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CLEVELAND Straight Flute Tap: #4-40 UNC, H1 / 2B, 2 Flute, Plug Chamfer - General Purpose Hand Taps
CLEVELANDGeneral Purpose Hand Taps

CLEVELAND Straight Flute Tap: #4-40 UNC, H1 / 2B, 2 Flute, Plug Chamfer

The CLEVELAND Straight Flute Tap (#4-40 UNC) is a General Purpose Hand Tap with an H1 / 2B tolerance, 2-flute design, plug chamfer, and high-speed steel construction (MPN C54142). 3G Electric interprets this demand…

SKU 3G-OTH-221855

Also listed as: C 54142 · C-54142

Brand
CLEVELAND
Item
Straight Flute Tap: #4-40 UNC, H1 / 2B, 2 Flute, Plug Chamfer
Category
General Purpose Hand Taps
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C54142
Type
H1 / 2B, Plug Chamfer, High Speed Steel
Flute
2

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

Product Description

The CLEVELAND Straight Flute Tap (#4-40 UNC) is a General Purpose Hand Tap with an H1 / 2B tolerance, 2-flute design, plug chamfer, and high-speed steel construction (MPN C54142). 3G Electric interprets this demand and sources the genuine OEM part across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is a CLEVELAND Straight Flute Tap used for?

A CLEVELAND Straight Flute Tap is used for cutting internal threads in pre-drilled holes. It is ideal for general-purpose hand tapping in ferrous and non-ferrous materials, commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the CLEVELAND Straight Flute Tap #4-40 UNC?

The CLEVELAND Straight Flute Tap has a #4-40 UNC thread size, H1/2B tolerance, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is designed for general-purpose hand tapping. The manufacturer part number is C54142.

Where to buy CLEVELAND Straight Flute Tap #4-40 UNC worldwide?

You can source the CLEVELAND Straight Flute Tap #4-40 UNC from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to select the right tap for #4-40 UNC threads?

To select the right tap for #4-40 UNC threads, ensure the tap matches the thread size and pitch. Use a plug chamfer for through holes or a bottoming chamfer for blind holes. The CLEVELAND brand offers high-speed steel taps for durability in general-purpose applications.

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 hand 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 Straight Flute Hand Tap: #4-36 UNC, H2 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN C54140)
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CLEVELAND Straight Flute Hand Tap: 1/4"-20 UNC, H1 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN C54446)
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CLEVELAND Straight Flute Tap: 1/2"-20 UNF, H5 / 2B, 4 Flute, Plug Chamfer, High Speed Steel (MPN C54742)
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CLEVELAND Straight Flute Tap: 1/2"-20 UNF, H5 / 2B, 4 Flute, Plug Chamfer, High Speed Steel (MPN C54742)
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CLEVELAND Straight Flute Tap: #10-24 UNC, H3 / 2B, 4 Flute, Plug Chamfer (MPN C56058)

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