100SN0809-5T SE-40068TR HH12X35 Slott mill 160SN0809-8T HH20X40 MSTB (semi-adjustable slot width) MSTB SN1011-T SE-40068TR HH20X40 Coat anti-seize compound thinly on portion of taper and thread when insert is fixed. Recommended cutting conditions Recommended insert grades (Vc: m/min) fz (mm/t) Hardness Workpiece material (HB) PVD Coated carbide Insert thickness (mm) Remarks PR0725 3.5~4.0 4.5~6.0 Low carbon steel SS400S10C ~ S25C 125 170~210 0.07~0.20 0.10~0.22 S30C ~ S58C(Annealed) 190 100~140 0.07~0.20 0.10~0.22 Carbon steel S30C ~ S58C(Heat treated) 250 90~120 0.07~0.20 0.10~0.22 Dry Annealed 180 90~120 0.07~0.20 0.10~0.22 Alloy steel Heat treated 275 80~110 0.05~0.18 0.08~0.20 High carbon alloy SKD11, SKD61, etc. 280 70~ 90 0.05~0.18 0.08~0.20 Austenitic related 220 110~140 0.05~0.18 0.08~0.20 Stainless steel Martensitic related 300 100~120 0.05~0.18 0.08~0.20 Coolant Heat-resistant alloys Ni-base heat-resistant alloys 350 15~ 30 0.05~0.18 0.08~0.20 Titanium alloys Ti-6Al-4V, etc. 270 20~50 0.05~0.18 0.08~0.20 Gray cast iron FC250 ~ FC350 260 110~130 0.07~0.22 0.10~0.25 FCD400 ~ FCD500 160 80~100 0.07~0.22 0.10~0.25 Dry Nodular cast iron FCD600 ~ FCD800 250 70~ 90 0.07~0.22 0.10~0.25 Note: 1. Use down-cut machining. 2. If ap is 1/10 or under of cutter dia.(DC), it is possible to M increase feed per tooth (fz) by 40%. M176 Milling ap DC