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CLEVELAND Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN C57638) - General Purpose Spiral-Point Taps
CLEVELANDGeneral Purpose Spiral-Point Taps

CLEVELAND Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN C57638)

CLEVELAND General Purpose Spiral-Point Taps.

SKU 3G-OTH-215279

Also listed as: C 57638 · C-57638

Brand
CLEVELAND
Item
Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CLEVELAND
Manufacturer Part Number
C57638

Technical Documents

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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 and enabling faster tapping in steel, aluminum, and cast iron across automotive, aerospace, and general manufacturing.

What are the specifications of the CLEVELAND C57638 tap?

The CLEVELAND C57638 is a 1/2"-20 UNF spiral point tap with H3 / 2B tolerance, 3 flutes, and a plug chamfer. It is designed for general-purpose threading in ferrous and non-ferrous materials. 3G Electric supplies this genuine CLEVELAND part worldwide.

Where to buy CLEVELAND C57638 taps worldwide?

3G Electric supplies the CLEVELAND C57638 spiral point tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this genuine CLEVELAND part.

How to select the correct spiral point tap for a job?

Select a spiral point tap like the CLEVELAND C57638 based on thread size (1/2"-20 UNF), material, and hole type. For through holes, spiral point taps push chips forward. Match the chamfer (plug) to hole depth. 3G Electric can help you source the right tap for your application.

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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Spiral-point tap designed for threading blind or through holes. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in steel, aluminum, and cast iron. Suitable for production environments requiring consistent thread quality
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