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.