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BIMETAL HOLE SAW STEEL M3

Bi-metal hole saw with teeth made of HSS M3 high-speed tool steel, body made of alloy spring steel
Designed for processing metals, in particular aluminum and steel, non-ferrous metals, plastics and wood
Adjusted to mounting an adapter for hexagonal or SDS-plus socket
Needs adapter and centering drill
Steel drilling should be made when wet
The alternating number of teeth 4/6TPI allows drilling in materials of different hardness
The hole saw has holes on its side surfaces to facilitate easier removal of the disc remaining after drilling
Drilling depth 38 mm
Packed on a hanger

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Index	Diameter (mm)	Operating speed in steel (rpm)	Operating speed in cast iron (rpm)	Operating speed in brass (rpm)	Operating speed in aluminum (rpm)	Operating speed in wood (rpm)
27514	14	580	400	790	900	800
27516	16	550	365	730	825	760
27519	19	460	300	600	690	680
27520	20	445	290	580	660	640
27522	22	390	260	520	585	560
27524	24	370	245	495	555	520
27525	25	350	235	470	525	500
27527	27	325	215	435	480	500
27529	29	300	200	400	450	450
27530	30	285	190	380	425	430
27532	32	275	180	360	410	410
27535	35	250	165	330	375	370
27538	38	230	150	300	345	330
27540	40	220	145	290	330	310
27544	44	195	130	260	295	250
27546	46	190	125	250	285	230
27548	48	180	120	240	270	210
27551	51	170	115	230	255	200
27554	54	160	105	210	240	190
27557	57	150	100	200	225	185
27560	60	140	95	190	220	180
27564	64	135	90	180	205	180
27567	67	130	85	170	195	170
27568	68	130	85	165	190	165
27570	70	125	80	160	185	160
27573	73	120	80	160	180	155
27583	83	105	70	140	155	140
27592	92	95	60	120	140	125
27595	95	90	60	120	135	120
27602	102	85	55	110	130	100
27605	105	80	55	110	120	100
27621	121	70	45	90	95	85
27627	127	65	40	85	90	85
27640	140	60	35	80	85	80