ZZ HARDMETAL

Type K1

For making cross and X-shaped cemented carbide drill bits

Type	Dimension (mm)
	L		H		S		r	r1	e
	Dim.	Tol.	Dim	Tol.	Dim	Tol.	r	r1	e
K106	6	±0.25	12	±0.35	6	0 ﹣0.6	20	0.5-1.0	0.5
K107	7	±0.25	12	±0.35	6		20		0.5
K108	8	±0.25	12	±0.35	6		20		0.5
K109	9	±0.25	12	±0.35	8		20		1
K110	10	±0.25	12	±0.35	8		20		1
K111	11	±0.35	12	±0.35	8		20		1
K112	12	±0.35	12	±0.35	8		20		1
K113	13	±0.5	12	±0.35	8		20		1
K114	14	±0.5	12	±0.35	8		20		1
K115	15	±0.5	12	±0.35	8		20		1
K115H	15	±0.5	14	±0.5	8		20		1
K116D	16	±0.5	9	±0.35	8		20		1
K116	16	±0.5	14	±0.5	8		20		1
K117	17	±0.5	14	±0.5	8		20		1
K117H	17	±0.5	16	±0.5	10		20		1
K118	18	±0.5	12	±0.35	8		20		1
K119	19	±0.6	14	±0.5	8		22		1
K119H	19	±0.6	16	±0.5	10		22		1
K120	20	±0.6	16	±0.5	10		23		1
K121	21	±0.6	16	±0.5	10		24		1
K122D	22	±0.6	12	±0.35	8		25		1
K122	22	±0.6	16	±0.5	10		25		1
K124	24	±0.6	16	±0.5	10		27		1
K126	26	±0.6	16	±0.5	10		29		1
K128	28	±0.6	16	±0.5	10		31		1
K130	30	±0.8	12	±0.35	8		32		1
K131	31	±0.8	16	±0.5	10		34		1
K133	33	±0.8	12	±0.35	8		36		1
K134	34	±0.8	12	±0.35	10		37		1
K135	35	±1.0	13	±0.35	10		35		1
K136	36	±1.0	16	±0.5	10		39		1
K140	40	±1.0	24	±0.5	13		51		1

Type K20

For making chisel and X-shaped cemented carbide drill bits

Type	Dimension (mm)
	L		H		S		r	r1	e
	Dim.	Tol.	Dim	Dim.	Tol.	Dim	r	r1	e
K2012	12	±0.35	12	±0.35	8	±0.25	16	0.5-1.0	1
K2013	13	±0.4	12	±0.35	8	±0.25	16		1
K2014	14	±0.4	12	±0.35	8	±0.25	17		1
K2015	15	±0.4	12	±0.35	8	±0.25	20		1
K2017	17	±0.4	14	±0.4	8	±0.25	20		1
K2019	19	±0.4	14	±0.4	8	±0.25	22		1
K2020	20	±0.4	16	±0.4	10	±0.25	23		1.5
K2020A	20	±0.4	18	±0.4	10	±0.25	23		1.5
K2022	22	±0.4	16	±0.4	10	±0.25	25		1.5
K2024	24	±0.4	16	±0.4	10	±0.25	27		1.5
K2026	26	±0.5	16	±0.4	10	±0.25	29		1.5
K2028	28	±0.5	16	±0.4	10	±0.25	31		1.5
K2030	30	±0.5	18	±0.4	12	±0.25	35		1.5
K2032	32	±0.5	18	±0.4	12	±0.25	38		2
K2035	35	±0.5	20	±0.4	15	±0.4	45		2
K2041	41	±0.5	22	±0.4	17	±0.4	51		2
K2045	45	±0.5	25	±0.4	19	±0.4	57.5		2
K2053	53	±0.6	25	±0.4	20	±0.4	59		2