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CLEVELAND Spiral Flute Tap: #4-40 UNC, 2B, 3 Flute, Semi-Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
CLEVELANDSpiral-Flute Taps for Steel & Stainless Steel

CLEVELAND Spiral Flute Tap: #4-40 UNC, 2B, 3 Flute, Semi-Bottoming Chamfer

3G Electric supplies the CLEVELAND Spiral Flute Tap, a #4-40 UNC spiral-flute tap for steel and stainless steel. This 2B, semi-bottoming chamfer tap features 3 flutes and a black oxide cobalt finish (MPN C89303). We…

SKU 3G-OTH-218724

Brand
CLEVELAND
Item
Spiral Flute Tap: #4-40 UNC, 2B, 3 Flute, Semi-Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C89303
Type
2B, Semi-Bottoming Chamfer, Black Oxide Cobalt
Flute
3
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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

3G Electric supplies the CLEVELAND Spiral Flute Tap, a #4-40 UNC spiral-flute tap for steel and stainless steel. This 2B, semi-bottoming chamfer tap features 3 flutes and a black oxide cobalt finish (MPN C89303). We interpret your demand, source the right tool, and support your operation across 14 industrial departments — with specialist depth in cutting tools as part of our broader industrial solutions.

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 CLEVELAND spiral flute tap used for?

A CLEVELAND spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This #4-40 UNC, 2B tap with a semi-bottoming chamfer is ideal for production machining and maintenance applications.

What are the specifications of the CLEVELAND C89303 tap?

The CLEVELAND C89303 is a #4-40 UNC spiral flute tap with a 2B thread class, 3 flutes, and a semi-bottoming chamfer. It features black oxide cobalt construction for heat resistance and durability. This tap is designed specifically for threading steel and stainless steel in blind holes.

Where to buy CLEVELAND spiral flute taps worldwide?

3G Electric supplies CLEVELAND spiral flute taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine parts like the C89303 to your facility. Contact us for pricing and lead time on this and other threading tools.

How to select the right spiral flute tap for steel?

Select a spiral flute tap like the CLEVELAND C89303 for blind holes in steel. Match the thread size (#4-40 UNC), class (2B), and chamfer type (semi-bottoming) to your application. Black oxide cobalt coating improves wear resistance. Always verify material compatibility and use proper 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 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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