ALPHA UNCCB14 CARBON TAP UNC BOTTOMING-1/4X20

BOTTOMING taps have a lead of two threads and are used when tapping blind holes. Usually preceded by a taper or intermediate tap. Alpha bottoming taps can beidentified by their plain shaft, they have no rings on the shaft near the driving square.

• Alpha Carbon Hand Taps are precision manufactured in Europe to ISO529 standards.

• Carbon Hand Taps are general purpose taps suitable for hand and machine operation, and are suitable for production use.

• 2N Tolerance for optimum thread fit that balances fastener performance, manufacturing, economy and convenience.

• Suitable for use in Steel, Aluminium, Copper, Brass etc.

• Type of Measure: UNC

• Diameter (in): 1/4

• Drill Size (mm): 5.1

• Head Type: Bottoming

• Material: Carbon

• OAL (mm): 66

• TPI: 20

• Longest side (mm): 80.00

• Median side (mm): 10.00

• Shortest side (mm): 10.00

• Weight (gr): 15.00

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