
■ F-SL, spiral fluted tap, through hole use (with LH spiral E Coating flutes) is applicable for such high speed tapping as 15m/ min to 25m/min. Under low tapping speed, chip shape and chip ejection may become poor and cause tapping Recommended Tapping Speeds depending on Materials troubles. Free cutting and Carbon steel and
structural steel low alloy steel TYPE:1 DIN371
IS P IS P
(m/min) (m/min) For icon explanation, refer to P.50
TYPE:2 YAMAWA TYPE:3 DIN376 / DIN374
Segment:1S
| Size | Class | Code | Chamfer | L | ℓ | ℓn | ℓs | Ds | K | ℓk | No. of | Type Stock |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | flutes |
For Metric Threads
M3 0.5 ISO2X LD3.0GBNEV 5P 56 9 18 34 3.5 2.7 6 3 1
M4 0.7 ISO2X LD4.0IBNEV 5P 63 13 21 38 4.5 3.4 6 3 1
M5 0.8 ISO2X LD5.0KBNEV 5P 70 14 25 39 6 4.9 8 3 1
M6 1 ISO2X LY6.0MBNEV 5P 80 15 30 45 6 4.9 8 3 2
M8 1.25 ISO2X LY8.0NBNEV 5P 90 19 35 48 8 6.2 9 3 2
M10 1.5 ISO2X LY010OBNEV 5P 100 23 39 53 10 8 11 3 2
M10 1.25 ISO2X LY010NBNEV 5P 100 19 39 53 10 8 11 3 2
M12 1.75 ISO2X
LG012PBNEV 5P 110 26 - 56 9 7 10 3 3
M12 1.5 ISO2X
LM012OBNEV 5P 100 21 - 51 9 7 10 3 3
M12 1.25 ISO2X
LM012NBNEV 5P 100 21 - 51 9 7 10 3 3