HSS-EV UNF Blue Ring Spiral Flute Tap - Bright Finish - DIN 374
4 Variations
Spiral Flute (BLF) - UNF
• HSS-EV Oxidised Finish
• UNF - Unified National Fine
• Bright Finish
• Taper lead to DIN form C (3 x P)
• Tapping tolerance to 6H
• Manufactured to DIN 374
• For shorter blind holes