Centre drill (combined drill and countersink) with 60° straight conical form, single ended and cylindrical body, 4.00mm drill diameter, a body diameter of 10.00mm and an overall length of 55mm, according to DIN 333A standard to produce standardized centre holes according DIN 332 part 1 form A, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron More information:  | | Coating name (Grade): | Bright | Surface treatement: | Original surface | Basic standard group (BSG): | DIN 333A | Body material code (BMC): | HSS | Brand Name: | Dormer | Connection diameter - millimeter (DCON MS): | 10 mm | Cutting diameter - inch (DC): | 0.1575 inch | Cutting diameter - millimeter (DC): | 4 mm | Hand (Cutting direction): | Right | Overall length - millimeter (OAL): | 55 mm | Point Angle (SIG): | 118 ° | Step included angle (STA): | 60 ° | Usable length diameter ratio? (ULDR): | 1 XD | Ordering code ISO: | A2004.0X10.0 |
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