
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 Material | FC25 | FC-HT | | | | | | |
| Bored Hole Size Tapping Length Tapping Speed | φ6.8 12mm 6.5m/min | Competitors HT | | | | | | Can Continue |
| Machinery Type Tapping Fluid | Special machine Water soluble cutting fluid | 0 | 500 | 1,000 (Number | 1,500 of holes p | 2,000 rocessed.) | 2,500 | 3,000 |
Comparison of accuracy between HT and FC-HT
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