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CLEVELAND #6-40 UNF Spiral-Flute Tap - Spiral-Flute Taps for Steel & Stainless Steel
CLEVELANDSpiral-Flute Taps for Steel & Stainless Steel

CLEVELAND #6-40 UNF Spiral-Flute Tap

The CLEVELAND Spiral Flute Tap (#6-40 UNF) is a 2B, semi-bottoming chamfer, black oxide cobalt tap with 3 flutes (MPN C89307). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14…

SKU 3G-OTH-218720

Also listed as: C 89307 · C-89307

Brand
CLEVELAND
Item
#6-40 UNF Spiral-Flute Tap
Category
Spiral-Flute Taps for Steel & Stainless Steel
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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

CLEVELAND
Manufacturer Part Number
C89307
Type
2B, Semi-Bottoming Chamfer, Black Oxide Cobalt
Flute
3

Technical Documents

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

Product Description

The CLEVELAND Spiral Flute Tap (#6-40 UNF) is a 2B, semi-bottoming chamfer, black oxide cobalt tap with 3 flutes (MPN C89307). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is a CLEVELAND #6-40 UNF spiral flute tap used for?

This CLEVELAND spiral flute tap is designed for threading blind holes in steel and stainless steel. Its semi-bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the CLEVELAND C89307 tap?

The CLEVELAND C89307 is a #6-40 UNF spiral flute tap with a 2B thread class, 3 flutes, and a semi-bottoming chamfer. It features a black oxide cobalt finish for heat resistance and extended tool life in steel and stainless steel. The manufacturer part number is C89307.

Where to buy CLEVELAND spiral flute taps worldwide?

3G Electric supplies CLEVELAND spiral flute taps like the C89307 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery 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?

For steel, choose a spiral flute tap with a semi-bottoming chamfer like this CLEVELAND #6-40 UNF tap. The black oxide cobalt finish reduces friction and heat. Ensure the tap matches your thread size (UNF), class (2B), and material hardness. Always 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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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a semi-bottoming chamfer for threading close to hole bottoms and a black oxide cobalt finish. 7/16"-20 UNF thread size, 2B class, 3 flutes. Manufacturer part number C89321

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