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CLEVELAND Spiral Point Tap: #4-48 UNF, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57051) - General Purpose Spiral-Point Taps
CLEVELANDGeneral Purpose Spiral-Point Taps

CLEVELAND Spiral Point Tap: #4-48 UNF, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57051)

The CLEVELAND Spiral Point Tap (#4-48 UNF) is a general-purpose spiral-point tap with H2 / 2B tolerance, 2 flutes, plug chamfer, and high-speed steel construction (MPN C57051). 3G Electric sources this and thousands…

SKU 3G-OTH-216084

Also listed as: C 57051 · C-57051

Brand
CLEVELAND
Item
Spiral Point Tap: #4-48 UNF, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel
Category
General Purpose Spiral-Point Taps
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C57051
Type
H2 / 2B, Plug Chamfer, High Speed Steel
Flute
2

Technical Documents

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

Product Description

The CLEVELAND Spiral Point Tap (#4-48 UNF) is a general-purpose spiral-point tap with H2 / 2B tolerance, 2 flutes, plug chamfer, and high-speed steel construction (MPN C57051). 3G Electric sources this and thousands of other industrial cutting tools across 14 departments — and far more — backed by specialist expertise in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the CLEVELAND Spiral Point Tap #4-48 UNF used for?

The CLEVELAND Spiral Point Tap #4-48 UNF is used for threading #4-48 UNF holes in production and maintenance applications. Its spiral-point design pushes chips forward, making it ideal for through-hole threading in metals and plastics. Commonly used in automotive, aerospace, and general manufacturing where precise internal threads are required.

What are the specifications of the CLEVELAND Spiral Point Tap #4-48 UNF?

The CLEVELAND Spiral Point Tap #4-48 UNF has a #4-48 UNF thread size, H2 / 2B class of fit, 2 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is C57051. It is designed for general-purpose through-hole threading in materials such as steel, aluminum, and plastics.

Where to buy CLEVELAND Spiral Point Tap #4-48 UNF worldwide?

You can source the CLEVELAND Spiral Point Tap #4-48 UNF worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine CLEVELAND taps to customers in over 50 countries.

How to select the right CLEVELAND Spiral Point Tap for through-hole threading?

To select the right CLEVELAND Spiral Point Tap, match the thread size (e.g., #4-48 UNF), class of fit (H2 / 2B), and chamfer type (plug) to your application. Spiral-point taps are best for through holes as they push chips ahead. Ensure the tap material (high-speed steel) suits your workpiece. Consult 3G Electric for guidance.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
CLEVELAND Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57048)
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CLEVELAND Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57048)
CLEVELAND Spiral Point Tap: #4-40 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57047)
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CLEVELAND Spiral Point Tap: #4-40 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57047)
CLEVELAND Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN C57049)
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CLEVELAND Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN C57049)
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CLEVELAND Spiral Point Tap: 3/8"-24 UNF, H4 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN C57182)
CLEVELAND Spiral Point Tap: #3-48 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57038)
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CLEVELAND Spiral Point Tap: #3-48 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57038)
CLEVELAND Spiral Point Tap: #5-40 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57062)
CLEVELAND
CLEVELAND Spiral Point Tap: #5-40 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN C57062)

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