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CLEVELAND Spiral Flute Tap: 7/8"-14 UNF, 2B, 4 Flute, Semi-Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
CLEVELANDSpiral-Flute Taps for Steel & Stainless Steel

CLEVELAND Spiral Flute Tap: 7/8"-14 UNF, 2B, 4 Flute, Semi-Bottoming Chamfer

The CLEVELAND Spiral Flute Tap (7/8"-14 UNF, MPN C89331) is a 2B, semi-bottoming chamfer, black oxide cobalt tap with 4 flutes, designed for threading steel and stainless steel. 3G Electric interprets this demand and…

SKU 3G-OTH-219080

Also listed as: C 89331 · C-89331

Brand
CLEVELAND
Item
Spiral Flute Tap: 7/8"-14 UNF, 2B, 4 Flute, Semi-Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C89331
Type
2B, Semi-Bottoming Chamfer, Black Oxide Cobalt
Flute
4

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

Product Description

The CLEVELAND Spiral Flute Tap (7/8"-14 UNF, MPN C89331) is a 2B, semi-bottoming chamfer, black oxide cobalt tap with 4 flutes, designed for threading steel and stainless steel. 3G Electric interprets this demand and sources the genuine OEM part, backed by specialist expertise across 14 industrial departments.

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 and out of the hole, preventing clogging and ensuring clean threads. This makes it ideal for production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the CLEVELAND C89331 tap?

The CLEVELAND C89331 is a spiral flute tap with a 7/8"-14 UNF thread, 2B class fit, 4 flutes, and a semi-bottoming chamfer. It is made from black oxide cobalt for heat resistance and durability. This tap is designed for threading blind holes in steel and stainless steel.

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, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the C89331 or other CLEVELAND taps. We source genuine parts across 14 industrial departments.

How to select the right spiral flute tap for steel?

Select a spiral flute tap like the CLEVELAND C89331 for blind holes in steel. Match the thread size (7/8"-14 UNF), class fit (2B), and chamfer type (semi-bottoming) to your application. Use black oxide cobalt for heat resistance. Ensure the tap is designed for the material hardness to avoid breakage.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30204708)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30204708)
OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30205508)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30205508)
OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30204701)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30204701)
OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30205501)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 30205501)
OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 0148308)
OSG
OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 0148308)
OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 0148301)
OSG
OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 0148301)

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