HSS-EV UNF Blue Ring Spiral Point/Gun Nose Tap - Bright Finish - DIN 374

Spiral Point/Gun Nose - UNF

• HSS-EV Oxidised Finish
• UNF - Unified National Fine
• Bright Finish
• Taper lead to DIN form B (3.5 x P to 5.5 x P)
• Tapping tolerance to 2B
• Manufactured to DIN 374
• For through holes
• Tapping tolerance to 6HX.