HSS-EV UNC Blue Ring Spiral Point/Gun Nose Tap - Bright Finish - DIN 371
Spiral Point/Gun Nose -
• HSS-EV Oxidised Finish
• UNC - Unified National Coarse
• Bright Finish
• Taper lead to DIN form B (3.5 x P to 5.5 x P)
• Tapping tolerance to 2B
• Manufactured to DIN 371/376
• For through holes
• Tapping tolerance to 6HX.
| Code | Size - Pitch (mm) | (d2) Shank Diameter |
Square Width | (l1) Overall Length |
(l2) Thread Length |
Number of Flutes |
| SWT1853106B | No.6 x 32 | 4.0 | 3.0 | 56 | 13.0 | 3 |
| SWT1853110B | 1/4" x 28 | 7.0 | 5.5 | 80 | 17.0 | 3 |
| SWT1853111B | 5/16'' x 24 | 8.0 | 6.2 | 90 | 22.0 | 3 |
| SWT1853112B | 3/8'' x 24 | 9.0 | 7.0 | 90 | 22.0 | 3 |
Malaysia
