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CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H11 / 1B, 3 Flute, Plug Chamfer - Oversized Spiral-Point Taps
CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H11 / 1B, 3 Flute, Plug Chamfer

The CHICAGO-LATROBE Spiral Point Tap (SKU 313506, MPN 313506) is an oversized spiral-point tap with a 7/16"-14 UNC thread size. It features an H11 / 1B tolerance, plug chamfer, 3 flutes, and is made from high-speed…

SKU 3G-OTH-251219

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 7/16"-14 UNC, H11 / 1B, 3 Flute, Plug Chamfer
Part Number
313506
Category
Oversized Spiral-Point Taps
Available to Order
Also known as:313506CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
313506
Type
H11 / 1B, Plug Chamfer, High Speed Steel
Flute
3

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 313506, MPN 313506) is an oversized spiral-point tap with a 7/16"-14 UNC thread size. It features an H11 / 1B tolerance, plug chamfer, 3 flutes, and is made from high-speed steel.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 313506 used for?

The CHICAGO-LATROBE Spiral Point Tap 313506 is used for threading holes in metalworking applications. Its spiral-point design pushes chips ahead, making it ideal for through-hole tapping in production environments. The H11 / 1B oversize tolerance suits applications requiring a slightly larger thread fit.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 313506?

The CHICAGO-LATROBE Spiral Point Tap 313506 has a 7/16"-14 UNC thread size, H11 / 1B oversize tolerance, 3 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 313506. It is designed for through-hole tapping in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE taps in worldwide?

You can source CHICAGO-LATROBE 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 CHICAGO-LATROBE Spiral Point Tap 313506.

How to select the correct CHICAGO-LATROBE tap for a threading job?

To select the correct CHICAGO-LATROBE tap, match the thread size (e.g., 7/16"-14 UNC), chamfer type (plug for through-holes), and tolerance class (H11 / 1B for oversize fit). Consider material hardness and tap coating. For spiral-point taps, ensure the flute count suits chip evacuation in through-hole applications.

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 oversized spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Oversized spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H11/1B tolerance, 4 flutes, and plug chamfer. The spiral point design pushes chips forward, reducing clogging in production threading applications
CHICAGO-LATROBE
Oversized spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H11/1B tolerance, 4 flutes, and plug chamfer. The spiral point design pushes chips forward, reducing clogging in production threading applications

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