CHICAGO-LATROBE Straight Flute Tap: 5/8"-11 UNC, H5 / 2B, 4 Flute, Bottoming Chamfer (MPN 306978)
The CHICAGO-LATROBE Straight Flute Tap (MPN 306978) is a general-purpose hand tap with a 5/8"-11 UNC thread size, featuring an H5 / 2B tolerance, 4 flutes, and a bottoming chamfer. 3G Electric interprets this demand…
SKU 3G-OTH-221683
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Product Description
The CHICAGO-LATROBE Straight Flute Tap (MPN 306978) is a general-purpose hand tap with a 5/8"-11 UNC thread size, featuring an H5 / 2B tolerance, 4 flutes, and a bottoming chamfer. 3G Electric interprets this demand and sources the exact OEM part across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
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 the CHICAGO-LATROBE Straight Flute Tap 306978 used for?
This CHICAGO-LATROBE straight flute tap is used for cutting internal threads in metal workpieces. It is a general-purpose hand tap with a bottoming chamfer, ideal for threading blind holes to the bottom. Common applications include maintenance, repair, and production in automotive, manufacturing, and metalworking industries.
What are the specifications of the CHICAGO-LATROBE Straight Flute Tap 306978?
The CHICAGO-LATROBE tap has a thread size of 5/8"-11 UNC, with an H5 limit and 2B class of fit. It features 4 flutes and a bottoming chamfer. The manufacturer part number is 306978. This tap is designed for general-purpose hand threading in ferrous and non-ferrous materials.
Where to buy CHICAGO-LATROBE Straight Flute Tap 306978 worldwide?
You can source the CHICAGO-LATROBE Straight Flute Tap 306978 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this tap to procurement teams and engineers globally.
How to select the correct CHICAGO-LATROBE tap for a threading job?
To select the correct CHICAGO-LATROBE tap, match the thread size (e.g., 5/8"-11 UNC) and chamfer type to your hole condition. Use a bottoming chamfer for blind holes and a taper chamfer for through holes. Ensure the tap's H limit and class of fit (e.g., H5/2B) align with your required thread tolerance. Consult a tap selection guide for material-specific recommendations.
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3G Electric supplies CHICAGO-LATROBE general purpose hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














