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CHICAGO-LATROBE 1/4"-20 UNC Spiral Point Tap, H5, 3 Flute, Plug Chamfer, 280355 - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 1/4"-20 UNC Spiral Point Tap, H5, 3 Flute, Plug Chamfer, 280355

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-214133

Brand
CHICAGO-LATROBE
Item
1/4"-20 UNC Spiral Point Tap, H5, 3 Flute, Plug Chamfer, 280355
Category
General Purpose Spiral-Point Taps
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
280355

Technical Documents

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

Product Description

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

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 280355 used for?

This spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 1/4"-20 UNC size and plug chamfer make it suitable for general-purpose tapping in manufacturing and maintenance applications where chip evacuation is critical.

What are the specifications of the CHICAGO-LATROBE 280355 tap?

The CHICAGO-LATROBE 280355 is a spiral point tap with 1/4"-20 UNC thread, H5 tolerance for 2B-3B class fit, 3 flutes, and a plug chamfer. It is a general-purpose tap for through-hole threading, manufactured by CHICAGO-LATROBE.

Where to buy CHICAGO-LATROBE 280355 taps worldwide?

3G Electric supplies the CHICAGO-LATROBE 280355 spiral point tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct CHICAGO-LATROBE tap for through-hole threading?

For through-hole threading, choose a spiral point tap like the CHICAGO-LATROBE 280355. Ensure the thread size (1/4"-20 UNC), chamfer type (plug), and flute count (3) match your material and hole depth. Always verify tolerance class (H5) for desired fit.

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 general purpose 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280306)
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CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280306)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer and 3 flutes to push chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring clean, accurate threads
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This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer and 3 flutes to push chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring clean, accurate threads
General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features a 5/16"-24 UNF thread size with H3 / 2B tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward, enabling efficient chip evacuation during production tapping
CHICAGO-LATROBE
General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features a 5/16"-24 UNF thread size with H3 / 2B tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward, enabling efficient chip evacuation during production tapping
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280901)
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CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280901)
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Size 5/16"-18 UNC with H3/2B tolerance, 3 flutes, and plug chamfer. Suitable for manufacturing and maintenance applications
CHICAGO-LATROBE
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Size 5/16"-18 UNC with H3/2B tolerance, 3 flutes, and plug chamfer. Suitable for manufacturing and maintenance applications
General purpose spiral point tap for threading blind or through holes in ferrous and non-ferrous materials. Features a 1/4"-28 UNF thread, H3 / 2B tolerance, 3-flute design, and plug chamfer for efficient chip evacuation in manufacturing and maintenance applications
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General purpose spiral point tap for threading blind or through holes in ferrous and non-ferrous materials. Features a 1/4"-28 UNF thread, H3 / 2B tolerance, 3-flute design, and plug chamfer for efficient chip evacuation in manufacturing and maintenance applications

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CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356589)
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CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356633)
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CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356633)
This spiral-point tap is designed for threading blind holes in production machining. The spiral point geometry pushes chips forward, preventing clogging and enabling efficient chip evacuation. Suitable for general-purpose threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread, H3 / 2B tolerance, bottoming chamfer, and 2-flute design
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This spiral-point tap is designed for threading blind holes in production machining. The spiral point geometry pushes chips forward, preventing clogging and enabling efficient chip evacuation. Suitable for general-purpose threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread, H3 / 2B tolerance, bottoming chamfer, and 2-flute design
General purpose spiral-point tap for through-hole threading. The spiral point design pushes chips ahead, preventing clogging and enabling faster production. Suitable for tapping steel, aluminum, and other materials in manufacturing and maintenance applications
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General purpose spiral-point tap for through-hole threading. The spiral point design pushes chips ahead, preventing clogging and enabling faster production. Suitable for tapping steel, aluminum, and other materials in manufacturing and maintenance applications