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CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer (MPN 313555) - Oversized Spiral-Point Taps
CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer (MPN 313555)

CHICAGO-LATROBE Oversized Spiral-Point Taps.

SKU 3G-OTH-251190

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer
Part Number
313555
Category
Oversized Spiral-Point Taps
Available to Order
Also known as:313555CHICAGO-LATROBE
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
313555

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

Product Description

CHICAGO-LATROBE Oversized Spiral-Point Taps.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 313555 used for?

The CHICAGO-LATROBE Spiral Point Tap 313555 is designed for threading through-holes in metal. Its spiral-point design pushes chips ahead, reducing clogging. It is commonly used in automotive, aerospace, and general manufacturing for creating clean internal threads in steel, aluminum, and alloys.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 313555?

The CHICAGO-LATROBE Spiral Point Tap 313555 has a thread size of 1/4"-20 UNC, with an H11 / 1B tolerance class. It features 3 flutes and a plug chamfer. The manufacturer part number is 313555. It is an oversized spiral-point tap for precise threading in through-hole applications.

Where to buy CHICAGO-LATROBE Spiral Point Tap 313555 worldwide?

You can source the CHICAGO-LATROBE Spiral Point Tap 313555 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; we supply this tap to manufacturing facilities globally.

How to select the correct CHICAGO-LATROBE Spiral Point Tap for through-hole threading?

To select the correct CHICAGO-LATROBE Spiral Point Tap, match the thread size (e.g., 1/4"-20 UNC) and tolerance class (H11 / 1B) to your hole specifications. Use a plug chamfer for through-holes. Ensure the tap is oversized if required for coating or material expansion. Consult a tap selection guide for material-specific recommendations.

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.
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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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