CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 7/16"-20 UNF, H11 / 1B, 3 Flute, Plug Chamfer

SKU 3G-OTH-251261

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: 7/16"-20 UNF, H11 / 1B, 3 Flute, Plug Chamfer

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

313507

Type

H11 / 1B, Plug Chamfer, High Speed Steel 

Flute

3

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 313507, MPN 313507) is an oversized spiral-point tap with a 7/16"-20 UNF thread, featuring an H11 / 1B tolerance, plug chamfer, and 3-flute high-speed steel construction. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 313507 used for?

The CHICAGO-LATROBE Spiral Point Tap 313507 is used for threading holes in metal, particularly for through-hole applications. Its spiral point design pushes chips forward, reducing clogging. It is suitable for industrial manufacturing and maintenance where precise UNF threads are required.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 313507?

The CHICAGO-LATROBE Spiral Point Tap 313507 has a thread size of 7/16"-20 UNF, with an H11 / 1B tolerance class. It features 3 flutes, a plug chamfer, and is made of high-speed steel. The manufacturer part number is 313507, and it is an oversized spiral-point tap.

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 times on the CHICAGO-LATROBE Spiral Point Tap 313507.

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

To select the right CHICAGO-LATROBE tap, match the thread size and pitch to your hole requirements. For through holes, a spiral point tap like the 313507 is ideal. Consider material hardness and tap tolerance class (e.g., H11 / 1B) for proper fit. Consult a tap selection guide for best results.

Used in

Common applications for CHICAGO-LATROBE

Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.

Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.

Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.

Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.

Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.

General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

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.

Browse all CHICAGO-LATROBE products →Contact our engineers →