Sfm For Drilling Stainless Steel With Carbide

Hss twist drill recommended speeds and point angles scroll down for recommended feed rates by diameter steels.

Sfm for drilling stainless steel with carbide.

Stainless steel 200 300 series. With carbide drills always check the manufacturers recomendation on what drilling cycle you should run. Start conservatively and increase speed and feed until drilling cycle is optimized. Sfm 0 8 lowest range value.

Feed should be 0 5 x suggested value. Free machining plain carbon steels resulfurized 1212 1213 1215. Coated carbide endmills. Godrill cost effective versatile solid carbide drill.

Feed at suggested value. Sfm 0 8 x highest speed range. Hp drills steel stainless steel cast iron aluminum high temperature alloys. Hp solid carbide deep hole drills.

A magnum super premium drill with its thin web will penetrate the work hardening stainless fast enough to continually cut beneath the chip which is hardening from deformation. Endmill diameter inches. Always use the correct drill size when drilling the hole before you ream it. This means the drill is cutting softer steel.

Sfm and feed for ad between 0 25 to 0 5 of tool dia. Surface speed sfm feed per revolution by drill diameter ipr 1 16 1 8 1 4 1 2 low carbon steel 1018 12l12 1108 1213 120 5374 250 0 0015 0 0030 0 0040 0 0080 5375 5376 low medium carbon. The cobalt drill with its thick web cannot be fed at a fast enough rate to cut beneath the area which is hardening. Flat bottom drills flat bottom applications.

Sfm x 3 82 cutter diameter rpm feed rate rpm x chip load fpt x number of teeth feed rate example. 1 2 4 flute endmill cutting 1018 crs 350 x 3 82 500 2674 rpm 2674 x 002 x 4 21 4 in min fpt feed per tooth material sfm fpt for endmills fpt for hss drill hss carbide hss carbide 1 16 3 4 ø 1018 crs 125 350 001 005 0015 006. Y tech drills difficult to machine materials.