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CLEVELAND Spiral-Flute Tap: 3/8"-16 UNC - Spiral-Flute Taps for Steel & Stainless Steel
CLEVELANDSpiral-Flute Taps for Steel & Stainless Steel

CLEVELAND Spiral-Flute Tap: 3/8"-16 UNC

The CLEVELAND Spiral Flute Tap (3/8"-16 UNC, Type 2B, Semi-Bottoming Chamfer, Black Oxide Cobalt, 3 Flute, MPN C89318) is a spiral-flute tap for steel and stainless steel. 3G Electric interprets demand and delivers…

SKU 3G-OTH-218952

Also listed as: C 89318 · C-89318

Brand
CLEVELAND
Item
Spiral-Flute Tap: 3/8"-16 UNC
Part Number
C89318
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
Also known as:C89318CLEVELAND
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C89318
Type
2B, Semi-Bottoming Chamfer, Black Oxide Cobalt
Flute
3

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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Spiral Flute Tap (3/8"-16 UNC, Type 2B, Semi-Bottoming Chamfer, Black Oxide Cobalt, 3 Flute, MPN C89318) is a spiral-flute tap for steel and stainless steel. 3G Electric interprets demand and delivers this genuine industrial tap across 14 departments—and far more—with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the CLEVELAND Spiral Flute Tap C89318 used for?

The CLEVELAND C89318 spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging, while the semi-bottoming chamfer allows threading close to the hole bottom. The black oxide cobalt construction provides heat resistance and durability for industrial tapping applications.

What are the specifications of the CLEVELAND C89318 tap?

The CLEVELAND C89318 is a 3/8"-16 UNC, 2B class of fit tap with 3 flutes and a semi-bottoming chamfer. It features a black oxide cobalt finish for enhanced wear resistance and is designed for steel and stainless steel. The manufacturer part number is C89318, and it is a spiral flute tap optimized for chip evacuation in blind holes.

Where to buy CLEVELAND C89318 taps worldwide?

CLEVELAND C89318 spiral flute taps are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on this and other CLEVELAND tapping tools.

How to select the right CLEVELAND spiral flute tap for steel?

For steel and stainless steel, choose a CLEVELAND spiral flute tap with black oxide cobalt coating for heat resistance. Match the tap size to the required thread (e.g., 3/8"-16 UNC) and class of fit (e.g., 2B). Use a semi-bottoming chamfer for blind holes. Ensure the tap has sufficient flutes (e.g., 3) for chip evacuation. Always follow manufacturer speed and lubrication recommendations.

Used in

Common applications for CLEVELAND
Aerospace assembly — Cleveland NAS 907 Type J aircraft-extension drill bits for long-reach drilling in confined airframe structures.
General machining — Cleveland AlTiN-coated carbide square end mills for milling steel and stainless steel components.
Metal fabrication — Cleveland 82° single-flute countersinks for seating flat-head screws in inch-based assemblies.
Maintenance and repair — Cleveland black oxide high-speed steel countersinks for deburring and chamfering holes in plant equipment.
Automotive and engine work — Cleveland cobalt aircraft-extension drills for drilling hard alloys in restricted engine bay spaces.
Job shop production — Cleveland carbide single-flute countersinks for high-speed countersinking in aluminum and non-ferrous parts.
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CLEVELAND Products

3G Electric supplies CLEVELAND spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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