JIS F-SP

SpiralFlutedTapsforHighSpeedTapping

Specification

Coating

Recommended Tapping Speeds depending on Materials

Low carbon steels Medium carbon steels

15低炭素鋼25 15中炭素鋼25

(m/min) (m/min)

Product Features

●Highspeedmachiningispossiblewithamachineequippedwithafullysynchronousfeedmechanism. ●TheF-SPexhibitsexcellentchipejectionpropertiesfromitsuniquefluteshapeandshortthreadlength. ●Atlowspeed,theshapeandejectionofthechipscandeteriorate,causingproblems.

Tapping Data

Tapping Conditions [M6×1]

Work Piece MaterialS50C
Bored Hole ShapeBlind hole
Tapping Length1.5D〜
Machinery TypeM/C
Tapping DirectionVerticalF-SP
FeedSynchronousCan Continue
Tapping Speed20m/mim lGl PSP
Cutting FluidWater soluble cutting fluidenera urpose
Pilot hole Processing MethodDrill0 5001,000 f1,5002,000 2,500
Number of Holes Processed2,000Number o hles Processed

Speed chart

Slow Tapping Speed Fast

5m/min10m/min15m/min20m/min30m/min50m/min
Work PieceWork Piece
MaterialFully synchronous feed area Material
SCMSCM
AlloyAlloy
SteelSCrSCrSteel
HighHigh
CarbonS45CS45CCarbon
SteelSteel
S45CHFISP F-SP S45C
MediumHFIHS +SPMedium
CarbonSPCarbon
SteelS30CS30CSteel
S25CS25C
LowLow
CarbonCarbon
SteelSS400SS400Steel

5m/min 10m/min 15m/min 20m/min 30m/min 50m/min

Speedrangebymaterialbeingcut.