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

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer - Oversized Spiral-Point Taps
CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer

The CHICAGO-LATROBE Spiral Point Tap (SKU 313500, MPN 313500) is an oversized spiral-point tap with a 1/4"-20 UNC thread size. It features an H11 / 1B tolerance, plug chamfer, 3 flutes, and is made of high-speed…

SKU 3G-OTH-251215

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer
Category
Oversized 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
313500
Type
H11 / 1B, Plug Chamfer, High Speed Steel
Flute
3

Technical Documents

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 313500, MPN 313500) is an oversized spiral-point tap with a 1/4"-20 UNC thread size. It features an H11 / 1B tolerance, plug chamfer, 3 flutes, and is made of high-speed steel. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in cutting tools and machining.

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 metalworking. Its spiral point pushes chips ahead, preventing clogging. This H11 / 1B oversized tap creates precise internal threads in materials like steel and aluminum, common in automotive and general manufacturing.

What are the specifications of the CHICAGO-LATROBE 313500 tap?

The CHICAGO-LATROBE 313500 is a 1/4"-20 UNC spiral point tap with H11 / 1B oversize tolerance. It has 3 flutes, a plug chamfer, and is made of high-speed steel. This design suits through-hole threading where chip evacuation is critical.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 1/4"-20 UNC spiral point tap to your facility. Contact us for pricing and lead time on this H11 / 1B oversize tap.

How to select the right CHICAGO-LATROBE tap for a job?

Select a CHICAGO-LATROBE tap based on thread size, material, and hole type. For through holes, a spiral point tap like the 1/4"-20 UNC 313500 pushes chips forward. Use H11 / 1B oversize taps for tighter tolerance threads. Match flute count and chamfer to your application.

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 oversized 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: 5/16"-18 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313502)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313502)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313504)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313504)
Oversized spiral-point tap with 5/16"-24 UNF thread, H11 / 1B tolerance, plug chamfer, and 3-flute design. Made from high-speed steel for threading through-holes in metal, pushing chips ahead to reduce clogging. Suitable for general machining applications requiring precise UNF threads
CHICAGO-LATROBE
Oversized spiral-point tap with 5/16"-24 UNF thread, H11 / 1B tolerance, plug chamfer, and 3-flute design. Made from high-speed steel for threading through-holes in metal, pushing chips ahead to reduce clogging. Suitable for general machining applications requiring precise UNF threads
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313509)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313509)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313505)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313505)
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313508)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313508)

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