JIS FC-HT

Hand Taps for Cast Irons

Specification

<2D

Nitride

Recommended Tapping Speeds depending on Materials

Cast irons Ductile cast irons

5 鋳鉄10 5強靱鋳鉄10

(m/min) ( m/ min)

Product Features

  • The FC-HT is suitable for thread processing of hard and brittle materials such as cast iron. It is produced slightly oversized because wear is relatively fast in these materials.

Tapping Data Comparison of number of holes tapped.

Tapping Conditions [M8×1.25]

Workpiece MaterialFC25FC-HT
Bored Hole Size Tapping Length Tapping Speedφ6.8 12mm 6.5m/minCompetitors HTCan Continue
Machinery Type Tapping FluidSpecial machine Water soluble cutting fluid05001,000 (Number1,500 of holes p2,000 rocessed.)2,5003,000

Comparison of accuracy between HT and FC-HT

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