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CLEVELAND Spiral Flute Tap: 7/16"-20 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer - General Purpose Spiral-Flute Taps
CLEVELANDGeneral Purpose Spiral-Flute Taps

CLEVELAND Spiral Flute Tap: 7/16"-20 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer

The CLEVELAND Spiral Flute Tap (7/16"-20 UNF) is a general-purpose spiral-flute tap with a 2B thread class, semi-bottoming chamfer, and TiAlN-coated cobalt construction. It features 3 flutes and is identified by…

SKU 3G-OTH-230542

Also listed as: C 89221 · C-89221

Brand
CLEVELAND
Item
Spiral Flute Tap: 7/16"-20 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C89221
Type
2B, Semi-Bottoming Chamfer, TiAlN Coated Cobalt
Flute
3

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

Product Description

The CLEVELAND Spiral Flute Tap (7/16"-20 UNF) is a general-purpose spiral-flute tap with a 2B thread class, semi-bottoming chamfer, and TiAlN-coated cobalt construction. It features 3 flutes and is identified by manufacturer part number C89221.

Frequently Asked Questions

What is a CLEVELAND spiral flute tap used for?

A CLEVELAND spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. The TiAlN coating enhances wear resistance for longer tool life in production environments.

What are the specifications of the CLEVELAND C89221 tap?

The CLEVELAND C89221 is a 7/16"-20 UNF spiral flute tap with a 2B thread class, 3 flutes, and a semi-bottoming chamfer. It is made from TiAlN coated cobalt, designed for general purpose threading in blind holes. The manufacturer part number is C89221.

Where to buy CLEVELAND taps in worldwide?

3G Electric supplies CLEVELAND taps worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine CLEVELAND C89221 spiral flute taps and other cutting tools. Contact us for pricing and delivery to your location.

How to select the right spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a semi-bottoming chamfer like the CLEVELAND C89221. The spiral flutes evacuate chips upward, preventing packing. Match the tap size and thread class (e.g., 7/16"-20 UNF 2B) to your hole specifications. Use cutting fluid for best results.

Used in

Common applications for CLEVELAND
Aerospace manufacturing — CLEVELAND NAS-spec aircraft extension drills for drilling fastener holes in aluminum airframe panels.
Bridge construction — CLEVELAND Morse-taper shank bridge reamers for enlarging bolt holes in structural steel.
Automotive production — CLEVELAND chucking reamers for precision finishing of engine component bores.
General metalworking — CLEVELAND single-flute countersinks for deburring holes in mild steel parts.
Tool and die making — CLEVELAND interchangeable-pilot counterbores for creating recesses for socket head cap screws.
Maintenance repair — CLEVELAND cobalt aircraft extension drills for drilling hardened steel in equipment repairs.

CLEVELAND Products

3G Electric supplies CLEVELAND general purpose spiral-flute 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
CLEVELAND Spiral Flute Tap: 5/16"-24 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89217)
CLEVELAND
CLEVELAND Spiral Flute Tap: 5/16"-24 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89217)
CLEVELAND Spiral Flute Tap: 1/2"-20 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89223)
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CLEVELAND Spiral Flute Tap: 1/2"-20 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89223)
CLEVELAND Spiral Flute Tap: 7/16"-14 UNC, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89220)
CLEVELAND
CLEVELAND Spiral Flute Tap: 7/16"-14 UNC, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89220)
CLEVELAND Spiral Flute Tap: 5/16"-18 UNC, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89216)
CLEVELAND
CLEVELAND Spiral Flute Tap: 5/16"-18 UNC, 2B, 3 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89216)
CLEVELAND Spiral Flute Tap: 9/16"-18 UNF, 2B, 4 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89225)
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CLEVELAND Spiral Flute Tap: 9/16"-18 UNF, 2B, 4 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89225)
CLEVELAND Spiral Flute Tap: 7/8"-14 UNF, 2B, 4 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89231)
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CLEVELAND Spiral Flute Tap: 7/8"-14 UNF, 2B, 4 Flute, Semi-Bottoming Chamfer, TiAlN Coated Cobalt (MPN C89231)

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