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CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55388) - General Purpose Spiral-Point Taps
CLEVELANDGeneral Purpose Spiral-Point Taps

CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55388)

CLEVELAND General Purpose Spiral-Point Taps.

SKU 3G-OTH-216144

Also listed as: C 55388 · C-55388

Brand
CLEVELAND
Item
Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C55388

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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, reducing clogging in materials like steel, aluminum, and cast iron. It is ideal for high-speed tapping operations in automotive, aerospace, and general manufacturing.

What are the specifications of the CLEVELAND Spiral Point Tap C55388?

The CLEVELAND Spiral Point Tap C55388 has a thread size of 5/16"-18 UNC, with H3 / 2B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose spiral-point tap designed for through-hole threading. The manufacturer part number is C55388.

Where to buy CLEVELAND Spiral Point Tap C55388 worldwide?

You can source the CLEVELAND Spiral Point Tap C55388 worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply this tap to industrial buyers globally.

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

To select the correct CLEVELAND Spiral Point Tap, match the thread size (e.g., 5/16"-18 UNC), tolerance class (H3 / 2B), and chamfer type (plug) to your hole requirements. Spiral-point taps suit through holes; for blind holes, consider spiral-flute taps. Consult a tap selection guide for material-specific 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 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: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55390)
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CLEVELAND Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55390)
CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55321)
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CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55321)
CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer (MPN C55354)
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CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer (MPN C55354)
CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN C55355)
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CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN C55355)
CLEVELAND Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55391)
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CLEVELAND Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55386)
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