGO-LATROBESpiral-Point Taps for Steel & Stainless Steel

CHICAGO-LATROBE Spiral-Point Tap: 5/16"-18 UNC

The CHICAGO-LATROBE Spiral Point Tap (5/16"-18 UNC, MPN 330315) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B tolerance, 3-flute design, plug chamfer, and black oxide cobalt finish. 3G…

SKU 3G-OTH-224053

Brand
CHICAGO-LATROBE
Item
Spiral-Point Tap: 5/16"-18 UNC
Part Number
330315
Category
Spiral-Point Taps for Steel & Stainless Steel
Available to Order
Also known as:330315CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
330315
Type
H3 / 2B, Plug Chamfer, Black Oxide Cobalt
Flute
3

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Point Tap (5/16"-18 UNC, MPN 330315) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B tolerance, 3-flute design, plug chamfer, and black oxide cobalt finish. 3G Electric interprets your demand and sources this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls as a trust anchor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 330315 used for?

The CHICAGO-LATROBE Spiral Point Tap 330315 is designed for threading holes in steel and stainless steel. Its spiral-point design pushes chips forward, making it ideal for through-hole applications in industrial manufacturing and metalworking.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 330315?

The CHICAGO-LATROBE Spiral Point Tap 330315 has a 5/16"-18 UNC thread, H3 / 2B tolerance, 3 flutes, plug chamfer, and black oxide cobalt finish. It is designed for steel and stainless steel. The manufacturer part number is 330315.

Where to buy the CHICAGO-LATROBE Spiral Point Tap 330315 worldwide?

You can source the CHICAGO-LATROBE Spiral Point Tap 330315 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations for this tap and other CHICAGO-LATROBE tooling.

How to select the correct CHICAGO-LATROBE Spiral Point Tap for steel?

For steel threading, select a CHICAGO-LATROBE Spiral Point Tap with the correct thread size (e.g., 5/16"-18 UNC), H3 / 2B tolerance for precision, and black oxide cobalt finish for heat resistance. Plug chamfer suits through holes. Match the tap to material hardness for best results.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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CHICAGO-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.

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