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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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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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.

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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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: 1/4"-28 UNF, H3 / 3B, 4 Flute, High Speed Steel (MPN 342530)
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