HSS Blue Ring Taps: Spiral Flute - 'Biteless Flat' (BLF) -ISO Metric Coarse, Oxidised
Spiral Flute (BLF) - 'Biteless Flat' ISO Metric Coarse
HSS-EV Oxidised Finish. For shorter blind holes. Taper lead to DIN form C (3 x P). Tapping tolerance to 6H. Manufactured to DIN 371/376.
'Biteless Flat' ISO Metric Coarse
Helix angle 45°.
| Code | Size - Pitch (mm) | (d2) Shank Diameter |
Square Width | (l1) Overall Length |
(l2) Thread Length |
Number of Flutes |
| SWT1853009B | M3 x 0.50 | 3.5 | 2.7 | 56 | 6.0 | 3 |
| SWT1853015B | M4 x 0.70 | 4.5 | 3.4 | 63 | 7.0 | 3 |
| SWT1853018B | M5 x 0.80 | 6.0 | 4.9 | 70 | 8.0 | 3 |
| SWT1853021B | M6 x 1.00 | 6.0 | 4.9 | 80 | 11.0 | 3 |
| SWT1853027B | M8 x 1.25 | 8.0 | 6.2 | 90 | 13.0 | 3 |
| SWT1853030B | M10 x 1.50 | 10.0 | 8.0 | 100 | 15.0 | 3 |
| SWT1853033B | M12 x 1.75 | 9.0 | 7.0 | 110 | 18.0 | 3 |
| SWT1853039B | M16 x 2.00 | 12.0 | 9.0 | 110 | 20.0 | 3 |
