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CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357161) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357161)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-215656

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug 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
357161

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 a CHICAGO-LATROBE spiral point tap used for?

A CHICAGO-LATROBE spiral point tap is used for through-hole threading in production environments. Its spiral point design pushes chips ahead, preventing clogging and enabling faster tapping in materials like steel, aluminum, and cast iron.

What are the specifications of the CHICAGO-LATROBE 357161 tap?

The CHICAGO-LATROBE 357161 is a 1/4"-28 UNF spiral point tap with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is designed for general-purpose through-hole threading in industrial applications.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 357161 or other industrial cutting tools.

How to select the right tap for through-hole threading?

For through-hole threading, choose a spiral point tap like the CHICAGO-LATROBE 357161. Match thread size (1/4"-28 UNF), chamfer type (plug for general use), and flute count (2) to your material and machine. Always use proper cutting fluid.

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: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357609)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357609)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357047)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357047)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357401)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357401)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357165)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357165)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring 1/4"-20 UNC threads with H5 tolerance for 2B-3B class fit
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring 1/4"-20 UNC threads with H5 tolerance for 2B-3B class fit
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 357021)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 357021)

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This spiral-point tap is designed for threading #10-32 UNF holes in production and maintenance applications. The bottoming chamfer allows threading close to the bottom of blind holes, while the high-speed steel construction provides cutting capability in ferrous and non-ferrous materials. The H2 / 2B tolerance and 2-flute design support general-purpose threading operations
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This spiral-point tap is designed for threading #10-32 UNF holes in production and maintenance applications. The bottoming chamfer allows threading close to the bottom of blind holes, while the high-speed steel construction provides cutting capability in ferrous and non-ferrous materials. The H2 / 2B tolerance and 2-flute design support general-purpose threading operations
CHICAGO-LATROBE Spiral Point Tap: M10x1.5 Metric, D6 / 6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 360946)
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CHICAGO-LATROBE Spiral Point Tap: M10x1.5 Metric, D6 / 6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 360946)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280603)
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CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280603)
CHICAGO-LATROBE Spiral Point Tap: M8x1.25 Metric, D5 / 6H, 2 Flute, Bottoming Chamfer (MPN 173046)
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CHICAGO-LATROBE Spiral Point Tap: M8x1.25 Metric, D5 / 6H, 2 Flute, Bottoming Chamfer (MPN 173046)
CHICAGO-LATROBE Spiral Point Tap: M2x0.4 Metric, D3 / 6H, 2 Flute, Bottoming Chamfer (MPN 173039)
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CHICAGO-LATROBE Spiral Point Tap: M2x0.4 Metric, D3 / 6H, 2 Flute, Bottoming Chamfer (MPN 173039)
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, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356589)
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
CHICAGO-LATROBE
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