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

CLEVELAND Spiral-Point Extension Tap - Spiral-Point Extension Taps
CLEVELANDSpiral-Point Extension Taps

CLEVELAND Spiral-Point Extension Tap

The CLEVELAND Spiral Point Tap (5/16"-18 UNC) is a high-speed steel, plug-chamfer tap with H3 / 2B tolerance and 2 flutes (MPN C59121). 3G Electric sources this and thousands of other industrial cutting tools across…

SKU 3G-OTH-313538

Also listed as: C 59121 · C-59121

Brand
CLEVELAND
Item
Spiral-Point Extension Tap
Category
Spiral-Point Extension 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
C59121
Type
H3 / 2B, Plug Chamfer, High Speed Steel
Flute
2

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

The CLEVELAND Spiral Point Tap (5/16"-18 UNC) is a high-speed steel, plug-chamfer tap with H3 / 2B tolerance and 2 flutes (MPN C59121). 3G Electric sources this and thousands of other industrial cutting tools across 14 departments, backed by specialist expertise in combustion, pumps and controls to ensure you get the right solution.

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 metal, particularly in production environments. Its spiral-point design pushes chips ahead, reducing clogging. Common applications include automotive, aerospace, and general machining where clean, accurate threads are required.

What are the specifications of the CLEVELAND Spiral Point Tap C59121?

The CLEVELAND Spiral Point Tap C59121 has a 5/16"-18 UNC thread size, H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel (HSS) for durability. This spiral-point extension tap is designed for efficient chip evacuation in through-hole threading operations.

Where to buy CLEVELAND Spiral Point Tap C59121 worldwide?

You can source the CLEVELAND Spiral Point Tap C59121 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 on this and other CLEVELAND taps.

How to select the right CLEVELAND Spiral Point Tap for my application?

Select a CLEVELAND Spiral Point Tap based on thread size (e.g., 5/16"-18 UNC), material (HSS for general steel), and chamfer type (plug for blind holes). Ensure the tap matches your hole depth and machine capability. For extension taps, verify reach length. Consult a technical datasheet for torque and speed recommendations.

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-point extension 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
General purpose spiral-point tap for threading blind or through holes. The spiral-point design pushes chips ahead, reducing clogging in ferrous and non-ferrous materials. Made from high-speed steel with H3 / 2B tolerance, 2 flutes, and plug chamfer. Suitable for production machining applications
CLEVELAND
General purpose spiral-point tap for threading blind or through holes. The spiral-point design pushes chips ahead, reducing clogging in ferrous and non-ferrous materials. Made from high-speed steel with H3 / 2B tolerance, 2 flutes, and plug chamfer. Suitable for production machining applications
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features H3 / 2B tolerance, 3 flutes, plug chamfer, and high-speed steel construction. The spiral-point design pushes chips ahead to reduce clogging and breakage
CLEVELAND
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features H3 / 2B tolerance, 3 flutes, plug chamfer, and high-speed steel construction. The spiral-point design pushes chips ahead to reduce clogging and breakage
CLEVELAND spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features H5 tolerance for 2B-3B class fit, 2-flute design, plug chamfer, and high-speed steel construction. Suitable for general manufacturing applications requiring precise internal threads
CLEVELAND
CLEVELAND spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features H5 tolerance for 2B-3B class fit, 2-flute design, plug chamfer, and high-speed steel construction. Suitable for general manufacturing applications requiring precise internal threads
CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57149)
CLEVELAND
CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57149)

More from CLEVELAND

View all CLEVELAND parts
This spiral-point extension tap is made of high-speed steel with a plug chamfer and H3 / 2B tolerance. It has 3 flutes and is designed for threading through-holes in metal, directing chips forward to prevent clogging. Commonly used in production tapping of steel, aluminum, and alloys
CLEVELAND
This spiral-point extension tap is made of high-speed steel with a plug chamfer and H3 / 2B tolerance. It has 3 flutes and is designed for threading through-holes in metal, directing chips forward to prevent clogging. Commonly used in production tapping of steel, aluminum, and alloys
High-speed steel spiral-point extension tap for threading blind or through holes. Features a plug chamfer and 2-flute design with H3 / 2B tolerance. Pushes chips forward to reduce clogging in production environments
CLEVELAND
High-speed steel spiral-point extension tap for threading blind or through holes. Features a plug chamfer and 2-flute design with H3 / 2B tolerance. Pushes chips forward to reduce clogging in production environments
Spiral-point extension tap for through-hole threading, pushing chips ahead to reduce clogging. Made of high-speed steel with a plug chamfer and H3 / 2B tolerance. Suitable for general-purpose tapping in ferrous and non-ferrous materials
CLEVELAND
Spiral-point extension tap for through-hole threading, pushing chips ahead to reduce clogging. Made of high-speed steel with a plug chamfer and H3 / 2B tolerance. Suitable for general-purpose tapping in ferrous and non-ferrous materials
Spiral-point extension tap for threading blind holes in ferrous and non-ferrous materials. Features H3 / 2B class of fit, 2 flutes, plug chamfer, and high-speed steel construction. The spiral-point design pushes chips forward, reducing clogging in through-hole and deep-hole tapping operations
CLEVELAND
Spiral-point extension tap for threading blind holes in ferrous and non-ferrous materials. Features H3 / 2B class of fit, 2 flutes, plug chamfer, and high-speed steel construction. The spiral-point design pushes chips forward, reducing clogging in through-hole and deep-hole tapping operations
CLEVELAND Spiral Point Tap: #10-32 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C59110)
CLEVELAND
CLEVELAND Spiral Point Tap: #10-32 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C59110)
CLEVELAND Spiral Point Tap: #10-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C59109)
CLEVELAND
CLEVELAND Spiral Point Tap: #10-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C59109)
CLEVELAND Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN C59126)
CLEVELAND
CLEVELAND Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN C59126)
CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C59122)
CLEVELAND
CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C59122)