We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

CLEVELAND Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55391) - General Purpose Spiral-Point Taps
CLEVELANDGeneral Purpose Spiral-Point Taps

CLEVELAND Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55391)

CLEVELAND General Purpose Spiral-Point Taps.

SKU 3G-OTH-215681

Also listed as: C 55391 · C-55391

Brand
CLEVELAND
Item
Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CLEVELAND
Manufacturer Part Number
C55391

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

CLEVELAND General Purpose Spiral-Point Taps.

Frequently Asked Questions

What is a CLEVELAND Spiral Point Tap used for?

A CLEVELAND Spiral Point Tap is used for threading blind or through holes in production machining. Its spiral-point design pushes chips ahead, preventing clogging. Common applications include automotive, aerospace, and general manufacturing where clean, accurate threads are required.

What are the specifications of the CLEVELAND C55391 tap?

The CLEVELAND C55391 is a 3/8"-24 UNF spiral point tap with H3 / 2B tolerance, 3 flutes, and a plug chamfer. It is designed for general-purpose threading in steel, aluminum, and cast iron. The MPN is C55391, and it is available through 3G Electric.

Where to buy CLEVELAND C55391 taps worldwide?

You can source the CLEVELAND C55391 spiral point tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the right CLEVELAND spiral point tap?

Select a CLEVELAND spiral point tap based on thread size, pitch, and material. For 3/8"-24 UNF threads in steel or aluminum, the C55391 with H3 tolerance and plug chamfer is suitable. Ensure the tap matches your hole type (blind or through) and machine capability.

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-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H4 / 2B, 3 Flute, Plug Chamfer (MPN C55389)
CLEVELAND
CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H4 / 2B, 3 Flute, Plug Chamfer (MPN C55389)
CLEVELAND Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55390)
CLEVELAND
CLEVELAND Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55390)
CLEVELAND Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55386)
CLEVELAND
CLEVELAND Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55386)
CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55388)
CLEVELAND
CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55388)
CLEVELAND Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55395)
CLEVELAND
CLEVELAND Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55395)
CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN C55322)
CLEVELAND
CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN C55322)

More from CLEVELAND

View all CLEVELAND parts
General purpose spiral-point tap for threading through-holes in ferrous materials. Features a #8-36 UNF thread size, 2B class fit, plug chamfer, black oxide cobalt finish, and 3 flutes. The spiral-point design pushes chips forward, reducing clogging in production tapping applications
CLEVELAND
General purpose spiral-point tap for threading through-holes in ferrous materials. Features a #8-36 UNF thread size, 2B class fit, plug chamfer, black oxide cobalt finish, and 3 flutes. The spiral-point design pushes chips forward, reducing clogging in production tapping applications
General purpose spiral-point tap for threading blind or through holes. Features H3 / 2B tolerance, plug chamfer, and 3-flute high-speed steel construction. Pushes chips forward to prevent clogging, enabling faster tapping in materials such as steel, aluminum, and cast iron
CLEVELAND
General purpose spiral-point tap for threading blind or through holes. Features H3 / 2B tolerance, plug chamfer, and 3-flute high-speed steel construction. Pushes chips forward to prevent clogging, enabling faster tapping in materials such as steel, aluminum, and cast iron
Spiral-point tap designed for threading blind or through holes in production machining. The spiral-point geometry pushes chips ahead, reducing clogging in materials such as steel, aluminum, and cast iron. Suitable for high-speed tapping operations in general manufacturing
CLEVELAND
Spiral-point tap designed for threading blind or through holes in production machining. The spiral-point geometry pushes chips ahead, reducing clogging in materials such as steel, aluminum, and cast iron. Suitable for high-speed tapping operations in general manufacturing
Spiral-point tap for threading blind or through holes in metal. M10x1.5 metric thread, 6H tolerance, plug chamfer, black oxide cobalt finish, 3 flutes. Suitable for general purpose threading applications in materials such as steel and stainless steel
CLEVELAND
Spiral-point tap for threading blind or through holes in metal. M10x1.5 metric thread, 6H tolerance, plug chamfer, black oxide cobalt finish, 3 flutes. Suitable for general purpose threading applications in materials such as steel and stainless steel
Spiral-point tap designed for through-hole threading in production machining. The spiral-point geometry pushes chips forward, reducing clogging in ferrous and non-ferrous materials. Suitable for applications requiring clean, accurate threads in blind or through holes
CLEVELAND
Spiral-point tap designed for through-hole threading in production machining. The spiral-point geometry pushes chips forward, reducing clogging in ferrous and non-ferrous materials. Suitable for applications requiring clean, accurate threads in blind or through holes
High-speed steel spiral-point tap with M16x2 metric thread, D7 / 6H tolerance, 3 flutes, and plug chamfer. Designed for threading blind or through holes in metal, pushing chips ahead to reduce clogging. Suitable for general manufacturing applications requiring precise internal threads
CLEVELAND
High-speed steel spiral-point tap with M16x2 metric thread, D7 / 6H tolerance, 3 flutes, and plug chamfer. Designed for threading blind or through holes in metal, pushing chips ahead to reduce clogging. Suitable for general manufacturing applications requiring precise internal threads
General purpose spiral-point tap for threading blind or through holes. Features a plug chamfer, 3 flutes, and TiAlN coated cobalt construction for wear resistance. Thread size 3/8"-24 UNF, class 2B fit. Suitable for production tapping in steel and stainless steel
CLEVELAND
General purpose spiral-point tap for threading blind or through holes. Features a plug chamfer, 3 flutes, and TiAlN coated cobalt construction for wear resistance. Thread size 3/8"-24 UNF, class 2B fit. Suitable for production tapping in steel and stainless steel
CLEVELAND spiral-point tap for general purpose threading. Features a 3/8"-16 UNC thread, H3 / 2B tolerance, bottoming chamfer, and 3-flute design. Made from high-speed steel. Suitable for through-hole or blind-hole threading in production machining
CLEVELAND
CLEVELAND spiral-point tap for general purpose threading. Features a 3/8"-16 UNC thread, H3 / 2B tolerance, bottoming chamfer, and 3-flute design. Made from high-speed steel. Suitable for through-hole or blind-hole threading in production machining