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CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 357179) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 357179)

The CHICAGO-LATROBE Spiral Point Tap (MPN 357179) is a general purpose spiral-point tap with a 1/4"-28 UNF thread size. It features an H3 / 2B tolerance, 2-flute design, and bottoming chamfer for through-hole…

SKU 3G-OTH-215872

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
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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
357179
Type
H3 / 2B, Bottoming Chamfer
Flute
2

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (MPN 357179) is a general purpose spiral-point tap with a 1/4"-28 UNF thread size. It features an H3 / 2B tolerance, 2-flute design, and bottoming chamfer for through-hole threading applications.

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 357179 used for?

The CHICAGO-LATROBE Spiral Point Tap 357179 is used for threading holes in materials like steel and aluminum. Its spiral-point design pushes chips forward, making it ideal for through-hole applications in general manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 357179?

The CHICAGO-LATROBE Spiral Point Tap 357179 has a 1/4"-28 UNF thread size, H3 / 2B tolerance, 2-flute design, and bottoming chamfer. It is a general-purpose spiral-point tap for through-hole threading, with MPN 357179.

Where to buy the CHICAGO-LATROBE Spiral Point Tap 357179 worldwide?

You can source the CHICAGO-LATROBE Spiral Point Tap 357179 through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your operations.

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

To select the correct CHICAGO-LATROBE Spiral Point Tap, match the thread size (e.g., 1/4"-28 UNF), tolerance class (H3 / 2B), and chamfer type (bottoming for blind holes, plug for general use) to your material and hole type. 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 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
This spiral-point tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, preventing clogging. Features a 1/4"-20 UNC thread, H3 / 2B tolerance, 2 flutes, and bottoming chamfer. Suitable for production tapping in general manufacturing applications
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This spiral-point tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, preventing clogging. Features a 1/4"-20 UNC thread, H3 / 2B tolerance, 2 flutes, and bottoming chamfer. Suitable for production tapping in general manufacturing applications
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 357298)
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This spiral-point tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral-point geometry pushes chips ahead, reducing clogging. It features a bottoming chamfer for threading to the bottom of a hole, H3 / 2B tolerance, and is made from high-speed steel with 2 flutes
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This spiral-point tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral-point geometry pushes chips ahead, reducing clogging. It features a bottoming chamfer for threading to the bottom of a hole, H3 / 2B tolerance, and is made from high-speed steel with 2 flutes
This spiral-point tap is designed for threading #10-32 UNF holes in a variety of materials. The bottoming chamfer allows threading close to the bottom of blind holes, while the spiral point pushes chips ahead, reducing clogging in through-hole applications. Suitable for machine or hand use in general metalworking
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This spiral-point tap is designed for threading #10-32 UNF holes in a variety of materials. The bottoming chamfer allows threading close to the bottom of blind holes, while the spiral point pushes chips ahead, reducing clogging in through-hole applications. Suitable for machine or hand use in general metalworking
This spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a bottoming chamfer for threading to the bottom of a hole, with H3 / 2B tolerance and 3 flutes. Commonly used in general manufacturing and maintenance operations
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This spiral-flute tap is designed for threading blind holes in materials such as steel and aluminum. The spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It features a bottoming chamfer for threading to the bottom of a hole, with H3 / 2B tolerance and 3 flutes. Commonly used in general manufacturing and maintenance operations
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a bottoming chamfer for threading close to the bottom of blind holes, with an H3 / 2B tolerance class. The 2-flute design and spiral point push chips forward, reducing clogging. Suitable for general manufacturing applications requiring precise UNF threads
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This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a bottoming chamfer for threading close to the bottom of blind holes, with an H3 / 2B tolerance class. The 2-flute design and spiral point push chips forward, reducing clogging. Suitable for general manufacturing applications requiring precise UNF 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 H2 / 2B tolerance for general-purpose applications. Made from high-speed steel with 2 flutes, it pushes chips forward for clean thread formation
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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 H2 / 2B tolerance for general-purpose applications. Made from high-speed steel with 2 flutes, it pushes chips forward for clean thread formation
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General purpose spiral-point tap for threading through-holes in metal, wood, or plastic. Features a 1/4"-20 UNC thread, H1/2B class fit, 2 flutes, and plug chamfer. The spiral-point design pushes chips forward to prevent clogging and enable faster threading
This spiral-point tap is designed for threading blind or through holes in materials such as steel, aluminum, and cast iron. The spiral-point design pushes chips ahead, facilitating production tapping. It features a 1/4"-28 UNF thread size, H2 / 2B tolerance, plug chamfer, 3 flutes, and is made from high-speed steel
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This spiral-point tap is designed for through-hole threading in production and maintenance applications. The spiral-point geometry pushes chips ahead of the tap, reducing chip congestion and enabling efficient threading in materials such as steel and aluminum. It features a D4 / 6H tolerance, 2-flute design, and plug chamfer, constructed from high-speed steel
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This spiral-point tap is designed for through-hole threading in production and maintenance applications. The spiral-point geometry pushes chips ahead of the tap, reducing chip congestion and enabling efficient threading in materials such as steel and aluminum. It features a D4 / 6H tolerance, 2-flute design, and plug chamfer, constructed from high-speed steel