Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for ISO-Metric thread M20 with 2.50 mm pitch and 6H class of fit, dimensions according to ISO 529 standard with 14.0mm shank and 11.2mm square drive, powder metallurgical HSS-E with bright finish and 45° helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium More information:  | | Coating name (Grade): | Bright | Surface treatement: | Original surface | Basic standard group (BSG): | ISO 529 | Body material code (BMC): | HSS-E-PM | Brand Name: | Dormer | Clamping width - millimeter (WSC): | 11,2 mm | Connection diameter - millimeter (DCON MS): | 14 mm | Hand (Cutting direction): | Right | Flute helix angle (FHA): | 45 ° | Flute count (NOF): | 4 | Overall length - millimeter (OAL): | 112 mm | Premachined hole diameter - millimeter (PHD): | 17.5 mm | Tap chamfer style (TCS): | C 2 - 3 | Thread diameter size (TDZ): | 20 | Thread form type (THFT): | M - Metric coarse | Thread pitch - millimeter (TP): | 2,5 mm | Thread tolerance class (TCTR): | 6H | Threading length - millimeter (THL): | 29 mm | Usable length diameter ratio? (ULDR): | 2.5 XD | Ordering code ISO: | E002M20 |
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