Thread Dia. D1 | Pitch | Thread Form | Thread Length L2 | Overall Length OAL | Shank Dia D2 | Square Sq | Tapping Drill Dia. |
No.8 | 32 | UNC Unified National Coarse | 8mm | 63mm | 4.5mm | 3.4mm | 3.5mm |
Flute Type: Spiral Flute
Recommended for: Blind Holes
Shank Standard: DIN 371
Type: High speed steel cobalt (HSSE) tap.
Coating: None - Bright finish.
Tapping Materials
Excellent for tapping: Structural Steels; Plain Carbon Steel; Alloy Steels; Nodular Graphite; Long Chip Copper Alloy; Aluminium Si>10%.
Good for tapping: Unalloyed Titanium; Unalloyed Nickel; Unalloyed Copper and All forms of Aluminium