TMPG_US-EN

AccuThread® T3 Speeds and Feeds | Imperial

Hardness (BHN) 140 - 220 220 - 310 185 - 275 275 - 350 135 - 185 185 - 275 135 - 185

Speed (SFM)

Material

ISO

100

H Hardened Steels

75

Cast Iron

225 200 125 125 500 450 250 500 75

Grey, Ductile, Nodular

K

Wrought Aluminum

30

180

N

Cast Aluminum

30 - 180 30 - 100

Brass

46 | THREAD MILLING REFERENCE GUIDE