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UNC HSS

HSS Tap UNC Intermediate-1/4x20

Product Code: UNCHI14

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Key Features
Precision manufactured in Europe to ISO529 standards
Suitable for hand and machine operation, and are suitable for production
2N Tolerance for optimum thread fit
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Technical Specifications
Brand ALPHA
Subcategory UNC HSS
Type of Measure UNC
Diameter (in) 1/4
Drill Size (mm) 5.1
Head Type Intermediate
Material HSS
OAL (mm) 66
TPI 20
Barcode 9342386038781
Category UNC HSS
Longest side (mm) 80.00
Median side (mm) 10.00
Shortest side (mm) 10.00
Weight (gr) 15.00
Box Quantity 10.00
Carton Quantity 10.00
Order Quantity 1
Unit Of Measure
Box: 10
Carton: 10
  • Alpha HSS Hand Taps are precision manufactured in Europe to ISO529 standards.
  • HSS 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.
  • Always use lubricant. Click here for our range.

INTERMEDIATE taps have a lead of four threads and are used in most general purpose applications. Alpha Intermediate taps can be identified by the two rings on the shaft near the driving square.

  • Diameter: 1/4mm
  • Pitch: 20mm
  • Overall length: 50mm
  • Shaft Diameter: 6mm
  • Drive Square: 4.9mm
  • Tapping Drill Size: 5.20mm
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