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CHICAGO-LATROBE 5/16"-18 UNC General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 5/16"-18 UNC General Purpose Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (MPN 357280) is a 5/16"-18 UNC general purpose spiral-point tap, specified as H3 / 2B with a plug chamfer and 2 flutes, made from high-speed steel. 3G Electric interprets your…

SKU 3G-OTH-214168

Brand
CHICAGO-LATROBE
Item
5/16"-18 UNC General Purpose Spiral-Point Tap
Category
General Purpose Spiral-Point Taps
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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
357280
Type
H3 / 2B, Plug Chamfer, High Speed Steel
Flute
2

Technical Documents

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (MPN 357280) is a 5/16"-18 UNC general purpose spiral-point tap, specified as H3 / 2B with a plug chamfer and 2 flutes, made from high-speed steel. 3G Electric interprets your demand for this OEM tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 357280 used for?

This spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 2-flute design pushes chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general manufacturing where clean UNC threads are required.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 357280?

This tap has a 5/16"-18 UNC thread size with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) for durability. The manufacturer part number is 357280, and it is a general-purpose spiral-point tap for through-hole threading.

Where to buy CHICAGO-LATROBE Spiral Point Tap 357280 worldwide?

3G Electric supplies the CHICAGO-LATROBE Spiral Point Tap 357280 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tap globally.

How to select the correct CHICAGO-LATROBE Spiral Point Tap for through-hole threading?

For through-hole threading, choose a spiral point tap like this CHICAGO-LATROBE model to push chips forward. Match the thread size (5/16"-18 UNC), chamfer type (plug), and material (HSS) to your workpiece. Ensure the H3 tolerance aligns with your required 2B class fit for consistent results.

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 general purpose 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, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357322)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357322)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357264)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357264)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357249)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357249)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357348)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357348)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357546)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357546)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357405)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357405)

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