AL+SP/AL-SP Spiral Fluted Taps for Aluminum

SizeClassCodeChamferBasic major dia (mm)L (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
For Helical Coil Wire Screw Thread Inserts, for Metric Threads
STI M3×0.51bSW3.0G1LEN2.5P3.65527.5172954731
STI M4×0.71bSW4.0I1LEN2.5P4.909601322335.54.5731
STI M5×0.81bSW5.0K1LEN2.5P6.0396215263364.5731
STI M6×11bSW6.0M1LEN2.5P7.2997019-366.25832
STI M8×1.251bSW8.0N1LEN2.5P9.6247523-3875.5832
STI M10×1.51bSW010O1LEN2.5P11.9488226-428.56.5932
STI M10×1.251bSW010N1LEN2.5P11.6248226-428.56.5932
STI M12×1.751bSW012P1LEN2.5P14.2739526-4812.5101332
STI M12×1.51bSW012O1LEN2.5P13.9488826-4510.581132
STI M12×1.251bSW012N1LEN2.5P13.6248826-4510.581132
STI M14×21bSW014Q1LEN2.5P16.59810033-5114111432
STI M14×1.51bSW014O1LEN2.5P15.9489526-4812.5101332
STI M16×21bSW016Q1LEN2.5P18.59810533-5015121543
STI M16×1.51bSW016O1LEN2.5P17.94810033-5114111443
STI M18×2.51bSW018R1LEN2.5P21.24811533-5517131643
STI M18×1.51bSW018O1LEN2.5P19.94810533-5015121543
STI M20×2.51bSW020R1LEN2.5P23.24812039-5519151843
STI M20×1.51bSW020O1LEN2.5P21.94811533-5517131643
STI M22×2.51bSW022R1LEN2.5P25.24812539-5819151843
STI M24×31bSW024S1LEN2.5P27.89713546-6223172043