HSS 'Blue Ring' Taps: Spiral Flute (BLF) - UNC, Oxidised
Spiral Flute (BLF) - UNC
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.
UNC - Unified National Coarse Bright Finish
Tapping tolerance to 2B.
| Code | Size - Pitch (mm) | (d2) Shank Diameter |
Square Width | (l1) Overall Length |
(l2) Thread Length |
Number of Flutes |
| SWT1853136B | No.6 x 32 | 4.0 | 3.0 | 56 | 13.0 | 3 |
| SWT1853141B | 1/4" x 20 | 7.0 | 5.5 | 80 | 17.0 | 3 |
| SWT1853143B | 3/8" x 16 | 9.0 | 7.0 | 90 | 20.0 | 3 |
| SWT1853145B | 1/2" x 13 | 9.0 | 7.0 | 110 | 24.0 | 3 |
Malaysia
