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CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H1 / 2B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
CLEVELANDGeneral Purpose Spiral-Point Taps

CLEVELAND Spiral Point Tap: 5/16"-24 UNF, H1 / 2B, 2 Flute, Plug Chamfer

The CLEVELAND Spiral Point Tap (5/16"-24 UNF) is a general purpose spiral-point tap, type H1 / 2B with a plug chamfer, made from high-speed steel and featuring 2 flutes (MPN C57157). 3G Electric sources this genuine…

SKU 3G-OTH-215132

Also listed as: C 57157 · C-57157

Brand
CLEVELAND
Item
Spiral Point Tap: 5/16"-24 UNF, H1 / 2B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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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
C57157
Type
H1 / 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 (5/16"-24 UNF) is a general purpose spiral-point tap, type H1 / 2B with a plug chamfer, made from high-speed steel and featuring 2 flutes (MPN C57157). 3G Electric sources this genuine OEM tool across 14 industrial departments, with specialist expertise in combustion, pumps and controls ensuring accurate fulfillment.

Frequently Asked Questions

What is the CLEVELAND Spiral Point Tap used for?

The CLEVELAND Spiral Point Tap is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where precise 5/16"-24 UNF threads are required.

What are the specifications of the CLEVELAND Spiral Point Tap?

This tap has a 5/16"-24 UNF thread size, H1 / 2B class of fit, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is designed for general-purpose threading. The manufacturer part number is C57157.

Where to buy the CLEVELAND Spiral Point Tap worldwide?

You can source the CLEVELAND Spiral Point Tap 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 item.

How to select the correct CLEVELAND Spiral Point Tap?

Select based on thread size (5/16"-24 UNF), material (high-speed steel for general use), and chamfer type (plug for most blind holes). Ensure the class of fit (H1 / 2B) matches your tolerance requirements. For best results, match the tap to your workpiece material and machine type.

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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This spiral-point tap is designed for threading blind or through holes in metal, with a chip-pushing geometry that reduces clogging in production environments. Made from high-speed steel, it features a plug chamfer and H3 / 2B tolerance for consistent thread depth. The 2-flute design and UNF thread specification suit general-purpose threading applications
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This spiral-point tap is designed for threading blind or through holes in metal, with a chip-pushing geometry that reduces clogging in production environments. Made from high-speed steel, it features a plug chamfer and H3 / 2B tolerance for consistent thread depth. The 2-flute design and UNF thread specification suit general-purpose threading applications
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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
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