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4CRL RPM : rev./min Feed : mm/min

Slotting

Alloy Steels Alloy Steels Hardened Steels Hardened Steels

Material SKD61 / SKD11 SCM440 NAK80 SKD61~SKT4

Hardness 200~250HB 25HRc ~ 35HRc 35HRc ~ 45HRc 45HRc ~ 55HRc

Outside Diameter High Speed General High Speed General High Speed General High Speed General

3mm RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED
4mm
6mm 8,500 820 6,400 490 -- 6,400 440 -- 5,800 360 -- 5,300 240
8mm 6,400 920 4,800 550 -- 4,800 500 -- 4,400 410 -- 4,000 280
10mm 4,200 1,010 3,200 610 -- 3,200 550 -- 2,900 450 -- 2,700 310
12mm 3,200 1,090 2,400 650 -- 2,400 590 -- 2,200 480 -- 2,000 330
2,500 950 1,900 580 -- 1,900 520 -- 1,800 440 -- 1,600 290
2,100 880 1,600 540 -- 1,600 480 -- 1,500 400 -- 1,300 260

Depth of Cut

Side Cutting

Alloy Steels Alloy Steels Hardened Steels Hardened Steels

Material SKD61 / SKD11 SCM440 NAK80 SKD61~SKT4

Hardness 200~250HB 25HRc ~ 35HRc 35HRc ~ 45HRc 45HRc ~ 55HRc

Outside Diameter High Speed General High Speed General High Speed General High Speed General

3mm RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED RPM FEED
4mm
6mm 16,000 1,800 9,600 860 14,000 1,400 9,600 770 12,000 1,100 8,500 610 11,000 860 7,400 460
8mm 12,000 1,900 7,200 920 10,000 1,400 7,200 830 8,800 1,100 6,400 660 8,000 900 5,600 500
10mm 2,200 4,800 1,080 1,700 4,800 970 5,800 1,300 5,100 720 5,300 1,040 3,700 580
12mm 8,000 2,400 3,600 1,150 6,900 1,900 3,600 1,040 4,400 1,400 4,200 750 4,000 1,120 2,800 630
6,000 2,200 2,900 1,070 5,200 1,700 2,900 960 3,500 1,300 2,500 740 3,200 1,030 2,200 570
4,800 2,100 2,400 1,000 4,100 1,600 2,400 900 2,900 1,200 2,100 700 2,700 980 1,900 550
4,000 3,500

0.03D

Depth of Cut 1.0D

Use a highly rigid and accurate machine as possible.
Use the appropriate coolant for the work material and machining shape.
These condions are for general guaidance: in actual machining conditoins adjust the parameters according to your actual machine and
work-piece conditions.
If the rpm available is lower than that recmmended please reduce the feed rate to the same ratio.

233 JJ TOOLS