Pre tapping step drill

• For cast steel, cast iron, stainless and inconel
• Special design, new coating for powerful drilling
• Excellent chip removal
• Internal coolant drill is available
Spec & Odering code Dc Lc L2 L1 d1 Application
PTSTD M4x0.7 3.35 7.5 25 66 6 Machine tap
PTSTD M4x0.7 3.35 11 25 66 6 Machine tap
PTSTD M5x0.8 4.25 9.5 25 66 6 Machine tap
PTSTD M5x0.8 4.25 14 25 66 6 Machine tap
PTSTD M6x1.0 5.1 11 38 80 8 Machine tap
PTSTD M6x1.0 5.1 17 38 80 8 Machine tap
PTSTD M8x1.25 6.8 16 43 90 10 Machine tap
PTSTD M8x1.25 6.8 21 43 90 10 Machine tap
PTSTD M10x1.5 8.6 20 50 102 12 Machine tap
PTSTD M10x1.5 8.6 26 50 102 12 Machine tap
PTSTD M12x1.75 10.3 22 55 110 14 Machine tap
PTSTD M12x1.75 10.3 30 55 110 14 Machine tap
Spec & Odering code Dc Lc L2 L1 d1 Application
M4x0.7 3.7 11 25 66 6 Roll tap
M5x0.8 4.6 14 25 66 6 Roll tap
M6x1.0 5.5 17 38 80 8 Roll tap
M8x1.25 7.4 21 43 90 10 Roll tap
M10x1.5 9.2 26 50 102 12 Roll tap
M12x1.75 11.1 30 55 110 14 Roll tap