B21H1/00	7	Making articles shaped as bodies of revolution (rolling tubes B21B17/00&#160;-&#160;B21B25/00)	B21H1/00	B21H1/00		236
B21H1/02	8	discs; disc wheels	B21H1/02	B21H1/02		326
B21H1/04	9	with rim, e.g. railways wheels {or pulleys}	B21H1/04	B21H1/04		488
B21H1/06	8	rings of restricted axial length (extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B5/00)	B21H1/06	B21H1/06		1251
B21H1/08	9	railway wheel rims	B21H1/08	B21H1/08		40
B21H1/10	9	rims for pneumatic tyres	B21H1/10	B21H1/10		126
B21H1/12	9	rings for ball or roller bearings	B21H1/12	B21H1/12		314
B21H1/14	8	balls, rollers, cone rollers, or like bodies	B21H1/14	B21H1/14		340
B21H1/16	9	for bearings	B21H1/16	B21H1/16		37
B21H1/18	8	cylinders, e.g. rolled transversely {cross-rolling}	B21H1/18	B21H1/18		493
B21H1/20	9	rolled longitudinally	B21H1/20	B21H1/20		66
B21H1/22	8	characterised by use of rolls having circumferentially varying profile {; Die-rolling}	B21H1/22	B21H1/22		404
B21H3/00	7	Making helical bodies or bodies having parts of helical shape (helical gears B21H5/00; forming tubes or tube walls into helical shape B21D11/06, B21D15/04)	B21H3/00	B21H3/00		239
B21H3/02	8	external screw-threads {; Making dies for thread rolling}	B21H3/02	B21H3/02		473
B21H3/022	9	{combined with rolling splines, ribs, grooves or the like, e.g. using compound dies}	B21H3/02	B21H3/02		125
B21H3/025	9	{Rolling locking screws}	B21H3/02	B21H3/02		105
B21H3/027	9	{Rolling of self-tapping screws}	B21H3/02	B21H3/02		194
B21H3/04	9	Making by means of profiled-rolls {or die rolls}	B21H3/04	B21H3/04		834
B21H3/042	10	{Thread-rolling heads}	B21H3/04	B21H3/04		118
B21H3/044	11	{working axially}	B21H3/04	B21H3/04		105
B21H3/046	11	{working radially}	B21H3/04	B21H3/04		97
B21H3/048	11	{working tangentially}	B21H3/04	B21H3/04		163
B21H3/06	9	Making by means of profiled members other than rolls, e.g. {reciprocating flat dies or} jaws, moved longitudinally or curvilinearly with respect to each other	B21H3/06	B21H3/06		1052
B21H3/065	10	{Planetary thread rolling}	B21H3/06	B21H3/06		129
B21H3/08	8	internal screw-threads	B21H3/08	B21H3/08		247
B21H3/10	8	twist-drills; screw-taps	B21H3/10	B21H3/10		88
B21H3/12	8	articles with helicoidal surface (bending strip or the like helically B21D11/06)	B21H3/12	B21H3/12		88
B21H5/00	7	Making gear wheels {, racks, spline shafts or worms}	B21H5/00	B21H5/00		137
B21H5/005	8	{Worms}	B21H5/00	B21H5/00		67
B21H5/02	8	with cylindrical outline {, e.g. by means of die rolls (worms B21H5/005)}	B21H5/02	B21H5/02		555
B21H5/022	9	{Finishing gear teeth with cylindrical outline, e.g. burnishing}	B21H5/02	B21H5/02		305
B21H5/025	9	{Internally geared wheels}	B21H5/02	B21H5/02		106
B21H5/027	9	{by rolling using reciprocating flat dies, e.g. racks (B21H5/022 takes precedence)}	B21H5/02	B21H5/02		311
B21H5/04	8	bevel gears	B21H5/04	B21H5/04		52
B21H5/045	9	{Finishing bevel gear teeth, e.g. burnishing}	B21H5/04	B21H5/04		38
B21H7/00	7	Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons (nails, pins B21G3/30)	B21H7/00	B21H7/00		314
B21H7/002	8	{Fasteners, rivets}	B21H7/00	B21H7/00		26
B21H7/005	8	{railway sleepers or chains}	B21H7/00	B21H7/00		44
B21H7/007	8	{Taper rolling, e.g. leaf springs}	B21H7/00	B21H7/00		158
B21H7/02	8	spades; shovels	B21H7/02	B21H7/02		18
B21H7/04	8	hoes	B21H7/04	B21H7/04		3
B21H7/06	8	ploughshares; axes	B21H7/06	B21H7/06		23
B21H7/08	8	forks; rakes {spoons}	B21H7/08	B21H7/08		14
B21H7/10	8	knives; sickles; scythes	B21H7/10	B21H7/10		70
B21H7/12	8	horse-shoes; articles of like shape, e.g. wear-resisting attachments for shoes	B21H7/12	B21H7/12		21
B21H7/14	8	knurled articles	B21H7/14	B21H7/14		140
B21H7/16	8	turbine blades; compressor blades; propeller blades	B21H7/16	B21H7/16		134
B21H7/18	8	grooved pins; Rolling grooves, e.g. oil grooves, in articles {(B21H5/00 takes precedence)}	B21H7/18	B21H7/18		81
B21H7/182	9	{Rolling annular grooves}	B21H7/18	B21H7/18		150
B21H7/185	10	{Filet rolling, e.g. of crankshafts}	B21H7/18	B21H7/18		80
B21H7/187	9	{Rolling helical or rectilinear grooves}	B21H7/18	B21H7/18		230
B21H8/00	7	Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects {, e.g. checkered sheets}	B21H8/00	B21H8/00		427
B21H8/005	8	{Embossing sheets or rolls}	B21H8/00	B21H8/00		273
B21H8/02	8	Rolls of special shape	B21H8/02	B21H8/02		120
B21H9/00	7	Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass	B21H9/00	B21H9/00		360
B21H9/02	8	for screw-rolling machines	B21H9/02	B21H9/02		412
