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Catalogue Series 7 High Performance End Mills - Long

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SGS Series 7 High Performance End Mills

Series 7 Speed and Feed Recommendations - Fractional

Cutting Diameter


	Material Type	Bhn	1/8		3/16		1/4		5/16		3/8		7/16		1/2		5/8		3/4		1
	Material Type	Bhn	rpm	in/min	rpm	in/min	rpm	in/min	rpm	in/min	rpm	in/min	rpm	in/min	rpm	in/min	rpm	in/min	rpm	in/min	rpm	in/min
	Low Carbon Steels	~175	16,810	33	11,210	39	8,400	39	6,720	39	5,600	39	4,800	39	4,200	39	3,360	39	2,800	39	2,100	35
	Low Carbon Steels	~275	14,670	23	9,780	26	7,330	30	5,870	30	4,890	30	4,190	30	3,670	30	2,930	30	2,440	30	1,830	26
	Med Alloy Steels	~275	12,220	20	8,150	23	6,110	26	4,890	26	4,070	26	3,490	26	3,060	26	2,440	26	2,040	26	1,530	23
	Mold And Die Steels	~275	11,000	16	7,330	20	5,500	23	4,400	23	3,670	23	3,140	23	2,750	23	2,200	23	1,830	23	1,380	20
	Cast Iron - Gray	~200	9,470	23	6,320	26	4,740	26	3,790	26	3,160	26	2,710	26	2,370	26	1,890	23	1,580	23	1,180	20
	Cast Iron - Ductile	~300	8,400	13	5,600	16	4,200	16	3,360	16	2,800	16	2,400	16	2,100	16	1,680	16	1,400	16	1,050	13
	Cast Iron - Malleable	~300	5,200	7	3,460	10	2,600	10	2,080	10	1,730	10	1,480	10	1,300	10	1,040	10	870	10	650	7
	Stainless 300 Series	~275	8,560	10	5,700	13	4,280	16	3,420	16	2,850	16	2,440	16	2,140	16	1,710	16	1,430	16	1,070	13
	Stainless 400 Series		12,220	20	8,150	26	6,110	30	4,890	30	4,070	30	3,490	30	3,060	30	2,440	30	2,040	30	1,530	26
	Stainless Ph Series	~325	7,330	7	4,890	10	3,670	13	2,930	13	2,440	13	2,100	13	1,830	13	1,470	13	1,220	13	920	10
	Titanium Alloys	~295	9,170	16	6,110	20	4,580	23	3,670	23	3,060	23	2,620	23	2,290	23	1,830	23	1,530	23	1,150	20
	High Temp. Alloys	~300	2,440	4	1,630	5	1,220	6	980	6	810	6	700	6	610	6	490	6	410	6	310	5

Rates shown are a starting recommendation for finish milling. Some adjustment may be necessary to obtain optimum results.

Series 7M Speed and Feed Recommendations - Metric

Cutting Diameter


	Material Type	Bhn	3		4		6		8		10		12		16		18		20		25
	Material Type	Bhn	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min	rpm	mm/ min
	Low Carbon Steels	~175	17,790	890	13,340	890	8,900	1,040	6,670	1,040	5,340	1,040	4,450	1,040	3,340	1,040	2,960	1,040	2,670	1,040	2,130	915
	Low Carbon Steels	~275	15,530	635	11,640	635	7,760	785	5,820	785	4,660	785	3,880	785	2,920	785	2,590	785	2,330	785	1,860	635
	Med Alloy Steels	~275	12,940	530	9,700	530	6,470	635	4,850	635	3,880	635	3,230	635	2,430	635	2,160	635	1,940	635	1,550	585
	Mold And Die Steels	~275	11,640	430	8,730	430	5,820	585	4,370	585	3,490	585	2,910	585	2,190	585	1,940	585	1,750	585	1,400	510
	Cast Iron - Gray	~200	10,030	585	7,520	585	5,010	660	3,760	660	3,010	660	2,510	660	1,880	660	1,670	585	1,500	585	1,200	510
	Cast Iron - Ductile	~300	8,900	330	6,670	330	4,450	410	3,330	410	2,670	410	2,220	410	1,670	410	1,480	410	1,330	410	1,070	330
	Cast Iron - Malleable	~300	5,500	180	4,120	180	2,750	250	2,060	250	1,650	250	1,370	250	1,030	250	920	250	820	250	660	180
	Stainless 300 Series	~275	9,060	255	6,790	255	4,530	410	3,400	410	2,720	410	2,260	410	1,700	410	1,510	410	1,360	410	1,090	330
	Stainless 400 Series	~185	12,940	510	9,700	510	6,470	760	4,850	760	3,880	760	3,230	760	2,430	760	2,160	760	1,940	760	1,550	660
	Stainless Ph Series	~325	7,760	180	5,820	180	3,880	330	2,910	330	2,330	330	1,940	330	1,460	330	1,290	330	1,160	330	930	255
	Titanium Alloys	~295	9,700	410	7,280	410	4,850	585	3,640	585	2,910	585	2,430	585	1,820	585	1,620	585	1,460	585	1,160	510
	High Temp. Alloys	~300	2,590	100	1,940	100	1,290	150	970	150	780	150	650	150	490	150	430	150	390	150	310	125

Rates shown are a starting recommendation for finish milling. Some adjustment may be necessary to obtain optimum results.

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