CDRA - HSS American Standard Centre Drills

HSS Centre Drill Radius Type The special profile of the Radius Type Centre Drill makes it more robust than the standard 60 degree Centre Drill. The Radius eliminates the risk of breakage, it provides an exact bearing and serves as a protective Chamfer..

Use Centre Drills to provide the precision, geometry and protection of the holes to provide improved quality in further maching operations and to optimise your machining performance.

ISO NFE 66051 - R DIN 33 -R JIS-1

Part No.	Description	O/A Length	Shank Dia.	Point Angle	Shank Type	Working Length	Pilot Dia.	Taper In Deg.	Price
CD-#1R	3/64x1/8	31.0	3.170	118	Radius Type	4.0	1.190	60.000	£9.89
CD-#2R	5/64x3/16	47.0	4.760	118	Radius Type	6.0	1.980	60.000	£9.47
CD-#3R	7/64x1/4	50.0	6.350	118	Radius Type	8.0	2.770	60.000	£9.89
CD-#4R	1/8x5/16	54.0	7.930	118	Radius Type	10.0	3.170	60.000	£11.16
CD-#5R	3/16x7/16	70.0	11.110	118	Radius Type	13.0	4.760	60.000	£18.60
CD-#6R	7/32x1/2	76.0	12.700	118	Radius Type	13.0	5.550	60.000	£19.95
CD-#7R	1/4x5/8	82.0	15.870	118	Radius Type	18.0	6.350	60.000	£30.29
CD-#8R	5/16x3/4	89.0	19.050	118	Radius Type	20.0	7.930	60.000	£54.21