• 1.1/4″ x 12 UNF Intermediate HSS Tap – Sutton
  • HSS Bright Finish Straight Flute UNF Hand and Machine Intermediate Tap.
  • These general purpose taps are ideal for creating new threads in a wide variety of materials.
  • Sutton HSS taps provide a high hardness to toughness ratio, compressive and tensile strength, good abrasion resistance and resistance to micro-chipping, ensuring a long tool life.
  • Unified National Fine (UNF) thread form was introduced in 1948 as an attempt to standardise thread forms in the USA, Canada and the UK.
  • Intermediate Taps have a lead of four threads and are used in most general purpose applications to cut a thread true to a pre-drilled pilot hole.
  • Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.
  • Recommended tapping drill: 29.5mm