We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

CHICAGO-LATROBE Straight Flute Tap: 1/2"-13 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317755) - Left-Hand Thread Taps
CHICAGO-LATROBELeft-Hand Thread Taps

CHICAGO-LATROBE Straight Flute Tap: 1/2"-13 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317755)

The CHICAGO-LATROBE Straight Flute Tap (SKU 317755, MPN 317755) is a left-hand thread tap for 1/2"-13 UNC threads, featuring an H3 / 2B tolerance, plug chamfer, and 4 flutes. 3G Electric interprets this demand and…

SKU 3G-OTH-265150

Brand
CHICAGO-LATROBE
Item
Straight Flute Tap: 1/2"-13 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH
Category
Left-Hand Thread Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
317755
Type
H3 / 2B, Plug Chamfer, LH
Flute
4

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CHICAGO-LATROBE Straight Flute Tap (SKU 317755, MPN 317755) is a left-hand thread tap for 1/2"-13 UNC threads, featuring an H3 / 2B tolerance, plug chamfer, and 4 flutes. 3G Electric interprets this demand and sources the genuine OEM tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right tap for your threading application.

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 Straight Flute Tap used for?

This left-hand thread tap is used to cut internal UNC threads in metal parts, typically for maintenance or production where reverse-thread fasteners are required. It is common in automotive, aerospace, and industrial machinery applications.

What are the specifications of the CHICAGO-LATROBE 317755 tap?

The CHICAGO-LATROBE 317755 is a 1/2"-13 UNC straight flute tap with H3 / 2B tolerance, 4 flutes, plug chamfer, and left-hand thread. It is designed for through-hole or blind-hole threading in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine cutting tools to your facility, regardless of location.

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

For left-hand threads, ensure the tap is marked LH and matches the thread size and pitch (e.g., 1/2"-13 UNC). Choose plug chamfer for general-purpose threading. Verify material compatibility and tolerance class (H3 / 2B) for proper 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 left-hand thread taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Straight Flute Tap: 5/16"-24 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317607)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 5/16"-24 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317607)
CHICAGO-LATROBE Straight Flute Tap: 3/4"-16 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 318027)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 3/4"-16 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 318027)
General purpose hand tap for cutting internal threads in metal components. Features a 1/2"-13 UNC thread size, H3/2B class of fit, 4-flute design, and plug chamfer for through-hole or blind-hole threading. Suitable for manual or machine use in industrial maintenance and production applications
CHICAGO-LATROBE
General purpose hand tap for cutting internal threads in metal components. Features a 1/2"-13 UNC thread size, H3/2B class of fit, 4-flute design, and plug chamfer for through-hole or blind-hole threading. Suitable for manual or machine use in industrial maintenance and production applications
General purpose hand tap for cutting internal threads in metal components. Creates 1/2"-13 UNC threads with 2B class fit. Straight flute design with 4 flutes and plug chamfer suitable for through-hole or blind-hole threading in ferrous and non-ferrous materials
CHICAGO-LATROBE
General purpose hand tap for cutting internal threads in metal components. Creates 1/2"-13 UNC threads with 2B class fit. Straight flute design with 4 flutes and plug chamfer suitable for through-hole or blind-hole threading in ferrous and non-ferrous materials

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
Left-hand thread tap for cutting internal UNF threads in through or blind holes. Features H3 tolerance for 2B class fit, 4-flute design for chip evacuation, and plug chamfer. Suitable for manual or machine tapping in ferrous and non-ferrous materials
CHICAGO-LATROBE
Left-hand thread tap for cutting internal UNF threads in through or blind holes. Features H3 tolerance for 2B class fit, 4-flute design for chip evacuation, and plug chamfer. Suitable for manual or machine tapping in ferrous and non-ferrous materials
Left-hand thread tap for cutting internal UNC threads. Features H3 / 2B tolerance, 4 straight flutes, and plug chamfer for through-hole threading. Suitable for general-purpose threading in ferrous and non-ferrous materials
CHICAGO-LATROBE
Left-hand thread tap for cutting internal UNC threads. Features H3 / 2B tolerance, 4 straight flutes, and plug chamfer for through-hole threading. Suitable for general-purpose threading in ferrous and non-ferrous materials
CHICAGO-LATROBE Straight Flute Tap: 5/8"-18 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317904)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 5/8"-18 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317904)
CHICAGO-LATROBE Straight Flute Tap: 3/4"-10 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317995)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 3/4"-10 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317995)
CHICAGO-LATROBE Straight Flute Tap: 1/2"-20 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317789)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 1/2"-20 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317789)
CHICAGO-LATROBE Straight Flute Tap: 1/4"-20 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317516)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 1/4"-20 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317516)
CHICAGO-LATROBE Straight Flute Tap: 5/16"-18 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317573)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 5/16"-18 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317573)
CHICAGO-LATROBE Straight Flute Tap: 3/8"-24 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317664)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 3/8"-24 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317664)