Rock Drill T45

钎头-球型截齿 BUTTON BIT - Spherical buttons
直径(mm) Diameter		70	70	76	76	76	76	76	76	76	76	76	76	89	89	89	89	89
截齿数量 No. of buttons		10	10	12	12	11	13	13	14	10	13	13	13	12	14	12	16	14
冲水孔 Flushing hole	side					2	1	1	2	1	1				1		1	1
冲水孔 Flushing hole	centre	3	3	2	2	1	2	2	2	3	4	4	4	2	1	2	4	2
直径(mm) Diameter		89	89	89	89	102	102	102	102	102	102	102	115	115	115	127	127	152
截齿数量 No. of buttons		11	14	13	13	12	12	14	11	14	13	13	14	14	14	14	19	20
冲水孔 Flushing hole	side	1	1					1	1	1			1	1	1		1	1
冲水孔 Flushing hole	centre	3	4	4	4	2	2	4	3	4	4	4	4	4	4	4	3	3
钎头-子弹型截齿 BUTTON BIT - Ballistic buttons
直径(mm) Diameter		70	76	76	76	76	76	89	89	89	89	89	89	102	102	102	115	115	152
截齿数量 No. of buttons		10	13	12	10	13	13	12	14	14	11	14	13	14	13	14	14	14	20
冲水孔 Flushing hole	side		1		1	1			1	1	1	1		1		1	1	1	3
冲水孔 Flushing hole	centre	3	2	2	3	4	4	2	2	2	3	4	4	2	4	4	4	4	3