We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

CHICAGO-LATROBE Straight Flute Tap: 5/8"-18 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317904) - Left-Hand Thread Taps
CHICAGO-LATROBELeft-Hand Thread Taps

CHICAGO-LATROBE Straight Flute Tap: 5/8"-18 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317904)

The CHICAGO-LATROBE Straight Flute Tap (SKU 3G-OTH-265159) is a left-hand thread tap with a 5/8"-18 UNF thread size, featuring an H3 / 2B tolerance, 4 flutes, and a plug chamfer. This OEM-sourced tool is part of our…

SKU 3G-OTH-265159

Brand
CHICAGO-LATROBE
Item
Straight Flute Tap: 5/8"-18 UNF, 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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
317904
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 3G-OTH-265159) is a left-hand thread tap with a 5/8"-18 UNF thread size, featuring an H3 / 2B tolerance, 4 flutes, and a plug chamfer. This OEM-sourced tool is part of our curated industrial supply across 14 departments, backed by specialist expertise in combustion, pumps, and controls to ensure you get the right solution.

Frequently Asked Questions

What is a CHICAGO-LATROBE Straight Flute Tap used for?

This left-hand thread tap is used to cut internal UNF threads in metal parts, typically for maintenance, repair, or production work where a left-hand thread is required to prevent loosening under vibration.

What are the specifications of the CHICAGO-LATROBE 317904 tap?

The tap has a 5/8"-18 UNF thread size, H3 / 2B tolerance, 4 flutes, plug chamfer, and left-hand (LH) rotation. 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. We handle full logistics and customs clearance to deliver this 5/8"-18 UNF left-hand tap to your facility, regardless of location.

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

Match the tap to the required thread size, pitch, and hand (left or right). For this CHICAGO-LATROBE tap, use a 5/8"-18 UNF die or thread gauge to verify fit, and ensure the tap drill size matches the 2B class of 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: 7/16"-20 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317722)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 7/16"-20 UNF, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317722)
CHICAGO-LATROBE Straight Flute Tap: 3/8"-16 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317631)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 3/8"-16 UNC, H3 / 2B, 4 Flute, Plug Chamfer, LH (MPN 317631)
CHICAGO-LATROBE Straight Flute Tap: 5/16"-18 UNC, H3 / 2B, 4 Flute, Plug Chamfer (MPN 330053)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 5/16"-18 UNC, H3 / 2B, 4 Flute, Plug Chamfer (MPN 330053)
CHICAGO-LATROBE Straight Flute Tap: 5/16"-18 UNC, H3 / 2B, 4 Flute, Plug Chamfer (MPN 330052)
CHICAGO-LATROBE
CHICAGO-LATROBE Straight Flute Tap: 5/16"-18 UNC, H3 / 2B, 4 Flute, Plug Chamfer (MPN 330052)

More from CHICAGO-LATROBE

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