Tap Spiral Flute 1/4" x 20TPI HSS UNC

Sutton Tools T4250635 Tap Spiral Flute 1/4" x 20TPI HSS UNC

Features:

• General purpose use
• Suitable for materials up to 1000N/mm2
• Blind holes
• Depths up to approx. 2.5 x d1

Specifications:

• Size -
  • d1 - 1/4"
  • TPI - 20
  • Limit - 2B
  • l1 - 66mm
  • l2 - 10mm
  • d2 - 6.3mm
  • sq - 5mm
  • l4 - 8mm
  • z - 3mm
  • Drill Ø - 5.1mm
• Designation - N
• Material - HSSE V3
• Finish - Brt
• Max Cut Depth - 2.5xD
• Shank Form - A
• Helix Angle - R40
• x - als
• Type - Spiral Flute
• Standard - ISO529
• Thread Form - UNC
• Nut Tolerance - 2B
• Lead - Form C / 3 x P