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CHICAGO-LATROBE Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, LH - Left-Hand Three-Piece Hand Tap Sets
CHICAGO-LATROBELeft-Hand Three-Piece Hand Tap Sets

CHICAGO-LATROBE Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, LH

CHICAGO-LATROBE Left-Hand Three-Piece Hand Tap Sets.

SKU 3G-OTH-314888

Brand
CHICAGO-LATROBE
Item
Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, LH
Category
Left-Hand Three-Piece Hand Tap Sets
Available to Order
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Worldwide Shipping
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Technical specs
1-Day Quote
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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
318779

Technical Documents

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

Product Description

CHICAGO-LATROBE Left-Hand Three-Piece Hand Tap Sets.

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 left-hand tap kit used for?

This CHICAGO-LATROBE tap kit is used to cut left-hand internal threads in metal parts, typically for applications where reverse rotation or vibration could loosen standard right-hand threads. It is common in automotive, aerospace, and industrial maintenance.

What are the specifications of the CHICAGO-LATROBE 318779 tap kit?

The CHICAGO-LATROBE 318779 tap kit includes one bottoming tap with 1/4"-28 UNF thread, H3 / 3B tolerance, 4 flute, left-hand cut, made from high-speed steel. It is designed for through-hole or blind-hole threading in ferrous materials.

Where to buy CHICAGO-LATROBE tap kits worldwide?

3G Electric supplies CHICAGO-LATROBE tap kits worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 318779 left-hand tap kit.

How to select the correct tap kit for left-hand threads?

To select a left-hand tap kit like the CHICAGO-LATROBE 318779, match the thread size (1/4"-28 UNF), direction (left-hand), and tolerance class (H3 / 3B) to your application. Use a bottoming tap for blind holes; a taper or plug tap for through holes.

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 left-hand three-piece hand tap sets. 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 Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, High Speed Steel (MPN 342530)
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CHICAGO-LATROBE Tap Kit: #12-28 UNF, H3 / 2B, 4 Flute, High Speed Steel (MPN 341839)
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CHICAGO-LATROBE Tap Kit: #12-28 UNF, H3 / 2B, 4 Flute, High Speed Steel (MPN 341839)
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal. Designed for 5/8"-18 UNF holes with H3/3B tolerance, each tap has 4 flutes and is made of high-speed steel. Suitable for maintenance, repair, and production threading applications
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This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal. Designed for 5/8"-18 UNF holes with H3/3B tolerance, each tap has 4 flutes and is made of high-speed steel. Suitable for maintenance, repair, and production threading applications
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal. Each tap features 4 flutes and is made of high-speed steel with H3/3B tolerance. Thread size is 3/8"-24 UNF. Suitable for maintenance, repair, and production work
CHICAGO-LATROBE
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal. Each tap features 4 flutes and is made of high-speed steel with H3/3B tolerance. Thread size is 3/8"-24 UNF. Suitable for maintenance, repair, and production work
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal. Each tap is made of high-speed steel with 4 flutes for chip evacuation. Thread size is 5/16"-24 UNF with H3/3B tolerance. Suitable for general threading applications in maintenance, repair, and production work
CHICAGO-LATROBE
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal. Each tap is made of high-speed steel with 4 flutes for chip evacuation. Thread size is 5/16"-24 UNF with H3/3B tolerance. Suitable for general threading applications in maintenance, repair, and production work
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal UNF threads in metal. Each tap is made of high-speed steel with 4 flutes for chip evacuation. Thread size is 9/16"-18 UNF with H3 limit and 3B class fit. Used for starting, continuing, and finishing threads to the bottom of blind holes in general machining applications
CHICAGO-LATROBE
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal UNF threads in metal. Each tap is made of high-speed steel with 4 flutes for chip evacuation. Thread size is 9/16"-18 UNF with H3 limit and 3B class fit. Used for starting, continuing, and finishing threads to the bottom of blind holes in general machining applications

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CHICAGO-LATROBE Tap Kit: #8-32 UNC, H3 / 2B, 4 Flute, LH, High Speed Steel (MPN 341912)
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This three-piece hand tap set is designed for cutting left-hand internal threads in metal parts. It is suitable for manual threading in ferrous and non-ferrous materials, commonly used in applications where reverse rotation could loosen standard right-hand threads
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This three-piece hand tap set is designed for cutting left-hand internal threads in metal parts. It is suitable for manual threading in ferrous and non-ferrous materials, commonly used in applications where reverse rotation could loosen standard right-hand threads